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Roman's 4GR V6 Carina discussion thread


Roman

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Yeah, a few people have mentioned there's a rare manual version. 

Definitely dont want a big clunker dual mass in there. 

I'd like to be able to use my J160 boxes, but then if I could sell 3 J160s and get one box that bolts straight up... Maybe worth it! 

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Thoughts on clutch options? guessing for your power level needs you won't need anything too aggressive

Any plans to keep the DI and then also run port injection? or just going port injection as its easier.

Im tipping with a decent intake and exhaust your looking 200kw, maybe a little more with some cams/headwork/aggressive timing

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The IS250's AY6/RA62 transmission

https://www.ebay.com.au/itm/264496988179

https://en.wikipedia.org/wiki/Aisin_AY_transmission

Isn't the J160 also an Aisin box? I'd say it has more aftermarket support as well currently if you can make it work with the engine

Re ITB if you could sync both tps couldn't you join the signal and divide it by 2 and then have the output go to both DBW controllers?

Possibly oversimplifying this

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That box looks way different, bit bigger as well I think. Likely R series like R154 sorta thing.
J160 might be a little on the fragile side, but hooning rpm through it rather than a big torque bomb should help in that regard.
Although interesting to see that the start motor is indeed on the engine side on that box.

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12 minutes ago, Roman said:

That box looks way different, bit bigger as well I think. Likely R series like R154 sorta thing.
J160 might be a little on the fragile side, but hooning rpm through it rather than a big torque bomb should help in that regard.
Although interesting to see that the start motor is indeed on the engine side on that box.

Its meant to be based off a truck motor so possibly similar to the R150 etc range but a newer design

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9 hours ago, dabuzz said:

As always  -I love your builds - but its really about time you Turbo'd something mate

Will hopefully get back to Dad's soarer at some point. But it's hard to help out when it's a few hours drive away now. 
That should be decently grunty. 

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20 hours ago, GARDRB said:

If 1mz Flywheel is the way to go a 1uz flywheel may work?

Dunno, does 1UZ and 1MZ have the same PCD?

I think I'm going to need to keep the geometry of the Altezza flywheel in order to make everything work with least potential hassle. 

Have been looking into the idea of using CNC machine to redrill the flywheel bolts on the Toda altezza flywheel I've got. 
3S PCD is 70mm, 4GR is 85mm. 

Which from the front looks like it would work. But on the back face of the light flywheel it's only got a 90mm mounting surface.
It could potentially "work" but not keen to buzzsaw my legs off at high rpm if I can help it.

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