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Location:
Brisbane
Registered:
February 2005
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1jz into ra28 weight issues
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Mon, 09 May 2005 07:43
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i have used the search option... but couldnt find if anybody has actually come up with a solution or 'best your gonna get' with the weight distribution issue when putting a 1jz into an ra28.
any help appreciated.
Cheers,
BennyG
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Location:
On your mum!
Registered:
May 2002
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 07:55
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I know of 2 people who have done the 1J conversion into TA23 (I no of no 1J>28 though) Celicas - One such person is chucklandwher (spell?), he frequents these forums.
You could try and ask him if he weighed teh car end for end.
Apart from that, you haven't really asked a question.
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 08:30
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well i used the search function to find out about putting a 1jz into an ra28 and it came up with the issue of a large weight bias towards the front of the car. i was wondering if anybody knew of possible solutions to removing weight from the front of the car and adding to the rear as to even out the weight distribution?
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 08:32
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battery relocation, fibreglass bonnet, lightened front bumper, upgraded diff....
all of which will require engineering of course 
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 08:48
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will require engineering for the conversion anyway so thats not too much of a worry
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 09:09
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depoending on how rich you are, a 2-core alloy radiator + slimline thermo will also drop a decent amount of weight off
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 11:18
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how much is one of these units, supplied only, can install myself.
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 11:21
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yes, you could install yourself if you can manage to fab up some brackets (not hard).
price? $500+ 
you never mentioned if you were on a budget - 1j into ra28 and looking to lighten it will be expensive.
possibly better off spending your money on good brakes and suspension
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 11:41
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of course im on a budget, everyones on a budget, but ill budget in one of those if it is much of a weight save.. how much weight will it save?
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 12:20
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another thing, should i use the gearbox that comes with the half cut? if not, what gearbox should i use?
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Location:
Sunshine Coast
Registered:
July 2004
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 12:26
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You will have to most definetly do a 5 stud conversion along with atleast cresida brakes and booster, custom cross members for box n motor plus engine mounts, mount a 1j dash cluster would love to see the taco windin high revs on i it hehe.. as for weight, maybe spare wheels in the back lol i do it in mine cos my springs are a bit short (bout 4 inches long in the back  XR6 too lol) and my stock shocks are fucked so the wheels stop the bounce being brutal.. if weight turns out to be that much of an issue, just have the tank full ALL the time..
peace
wes
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 12:33
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| Wezelton wrote on Mon, 09 May 2005 22:26 |
mount a 1j dash cluster would love to see the taco windin high revs on i it hehe.. wes
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what do you mean by that? whats the red line on one of these?
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Location:
Brisbane
Registered:
April 2003
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Location:
Northwestern Sydney
Registered:
August 2002
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Re: 1jz into ra28 weight issues
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Mon, 09 May 2005 23:53
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Use lighter weight brake components. I recall seeing a weight comparison between the Pug/Hilux upgrade vs the 300ZX caliper there was a saving in the calipers of a few kg's. Not much but it all helps. other than that what has been mentioned above.
or stroke a 1G and bolt on single turbo.
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Location:
Canberra
Registered:
May 2002
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Re: 1jz into ra28 weight issues
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Tue, 10 May 2005 07:03
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Benny G, a couple of weight facts for you.
My 1G-GTE RA28 Auto topped out at 1205 kilograms, the weight split was 49% rear 51% front.
My 1JZ-GTE RA23 Manual tipped the scales at 1140 kilograms, the weight split was 43% rear, and 57% front.
Did I hear someone say "Lead Tipped Arrow", well how about "Depleted Uranium Tipped Ballistic Missile"
Straight line fanflamintasic.
Corners, let us just say that had I kept the RA23, I would have been forced to fit a set of coilovers.
cheers Chuck.
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Location:
Brisbane
Registered:
February 2005
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Re: 1jz into ra28 weight issues
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Tue, 10 May 2005 08:13
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so with that i calculate i have to re-position 75 kg worth of gear from the front half of the car to the rear half to get 50:50, or close to, to get something reasonable. not easy, but not impossible. can mix between lightening as much as i can up front along with sub install etc in the rear, along with moving battery etc to boot and putting an in tank surge tank and pump... to remove that weight from up front.
cheers,
bennyg
ps. anyone know what sort of money is decent for a 1jz half cut? and what i expect to pay for an ra28 with a straight body and that bout it?
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Registered:
November 2002
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Re: 1jz into ra28 weight issues
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Thu, 07 July 2005 23:08
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I have a 1J in a RA28... Ford 9-inch helps with the weight distro... Never have done a weight front to back compare... Also half cage would help I suppose....
I could keep up with an exige at wakefield through the twisty bits....
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