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Location:
Newcastle
Registered:
August 2003
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JZA80 with 3sgte???
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Thu, 17 February 2005 01:48
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The jap-GT's opted for a 3sgte in their JZA80's (before some switched to 1UZ), I think so they could run mor eboost under regulation.
What would a 3sgte JZA80 on the street perform like compared to one with a 2JZ?
It'd get serious whooped ay?
Wonder with the weight reduction what it would weigh? Anyone edumacated wanna take an approximate stab???????
Anyone by chance know some detailed specs on the JZA80's in the jap-GT's (3s and 1uz), as in what weight and power and engine mods (basic list as I am sure they wouldnt give out secrets)?
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Location:
Baulko Hillo
Registered:
April 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 01:51
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| no_tofu_speed wrote on Thu, 17 February 2005 12:48 |
What would a 3sgte JZA80 on the street perform like compared to one with a 2JZ?
It'd get serious whooped ay??
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Not if the 3S has 600hp and the 2J has 300hp.....
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Location:
Newcastle
Registered:
August 2003
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 02:00
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Obviously haha!
But I mean, like hmmm
same amount of copious dollars put towards either engine, you'd still get more out of a 2jz wouldnt u?
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Location:
Brisbane
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 02:02
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3L turbo vs 2L turbo... what do you think?
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 02:28
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The 2JZ would be much nicer to drive on the street. With the same $'s spent, it will munch the 3S. That, and you didn't have to spend $ on the 3SGTE conversion in the first place.
You're right with the JGTC rules though, they were allowed to run more boost with the 3SGTE, which meant they could make the same overall power but with less weight and a better weight distribution.
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Location:
Sydney
Registered:
September 2003
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 03:46
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i believe that top secret in japan did something along these lines not positive on it though, but it does ring a bell.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 03:48
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Yep, Top Secret made a wide-body Supra modelled after the JGTC car.
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 04:02
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^^^^
and goddamn it was soooo tough 
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Location:
Melbourne
Registered:
December 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 04:20
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hahah the engine looks tiny in the supra bay.
some 3sgte tuners have made 900HP!!!
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On Probation
Location:
Hobart
Registered:
December 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 10:00
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looking at that pic shouldn't it b a GT-200 hence 2L rather then GT300 or is it 300kw ? that is y it is GT300 ? wats the deal ?
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I Supported Toymods
Location:
Lwr Templestowe, Melbourne
Registered:
August 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 13:15
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Meh.. I read somewhere that the Top Secret Supra was for sale...
US$110,000 or something around that..
Start saving!! 
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 14:12
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oh man
I just bleww my load in my pants
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 14:13
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Unfortunately the 3S in that car above is not your standard run of the mill 3S. The block and head were manufactured by some company in the US and the head has completely different port designs, so the manifolds wont fit a Gen 1, 2 or 3 
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I supported Toymods
Location:
Brisbane
Registered:
September 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 15:00
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that's a huuuuuuge ass, but such a tiny engine! That photo makes it look smaller than a 4a or so, I'm entertained.
Also, I thought some guys were running the 4.3 litre V8 now? Or is that in a different group (I'm not really into it, just bits and pieces I've heard)
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Location:
Perth
Registered:
June 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 15:18
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| Cool1 wrote on Thu, 17 February 2005 22:13 |
Unfortunately the 3S in that car above is not your standard run of the mill 3S. The block and head were manufactured by some company in the US and the head has completely different port designs, so the manifolds wont fit a Gen 1, 2 or 3
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I'm pretty sure the block and head are genuine original Toyota.
http://www.topsecretjpn.com/gt300.shtml
The car also has 637Nm of torque at 7800rpm.
Interestingly, the car uses a 6 speed box. Very nice. Wish I could have one!
Gabe
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Location:
Brisbane
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 15:31
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The JGTC Supras now run a 5 litre V8 loosely based on the 3UZ-FE. The JGTC regulations changed and it is now more advantageous to run a big atmo engine instead of a small turbo engine.
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I supported Toymods
Location:
Adelaide
Registered:
July 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 15:43
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| gabe wrote on Fri, 18 February 2005 01:48 |
The car also has 637Nm of torque at 7800rpm.
