4a crankshaft questions

[aus_86]

hey guy

i was just checking some stuff out on you tube, 4agze builds. was a guy that said he used a 20v vvti crankshaft in his 4agze(didnt state weather it was a late model or what).

im looking at getting the most out of the gze as possible. everyone says turbo is the way to go. true but i thought this would be a great build ready for a awsome gte!!

so my question is, is a 20v vvti crankshaft lighter than a ze crankshaft(AE101)? would i come across anny problems using the ze block and spool rods and forged pistons?

cheers guy thanks for the help!!

[jdm86gtz]

Cranks from 86/87-00 are all the same regardless of valve count or induction

[Skylar]

[aus_86]

well that just wont do. a tomei crank is ike 4G US(think).

what have people done to there motors to make them more responsive?

i have cams, lightened crank pulley, lightened flywheel. going to get AFM rods and pistons. spoke to a machinest and they dont think they will be able to do a lot for me.

[Todd]

quad throttles, head work (porting polishing etc), lighter pullies, obviously intake filters and stuff like that too.
theres heaps you can do.

[aus_86]

slight change from thread topic but what the best inlet-manifold for the 4agze? STD=crap! what would be the best for power and throttle response. quads or custom manifold with NA TB as it 10mm bigger.

[Skylar]

Get a small diameter twin plate with auto flexplate. Amazing response but chops gearboxes into pieces a lot easier than your normal lightened flywheel with heavy duty/button clutch.

[Skylar]

Fuck all that work. Just bolt on a (big'ish) turbo and run it straight into the supercharger inlet.

Inlet restriction is still there but makes power from idle to redline... without dying up top.

[aus_86]

i want to get this monster driving and then get a t28/disco potato on after as i have already bought brand new extractors. would like to see the differences.

im confused about the auto flex plate part! what do you mean by flexplate, when you say that i think of automatic flexplate. if we are on the same page then how do i dolt the clutch to it?

[Skylar]

Yeah, auto flexplate. Sorta like this:

except you just sandwich a strengthened flexplate in the middle of it. Go look in VA61DETT's build thread on toymods where he built like 3 flywheels using a puny tripple plate because they, and everything else driveline related, kept breaking.

That one above is a 7.25" below is a 5.5". The whole clutch is about the size of your hand. Super low polar moment of inertia and quick rev up (and down). Carbon as a friction material is real nice, easier and more impact absorbing than a metal friction material.


Oh, and T28 is probably a little small to be feeding the charger. Not saying it won't work, but you can go bigger without detriment.