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Location:
Brisbane
Registered:
October 2004
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1G-GTE in a RA28
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Sun, 10 October 2004 13:24
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Just finished reading the tech artical about sticking the 1G's in the RA Celicas, i've just recently accquired a RA28 celica, however atm the 18RC has a blown head gasket, and it a little tired to say the least... i was pondering all sorts of weird and wonderful engine conversion but then reality kicked in, and i decided to go with something reasonably simple, dad suggested a 1g-gte and it seemed fair enough, by the time i finished reading that article i had a smile from ear to ear... it all seems so simple! i saw in a mag you can pic up the engine for less then 1K, but i'm sure once it's all done you won't get much, if any change from 2K how does the RA28 diff hold up with the 1g-gte?? is the conversion as easy as the article makes out? or is there a hidden catch in there somewhere? i'm sure brakes and the like could do with a freshen up, and the usual stuff... but is there any major work?
btw.. just wanted to tell you that this site rocks... i think it's basically 'cause you wold me what i wanted to hear... but meh... i'm not complaining
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Location:
On your mum!
Registered:
May 2002
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Re: 1G-GTE in a RA28
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Sun, 10 October 2004 13:29
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I would budget 4K (assuming that you will be doing a lot yourself) - allow for wiring, exhaust, radiator hoses, coolant, oil, filters, fuel pump, intercooler throw in some friends and family with talent and their food/drink costs.
Happy motoring
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Location:
Cabramatta, NSW
Registered:
May 2002
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Re: 1G-GTE in a RA28
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Sun, 10 October 2004 23:11
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Yup, it's that simple. Best bang for your buck conversion in an RA Celica.
And Jason's right. Put aside $4k if you're gonna do it yourself.
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: 1G-GTE in a RA28
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Sun, 10 October 2004 23:37
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The Standard diff will hold for day to day driving, but continuous use of the 1g power will kill it very quickly. Thinking along the lines of upgrading the diff. just get a Hilux (G series) made to suit, or an F series made to suit. these seem to have the easyest LSD's to source as you can't get an LSD for the standard diff.
Front brakes will definatly need to be upgraded, have a search around the site but the Hilux caliper, Pug rotor converasion seems to be popular (read easily engineered)
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Registered:
May 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 02:00
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Diff reliability has a lot to do with clutch selection I think, as some poeple here seem to tear them up with very little effort then others last for years. If you have an unsprung 3-puck brass button with a heavy pressure plate don't expect it to last long. but if you can get a sprung full face organic, with an uprated pressure plate It should be OK.
Tim.
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 02:47
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| RA28 wrote on Mon, 11 October 2004 12:00 |
Diff reliability has a lot to do with clutch selection I think, as some poeple here seem to tear them up with very little effort then others last for years. If you have an unsprung 3-puck brass button with a heavy pressure plate don't expect it to last long. but if you can get a sprung full face organic, with an uprated pressure plate It should be OK.
Tim.
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Very true...
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Location:
Brisbane
Registered:
October 2004
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 07:13
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ey there's the rub... 4K is more then i can pocket atm... but meh, i read somewhere that you can pick up a 1g-gte for less then a grand... so i'm presuming about that, + a few hundred for a rebuild... 750 for a g'box, hopefully i can find a engine with necessary wiring loom... fuel system shouldn't be too bad... but yeah my dad is a mechanic... so i guess he'll have to be my new best friend, if i wanna get it done... how hard would it be to get 200ish Kw outta the 1g-gte? and as for the hilux diff, what sort of bucks am i looking at there? 500? or closer to a grand? and how hard are they to stick in? after all that, i guess there'd be a shit load of dough 'cause you've done the whole powertrain... hmmm... now it's all looking more realistic.. i was thinking WOWWIE!!! too good to be true,
anyone know of somewhere i can find up to date prices for the major bits? engine, clutch, g'box and diff?
hopefully i'll be able to save up the necessary dosh, but i'm not gonna hold my breath...
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 07:38
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There is always the under estimation of a conversion cost.
Basically the straight conversion to 1G-GTE you can get the engine for $750 yes...
You'd be better going for an engine package ~$1500 which should be engine/Gearbox/Loom/Computer. If it is a fresh Import it shouldn't need to be rebuilt. (and parts can be tricky and expensive to get.) That gives you the basics. from there you need to modify the Crossmember to fit, wire up the engine, and sort out the fuel and intercooler piping + intercooler & exhaust system.
The otherway is to go for a front cut ~$2500 which will give you all the pissy parts that start to blow out these projects. like intercooler + stuff that can be resold.
A fresh Imported engine should turn in the realm of 130-150 rwkw using factory computer. more than enough for the car.
From there to get it on the road you will minimum need to upgrade the front brakes @ ~$1000-1200 If you search for good prices.
Top get your 200rwkw (I assume you mean 200 at the wheels) you can increase boost up to around 15psi and run an aftermarket computer will put you very close to 200 without touching the engine. from there HKS single turbo kits can be sourced for less than $2000 and will piss in the 200 mark.