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mmmmmm now thats tasty 
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 21:11
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| gabe wrote on Fri, 18 February 2005 01:18 |
I'm pretty sure the block and head are genuine original Toyota.
Gabe
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I was too.
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Location:
c'town, NSW
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 22:32
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| Cool1 wrote on Fri, 18 February 2005 01:13 |
Unfortunately the 3S in that car above is not your standard run of the mill 3S. The block and head were manufactured by some company in the US and the head has completely different port designs, so the manifolds wont fit a Gen 1, 2 or 3
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cool1 is teh c0rrect, this 3S is not a factory toyota item.
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Location:
sydney
Registered:
June 2004
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Re: JZA80 with 3sgte???
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Thu, 17 February 2005 22:58
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| Norbie wrote on Thu, 17 February 2005 13:02 |
3L turbo vs 2L turbo... what do you think?
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they will be going backwards eg...
GA 70 vs MA 70
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:05
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| Cool1 wrote on Fri, 18 February 2005 05:11 |
| gabe wrote on Fri, 18 February 2005 01:18 |
I'm pretty sure the block and head are genuine original Toyota.
Gabe
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I was too.
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Where did you get your information from then? This is the first out of all the articles about this car that someone had said this. For sure the race cars used custom blocks, but I didn't know this aftermarket one did.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:05
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| TRD_Supra wrote on Thu, 17 February 2005 18:00 |
looking at that pic shouldn't it b a GT-200 hence 2L rather then GT300 or is it 300kw ? that is y it is GT300 ? wats the deal ?
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Oh, and that I don't quite get, the Supras race in the GT500 category 
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I supported Toymods
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Location:
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:16
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| justcallmefrank wrote on Fri, 18 February 2005 10:05 |
| Cool1 wrote on Fri, 18 February 2005 05:11 |
| gabe wrote on Fri, 18 February 2005 01:18 |
I'm pretty sure the block and head are genuine original Toyota.
Gabe
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I was too.
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Where did you get your information from then? This is the first out of all the articles about this car that someone had said this. For sure the race cars used custom blocks, but I didn't know this aftermarket one did.
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There was a thread about this a few years ago on here. I think I posted the details of the company that makes the blocks and heads.
From memory I tried getting Jap Motorsport to find me an inlet manifold off one of these cars and then they found out the manifold would not fit the production engines. They supplied me with the info of the company and I then rang them. Or something like that.
But then what would I know. I dont even own a 3S apparently.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:18
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Also what would make you think it is a factory engine? Do you think they would be winding out up to 900HP from an engine that has its ribs ground away on one side?
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I supported Toymods
Location:
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Registered:
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:20
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| Cool1 wrote on Fri, 18 February 2005 08:16 |
| justcallmefrank wrote on Fri, 18 February 2005 10:05 |
| Cool1 wrote on Fri, 18 February 2005 05:11 |
| gabe wrote on Fri, 18 February 2005 01:18 |
I'm pretty sure the block and head are genuine original Toyota.
Gabe
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I was too.
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Where did you get your information from then? This is the first out of all the articles about this car that someone had said this. For sure the race cars used custom blocks, but I didn't know this aftermarket one did.
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There was a thread about this a few years ago on here. I think I posted the details of the company that makes the blocks and heads.
From memory I tried getting Jap Motorsport to find me an inlet manifold off one of these cars and then they found out the manifold would not fit the production engines. They supplied me with the info of the company and I then rang them. Or something like that.
But then what would I know. I dont even own a 3S apparently.
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I remember a thread saying the racing cars use a racing block, but this is the first I've seen of the Top Secret car. Are you sure you don't have the two confused.
When you say "the manifold off one of these cars", what do you mean "these cars?". There IS only one of them, it's NOT one of the race cars, its a road-going replica.
What was the point of the 3S comment? Just because I own a 1G, doesn't mean I profess to know all about them 
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:22
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What would make me think it is a factory engine, is everything I've read about THIS PARTICULAR car says it was. It only makes 720PS too.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:23
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The car is a copy of the race car yeah? Well I would be confident in saying it would use the same engine.
