Which Turbo Should I Get [merged] What Turbo

[Ludachris]

Which turbo will be sufficient for consistent 11 second times? I've recently decided on a big 16g, but will that be big enough to run 11s with supporting mods and decent tuning? Remember, this is for a budget street car, so any one purchase over $1k is tough. A big 16g will run about $700-900, which is about $300-400 less than the larger alternatives.

Of course, I'll need lots of practice to run these times, but, I just want to make sure that it's possible before the money is spent.

 

[DGajre777]

How in the hell can you debate between a 50 trim and a 3575?

"Hello, I was wondering if should keep the T25 or if I should run a T70. Thanks!"

If you don't want the spend more money on FPs o2 housing for the 3575 and want use a DSM style o2 housing, then get the BB 57trim.

The total $ ends up being more with the FP3575. If money is not a concern, then 3575 or 3065 or 3052 hands down, no debate about it.

Custom 2.5" SS O2 Housing for FP30 Turbo $250.00
TiAl 44mm vband Wastegate $369.00

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[Spooling99]

Thanks for all the quick replys.

I really love the FP turbos but I dont like the 450$ O2 housing. Spool isn't that big of a deal, I know that im going BB. Maybe even a PTE BB 60 trim. Im gonna use FP2 cams as well, and probably tune with DSMlink.

 

[andymoraitis]

If you don't want the spend more money on FPs o2 housing for the 3575 and want use a DSM style o2 housing, then get the BB 57trim.

Bingo. BB 57 trim will do just fine for your goals. I have a non BB 50 trim on a 2.3 and it's plenty powerful, but a 57 will give you that extra flow that'll make hitting your marks even easier.

I love FP products and think they're simply the best, but I can't afford them at the moment. FYI, if you're building a stroker, get their FP3 stroker cam. I have Comp 200's and they slow the spool somewhat although they have plenty of top end pull.

Good luck!

Andy

 

[Spooling99]

I knew you'd find this Andy. Thanks I'll definatley take a look at those cams. Im thinking that the PTE 57trim BB will let me hit my goals.

 

[Steve93Talon]

Im thinking that the PTE 57trim BB will let me hit my goals.

A stock 7 bolt and a 20g will "hit your goals". Anything else is overkill, so pick which method of overkill you prefer and knock yourself out.

 

[andymoraitis]

I think you'll like it Adam. I have some minor spool issues with the non BB 50 trim, but that's more likely because I haven't picked up adjustable cam gears and advanced the intake cam to reduce the spool and bring on a bit more low end. I'm seeing max boost at something like 4200-4300 which is about 400 RPM higher than I'd like. I think a good cam will make all the difference and degreeing them is an even better idea. Nevertheless, my top end is insane.

Since we're going to handle your tune with an EPROM ECU, you'll benefit from the fact that Jeff and I are trying a few tactics within the fuel maps to get the turbo to come online more quickly. You'll see quick spool with a BB, but maybe we can get it even lower. With forged internals, high boost and low timing, you should able to meet your goals rather easily.

 

[Spooling99]

Thats great to hear Andy. Id love to see full spool by 3200 with this setup .

 

[andymoraitis]

Thats great to hear Andy. Id love to see full spool by 3200 with this setup .

Let's not get nuts man! I'll let you know what the spool reduction is on my setup and we'll be able to make some basic inferences about yours as a result. I never saw 3200 on my 16G on stock cams. How I wish!

 

[autronicDSM]

I think you'll like it Adam. I have some minor spool issues with the non BB 50 trim, but that's more likely because I haven't picked up adjustable cam gears and advanced the intake cam to reduce the spool and bring on a bit more low end. I'm seeing max boost at something like 4200-4300 which is about 400 RPM higher than I'd like. I think a good cam will make all the difference and degreeing them is an even better idea. Nevertheless, my top end is insane.

Since we're going to handle your tune with an EPROM ECU, you'll benefit from the fact that Jeff and I are trying a few tactics within the fuel maps to get the turbo to come online more quickly. You'll see quick spool with a BB, but maybe we can get it even lower. With forged internals, high boost and low timing, you should able to meet your goals rather easily.

Why would you want to run less timing? Run as much timing as you can to make most torque. That's what you feel when you step on the gas. Who cares if it spools 200rpm sooner, it will run like a turd off boost.

