Splatsc300

need some help.. looking for someone with experience that wouldnt mind alot of questions concerning turboing a 98 sc300. I've already read lex luthors novel.. I private messaged him no answer yet. was wondering if there was anyone else that could help..
Thanks

email: splat25rs@aol.com
AM: splat25rs

newyorksc

are you doing a swap or na-t

Splatsc300

I'll be going na-t

verylost

I can't help you with specifics since I don't have a sc300, but you may want to talk to the is300 guys. In particular, www.is300.net. supraforums might have some handy info for you too.

Besides lex luthor, I can't recall anyyone else on this forum putting a turbo on a late model sc300.

Splatsc300

Yea I've been all over supraforums not really much... kinda feels like I'm gonna be blind folded

Verge

wouldn't it be the same as turboing the is300 ?


there are tons of turbokits for the is

aliga

iTrader: (147)

there is a guy on supraforums, his name is cortvik, he went na-t on a 98 supra a while back.,

SPORTcoupe

iTrader: (2)

I hope Cort doesn't mind, but here are a few pics he sent me of the aftermath of turboing a VVT-i engine:

Snapped Rod


The Piston has left the building


Rod made itself an exit hole as well


The VVT-i main rods are absolutely pathetic comared to the pre-VVT-i monsters.
While the pre-98 rods could support 800 rwhp, the VVT-i rods couldn't hold 350.
Your best bet is to do a swap.

~Alan

aliga

iTrader: (147)

ouch.
ouch.
ouch.

DaveH

You definitely need to keep the boost level/HP low with the VVTi engine.

The good thing is that the non-vvti rods fit right in (if you don't mind tearing the engine apart).

SupraCoup3

Good to see you over here Dave

Yeah, the VVTi rods are weak -- Jon C. (Lex Luthor) ended up going with a 2JZ-GTE Shortblock (bottom end) to solve his problems.

Ethan Banks (Ebanks) bought Jon's car, and had a post not too long ago in the NA section on SF to the same effect.

I'd save yourself a the agrivation and get the GTE bottom end... then you get oil squirters too (for what they're worth )


On the flipside, Dave certainly knows that the GE bottom end is enough for nines, so take your pick!

If it was my car, I'd go with a GTE bottom end and at the same time, upgrade my headgasket to something thicker (3 MM maybe?).


JT

Splatsc300

I thought Lex's motor blew up cause of bad tunning??? I'll check out on supraforums for cortvik... I'm not looking for big numbers just something to get by... Do IS300 guys blow there motors alot?? All I ever see posted is big numbers some on stock internals...

Splatsc300

just a thought anyone know of any 98 99 JDM Soarer or Chaser motors ffor sale???

Ebanks

Save yourself the headaches and just swap in a TT shortblock... Don't mess around with the VVT-i bottom end.

I don't think Jon will reply to your PM because since he sold the car he is rarely, if ever, on this forum.

Good luck with your project!

-Ethan

Splatsc300

I'm not sure... So I've been reading on the IS300 boards and it seems they are making great numbers.. of course there are the few that blew there motors but it doesnt state if it was motor or tuning.. it just seems like people are trying to use basic piggyback devices such as AFC and AFR to control fuel on these OBD2 cars, when the stock ECU just reacts and adjusts accordingly to get back to 14:1 air/fuel. Running these cars too lean is the big problem.

What do you guys think of that?? maybe I should have a poll of how long my motor will last