And the comment about the 3S was because I DO own one and I KNOW that the 3S-GTEs have the ribs ground away on the inlet side of the block.
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I supported Toymods
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Perth
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:28
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Yeah, it's not actually a race car, it's just a sort-of copy. I still don't know how you can assume that link that they use the racing block.
This particular bit isn't having a go, but what do you mean about grinding the ribs away on the block? Is this a standard 3S thing, or something the race cars have or what?
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:30
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If you check Top Secret's website:
http://www.topsecretjpn.com/gt300.shtml
They make no reference to using a racing block, they have modified the engine to make it actually 2.2l, and use a different turbo to the race cars.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:32
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3S-GTEs have some of the ribs on the block ground away to allow fitment of the transfer case. Grinding away the ribs on an engine block is a sure way of removing some of its strength.
See the top section of this page: http://members.iinet.net.au/~shanej/3S-GTE.RWD.EMC G/
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:35
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| justcallmefrank wrote on Fri, 18 February 2005 10:30 |
If you check Top Secret's website:
http://www.topsecretjpn.com/gt300.shtml
They make no reference to using a racing block, they have modified the engine to make it actually 2.2l, and use a different turbo to the race cars.
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Your right it doesnt say anything about using a race block. But it also doesnt say its a factory engine out of x car.
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Location:
Baulko Hillo
Registered:
April 2004
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:37
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| Cool1 wrote on Fri, 18 February 2005 11:35 |
| justcallmefrank wrote on Fri, 18 February 2005 10:30 |
If you check Top Secret's website:
http://www.topsecretjpn.com/gt300.shtml
They make no reference to using a racing block, they have modified the engine to make it actually 2.2l, and use a different turbo to the race cars.
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Your right it doesnt say anything about using a race block. But it also doesnt say its a factory engine out of x car.
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I think that's a stupid assumption.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:37
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This is true, suppose there is only one way to find that out, time to do some research
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:38
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Although I would've thought that'd be a fairly important modification, it would be highly likely the block would cost more than most of those mods.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Fri, 18 February 2005 00:41
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| AE86slut wrote on Fri, 18 February 2005 10:37 |
| Cool1 wrote on Fri, 18 February 2005 11:35 |
| justcallmefrank wrote on Fri, 18 February 2005 10:30 |
If you check Top Secret's website:
http://www.topsecretjpn.com/gt300.shtml
They make no reference to using a racing block, they have modified the engine to make it actually 2.2l, and use a different turbo to the race cars.
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Your right it doesnt say anything about using a race block. But it also doesnt say its a factory engine out of x car.
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I think that's a stupid assumption.
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Maybe to you.
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Location:
qld
Registered:
December 2003
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Re: JZA80 with 3sgte???
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Sat, 19 February 2005 06:10
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transfer case? so specifically youre talking about engine's from 4wd celica's? what about sw20 motors? in any case i've seen quite a few articles on various japanese cars running 3s's that make over 700 hp using the production block, ive read mention that bore flex becomes an issue past this point. although its not clear in those photo's, the race version of the 3s has an extra water inlet/oulet that runs the lenght of the exhaust side of the head which i have not noted seeing in any of the pictures ive seen of the top secret gt300 supra. also the cam covers on the engine in the top secret car look production to me.
thats just what i can infer from looking at the fotos. and thats about as close as im going to get.
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I supported Toymods
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Re: JZA80 with 3sgte???
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Sat, 19 February 2005 06:39
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I believe the MR2 still has the rib ground away to allow the box to sit on the back of the block for the passenger side drive shaft.
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Toymods Vice President
Location:
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Re: JZA80 with 3sgte???
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Sun, 20 February 2005 02:19
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The MR2 3S does have the rib removed that is removed on the GT4. There is no good reson for this and I am assuming thatt he block is actually cast this way as it does seem to have more metal in that area in general.
The engine used by the actual racers that were "JZA80's with 3S-GTE's" was the 503e. This is the race engine origonally designed for lemans etc and used in canam and a lot of other racing by Toyota. The 503e is what the 3S is based on but the parts are not interchangable.
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