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Location:
Brisbane
Registered:
October 2004
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 09:11
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in that article it said that if the engine mounts on the block were in the "mid" position (i think) then there was no need to modify the cross member at all...
here is that article
as for fitting a HKS single turbo kit to crack the 200Kw mark, you gotta be joking right?! 2K just to crack the 200Kw? haha... i musta forgot to mention that this is gonna be done on a budget... for much less then 2K i could achieve the 200... upgrade the standard jobbies, for starters... i'm planning on using a few ideas of my own to get power... experimental stuff... backyard warrior... you know... besides i want something that will be competitive with the brand name jap cars, not join them... keep it as far away from main stream as i can... i know, i know... 2L twin turbo in a celica... but well... 'least i can stay away from a high lag, WOOOSSSHHH jap box...
anyone know of forged pistons for these engines?
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Location:
Rocky Mountains, Canada
Registered:
May 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 10:57
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Im also going to be doing this in the next few months with my RA28.
If i were to use a TA23 xmember and a 1G front sump, does any one know what i would need to do with engine mounts?
I assume they then wouldnt bolt up like the RAxx xmembers do?
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 11:42
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Have a good think about all the extras involved in the conversion, It stacks up really quickly.
As for power, mine is a pretty much standard Gen3 (and standard 1G intercooler) running 16psi. It makes 150rwkw (about 200 at the flywheel).
A better cooler will get some increase, other than that ecu and turbo upgrades are necessary.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 12:05
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Oh and run 15psi of boost and short of GTR, there won't be too many cars that will keep up with it.
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Location:
Brisbane
Registered:
October 2004
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 12:07
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M.W.P - reeeaaaallllyyy??? well... i'd love to hear more about that one... would be VERY interesting to learn from what you do... and again i understood that you didn't need to modify/replace the from crossmember? but i presume that you understand differently? and i'm a tad surprised to find that the ra28 is more like the ra60 then the ta23... when it comes to engine bay anyway.. ta23 and ra28 look fairly similar, to the untrained eye perhaps.. oh well..
gold28 - gen3?? surely you don't mean the holden item... what exactly are you refering to?
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Location:
Cabramatta, NSW
Registered:
May 2002
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 12:37
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*snicker* 
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Location:
Brisbane
Registered:
October 2004
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 12:57
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fair enough... so the gen3 has more boost? is there any real physical difference? or is it more or less just that? to be more specific, is the only difference between the ver1, 2 and 3 just the differences listed there??? or is there more to it?
AND CAN SOMEONE CONFIRM THE CROSSMEMBER MODIFICATION? does it acctually need modifying for the 1g? if so, how much?
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 13:09
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no modification.
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Location:
Rocky Mountains, Canada
Registered:
May 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 13:56
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| hickoz_bro wrote on Mon, 11 October 2004 21:37 |
M.W.P - reeeaaaallllyyy??? well... i'd love to hear more about that one... would be VERY interesting to learn from what you do... and again i understood that you didn't need to modify/replace the from crossmember? but i presume that you understand differently? and i'm a tad surprised to find that the ra28 is more like the ra60 then the ta23... when it comes to engine bay anyway.. ta23 and ra28 look fairly similar, to the untrained eye perhaps.. oh well..
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Erm, im not sure what your saying/asking here.
The RA28 doesnt look much like a TA23 at all... car has a completely different rear.
Putting the 1G into any RAxx car is pretty much the same.
A TA23 uses a different xmember which is why im asking about it.
I want to find out how far off the 1G engine mounts are when using a TA23 xmember in an RA28.
This is because it would be nice to use a TA23 xmember so i can look at doing a steering rack conversion later on.
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Registered:
May 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 13:57
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no mod to the crossmember, the engine will bolt to the 18R mounts, but you need the engine mounts from a 1GGE NA motor, as I think all the turbo motors came with the cast mounts, in the "front" position on the engine. The NA motors had mounts bent out steel plate. It's stupid things like this that start adding to the conversion.
Tim.
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Location:
Cabramatta, NSW
Registered:
May 2002
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Re: 1G-GTE in a RA28
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Mon, 11 October 2004 23:03
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| hickoz_bro wrote on Mon, 11 October 2004 22:57 |
fair enough... so the gen3 has more boost? is there any real physical difference? or is it more or less just that? to be more specific, is the only difference between the ver1, 2 and 3 just the differences listed there??? or is there more to it?
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Do a search on these forums, it's been covered many times before.
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Location:
Northwestern Sydney
Registered:
August 2002
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Location:
Brisbane
Registered:
October 2004
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Re: 1G-GTE in a RA28
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Tue, 12 October 2004 08:09
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M.W.P - nah, the rear end is nothing alike, but the fronts are very similar, i know the running gear is completely different, but i thought perhaps they'd share most of the same suspension components, brakes etc... i understand that the interior (dash) is quite similar as well... if not exactly the same, i could be wrong i'm not the most knowledgable on this topic. i'd really like to hear how your progress goes with your project, at this stage it appears that i won't have money to do it, i kinda thought (hoped) that it would be a sub 3K conversion, from what i read it all seemed so simple, but oh well... if i save up a few bucks i might just be able to have it up and running before say..... 2050, will just stick with the original donk for now, clean it up, and make it LOOK decent... work on making it GO decent later... you'll hear from me later i'm bound to be looking for parts, until then... over and out
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