best turbo for a mellow torque curve on a CA18det??? POLL

[float_6969]

DE pistons aren't 9.5:1. they're 10:1.

My pistons are basically a DE piston crown on a DET piston from CP. They were custom, but they have them on file now and I can get them whenever.

And yes, 10:1 compression + boost if fine on this motor, just be aware that you are going to need very high octane fuel.

[Logan76]

hell im soon to be running 10.4:1 CR with boost, but i wont gay this thread up with honda garbage.

[ca18detgabby]

DE pistons aren't 9.5:1. they're 10:1.

My pistons are basically a DE piston crown on a DET piston from CP. They were custom, but they have them on file now and I can get them whenever.

And yes, 10:1 compression + boost if fine on this motor, just be aware that you are going to need very high octane fuel.

according to the FAQ hey are 9.5:1

ive read it a bunch of times........ less sean was wrong?

[ca18detgabby]

hell im soon to be running 10.4:1 CR with boost, but i wont gay this thread up with honda garbage.

sorry I said honda first....... i is sorry.

[Logan76]

Lol its okay, everyone knows im a ricer with a junky Honda.

[float_6969]

I'm pretty sure it's wrong, but I can't verify it for 100% sure. The problem MAY be that the JDM RWD CA18DE didn't get the same compression as the USDM FWD CA18DE did.

I'd love to see a FSM for a pulsar. That would certainly settle it.

But simply looking at the amount of dome that my piston has, makes me think it's closer to 10:1.

[r34 gtr]

Damn Julian, I had no idea my state was so well endowed with E85 fillup points. I might have to go get one of those flexfuel sensors sooner than I thought! I drive past several of those places on my way to and from school/home. Unfortunately there are no stations where I live (either place) just a bunch half way. I would probably only ever get to enjoy it on the interstate.

The tune would cost a lot then I assume, what with having to create two completely different maps and all. Still, sounds like an awesome way to get me a buttload of power.

[float_6969]

No, just one map. The sensor would add a correction factor to the primary map.

[ca18detgabby]

Damn Julian, I had no idea my state was so well endowed with E85 fillup points. I might have to go get one of those flexfuel sensors sooner than I thought! I drive past several of those places on my way to and from school/home. Unfortunately there are no stations where I live (either place) just a bunch half way. I would probably only ever get to enjoy it on the interstate.

The tune would cost a lot then I assume, what with having to create two completely different maps and all. Still, sounds like an awesome way to get me a buttload of power.

buttload of boost............ similar power.

[Logan76]

Any of you guys consider meth/water injection? Help you out alot if your running high compression + boost.

[The_Chosen_One]

Any of you guys consider meth/water injection? Help you out alot if your running high compression + boost.

[Logan76]

LMFAO! that cat is hilarious!

Hey chosen one, I got a few quick ?'s for ya aboot powdercoating bro.

[The_Chosen_One]

Fire away.

[ser20det]

buttload of boost............ similar power.

And what about engine response ?

Any of you guys consider meth/water injection? Help you out alot if your running high compression + boost.

Sure, this is on my plan

[The_Chosen_One]

And what about engine response ?

Sure, this is on my plan

[Logan76]

whats your turn around like? I chemically stripped the whole cover today because I have to get some Tig welding done and the paint couldnt be on there anymore, so its down to bare bones. will that speed up the process any?

[The_Chosen_One]

whats your turn around like? I chemically stripped the whole cover today because I have to get some Tig welding done and the paint couldnt be on there anymore, so its down to bare bones. will that speed up the process any?

[Cams]

Just wondering, and don't take my comment wrong because Im not sure if it is a good idea at all, mixing the following items would achieve a responsive engine with 300whp like the OP wants?

- Forged CP pistons with 9.0:1 compression- Mild head work camshaft + adjustable sprockets. Maybe just the DE exhaust camshaft trick. - GT2860RS with .48 AR (listed on ATPTurbo)- and a good tune for 18-20psi

At least this is what I would like to do. But I don't know if it would take me near 300whp, specially without having to change to higher octane fuel.

[The_Chosen_One]

Just wondering, and don't take my comment wrong because Im not sure if it is a good idea at all, mixing the following items would achieve a responsive engine with 300whp like the OP wants?

- Forged CP pistons with 9.0:1 compression- Mild head work camshaft + adjustable sprockets. Maybe just the DE exhaust camshaft trick. - GT2860RS with .48 AR (listed on ATPTurbo)- and a good tune for 18-20psi

At least this is what I would like to do. But I don't know if it would take me near 300whp, specially without having to change to higher octane fuel.

[r34 gtr]

Ahaha the raccoon is funny as hell.

Cams, sure, why not. I would want a bigger AR though. Why not get the .64? I know they have it.

[Cams]

They list 48, 63, 64, 72, 82 and 86 A/R. I thought it was something like the smaller the A/R the earlier it it will spool but will lower the max boost pressure it can flow, and viceversa. Again, thinking on engine responsiveness at low/mid rpms.

Sorry I only understand like 15% of the dynamics behind a Turbo. Something like: No boost -> lag -> boost ->

Btw, why would they list 63 and 64 options?

[mbmbmb23]

They list 48, 63, 64, 72, 82 and 86 A/R. I thought it was something like the smaller the A/R the earlier it it will spool but will lower the max boost pressure it can flow, and viceversa. Again, thinking on engine responsiveness at low/mid rpms.

Sorry I only understand like 15% of the dynamics behind a Turbo. Something like: No boost -> lag -> boost ->

Btw, why would they list 63 and 64 options?

I think .64 is found on T2 and .63 is found on T3 turbos.

[boost_boy]

I'm pretty sure it's wrong, but I can't verify it for 100% sure. The problem MAY be that the JDM RWD CA18DE didn't get the same compression as the USDM FWD CA18DE did.

I'd love to see a FSM for a pulsar. That would certainly settle it.

But simply looking at the amount of dome that my piston has, makes me think it's closer to 10:1.

USDM ca16 and ca18 got 10:1 compression ratio. JDM ca18de'sgot the 9.5:1 ratio, but had better fuel maps.

Dee

[The_Chosen_One]

[quote=""Boost Boy""]USDM ca16 and ca18 got 10:1 compression ratio. JDM ca18de'sgot the 9.5:1 ratio, but had better fuel maps.Dee

[/quote]