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R32 Ls1 Conversion

BezerkR32

By BezerkR32,
in Motorsport Builds

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BezerkR32 Veteran

BezerkR32

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D2 rear brakes arrived today, was originally going the G4s but Darron at just jap

suggested that the D2 were a little bit easier on the eye, otherwise the same, also had these in stock.

accidently sent me the rears instead of the fronts, but i reckon he was just ensuring i would buy both sets lol.

darron was excellent, cant fault just jap service.

BezerkR32 Veteran

BezerkR32

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weights of engine & transmissions have been talked about alot in this thread, but today i weighed a few components thanks too 'Victory' bringing a set of scales in.

we worked out a few weeks ago that a stock standard LS2 weighs 90kg. That was with standard cast iron exhaust manifolds.

The tremec 6 speed complete with shifter, slave cylinder & release bearing weighed 62kg.

unfortunately i didnt weigh the old clutch & flywheel assy, but should have saved a couple of kilos there as the old 12" clutch was massive with the cast flywheel. Know running the steel flywheel with 10.5" clutch.

For a comparison we weighed a RB20 5 speed. It weighed 39kg minus shifter. Ill weigh the clutch and flywheel assy tomorro. So i reckon a rb25 turbo box would weigh around the 50-55kg mark. so i think i may be giving 10-15kg away in transmission weight but be ahead 50-60 in the engine department. i have a rb25de in the shop to weigh once we figure out how to do it without breaking the scales. might have to use some scales from the butcher or fruit shop lol.

Gary from superior suspension also weighed the stock springs which came up around 6kg each. the new coilover springs weigh 900grams. thats 20kg. but the new disks are heavy so i will be giving some weight back. ill weigh the old & new rotors 2morro.

its a bit of a juggling act but hopefully it has lost and gained weight in the right places.

3D Sports Sedans have a minimum weight of 1125kg, but there is no minimum weight for super sprints so hopefully im under and can add and remove weight when necessary.

BezerkR32 Veteran

BezerkR32

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weighed rear gtst against gtr alloy stub axles today and there was 3kg difference each side. but probably give that back in drive shaft weight.

also 12kg difference in gtr to gtst bonnets. i thought that was huge.

didnt get a chance to weigh other stuff but will post when i do.

Duncan Grand Master

Duncan

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boot mate....wieght those up it will make your eyes water.

I thought exactly the same thing about the new brakes and suspension gear....it is heavier :) but should be worth the trade off.

and yes purple is easier on the eyes....thats why I stole the new d2 calipers and replaced the g4s on the stagea...then put the g4s on the race car rofl. they all bolt on the same adapters and are interchangeable.

what are you doing with the handbrake? looks like the d2 rears don't have the handbrake. are you going to tap in a hydraulic one or just not bother.

handbrake doesn't really matter on an n/a race car (you can turn it off and leave it in gear) but in a turbo car you need a handbrake to hold it if you want to leave it running to cool the turbs down.

BezerkR32 Veteran

BezerkR32

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yeh rotors are definately heavier, 8.6kg each. rears incorporate handbrake drum into the hat so no probs there.

Callipers wouldnt be much different. also save 5kg a corner with the coilovers, so most of should even out.

cant wair to weigh the whole thing finished so i actually know where i stand with it.

boot mate....wieght those up it will make your eyes water.

I thought exactly the same thing about the new brakes and suspension gear....it is heavier :P but should be worth the trade off.

and yes purple is easier on the eyes....thats why I stole the new d2 calipers and replaced the g4s on the stagea...then put the g4s on the race car rofl. they all bolt on the same adapters and are interchangeable.

what are you doing with the handbrake? looks like the d2 rears don't have the handbrake. are you going to tap in a hydraulic one or just not bother.

handbrake doesn't really matter on an n/a race car (you can turn it off and leave it in gear) but in a turbo car you need a handbrake to hold it if you want to leave it running to cool the turbs down.

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