 

[92awddsm]

I think you'll like it Adam. I have some minor spool issues with the non BB 50 trim, but that's more likely because I haven't picked up adjustable cam gears and advanced the intake cam to reduce the spool and bring on a bit more low end. I'm seeing max boost at something like 4200-4300 which is about 400 RPM higher than I'd like. I think a good cam will make all the difference and degreeing them is an even better idea. Nevertheless, my top end is insane.

Since we're going to handle your tune with an EPROM ECU, you'll benefit from the fact that Jeff and I are trying a few tactics within the fuel maps to get the turbo to come online more quickly. You'll see quick spool with a BB, but maybe we can get it even lower. With forged internals, high boost and low timing, you should able to meet your goals rather easily.

Off topic but I would like some info on this eprom you speek of and a few tips for my next eprom order from jeff. PM me if you get a chance so we can talk about it.

On topic, If you havent ordered the cams yet, go with the fp3's, not the 2's. No price difference but you will be happier in the long run with the stroker. As far as the turbo, the 50 trim will net you your 400whp without a problem as long as the tuning is on par. The 57 trim will make your goal easier with less tuning effort but ultimately is larger than you need for your goals. Just for shits and giggles, why are you going with a 2.3 with only a 400 hp goal?

 

[Spooling99]

I always want that extra little room to expand so I figured why not go with the stroker, Great off boost torque and good spool. Later on down the road this might turn into a weekend only drag car. I just like to think in advance.

I also looked at those cams and I'll be going with the FP3's thanks guys.

 

[andymoraitis]

Why would you want to run less timing? Run as much timing as you can to make most torque. That's what you feel when you step on the gas. Who cares if it spools 200rpm sooner, it will run like a turd off boost.

Less total timing advance equals more boost on pump gas. I'm not talking about low timing in the midrange, just less up top. I spoke to a few shops about what kind of advance to run on a stroker at high boost and all of them recommended 12-14 degrees. I'm also running a 2100 clutch on a stroker and adding more timing will eat it that much faster.

 

[andymoraitis]

Off topic but I would like some info on this eprom you speek of and a few tips for my next eprom order from jeff. PM me if you get a chance so we can talk about it.

PM sent!

 

[autronicDSM]

Less total timing advance equals more boost on pump gas. I'm not talking about low timing in the midrange, just less up top. I spoke to a few shops about what kind of advance to run on a stroker at high boost and all of them recommended 12-14 degrees. I'm also running a 2100 clutch on a stroker and adding more timing will eat it that much faster.

Ooops, I thought I've read that you were going to retard timing to help it spool but I don't see it now.

 

[andymoraitis]

We actually did try that on one chip. It was awful. The loss of torque was more apparent than any gain in spool. You were absolutely right that it felt like a turd!

 

[Spooling99]

Andy,
When you had your stroker kit installed did you have the shop balance your rotating assembly? Do you suggest I have a shop do it instead of doing it myself?

 

[Spooling99]

Do you guys think that a TO4E housing is to small for a 60-1 or would it be more wise to get the TO4S cover?

 

[92awddsm]

Do you guys think that a TO4E housing is to small for a 60-1 or would it be more wise to get the TO4S cover?

The to4e cover works fine on the 60-1. The s cover can make more power but it isnt going to be a noticable difference.

 

[Spooling99]

Thanks 92awddsm. How do you like your 5252? what boost do you run. Hows the power through the powerband?

 

[92awddsm]

Thanks 92awddsm. How do you like your 5252? what boost do you run. Hows the power through the powerband?

I am very happy with it. I run 25-26psi on pump gas(93 octane) and see full boost by 4400 at the latest. It pulls very hard from then to about 8-8200 rpm. I had the car on the dyno over a year ago and it made 377awhp at 25psi and with a leaking turbo xs rfl. I have since made some changes(Tial bov being one of them) and have not had a chance to dyno the car again. Seat of the pants and 1/4 mile mph shows that I have found some more power since the dyno.

 

[Spooling99]

Thats great to hear. Hopefully with some tuning this will take me beyond my goal of 11.9 haha.

 

[9D7GST05]

My old set up was PTE 50 trim with 660's , 264/272's, full 3inch exhaust w dump, s-afc, 255 walboro, stage 1 block and head 6 bolt from buschur, and fmic and made 315 on 19psi with a bad ecu, it kept dropping the number 3 cylinder which later got to lean and melted the front of the piston. Now, im just getting a stock 6 bolt and have all the same items but want to know what cams and turbo to go with. I liked the 264/272's but wanted to know if the FP 1 cam's are better? And as far as turbo's go these are my options.....

SCM-4431E (60 Trim with stage 3 turbine wheel)

SCM-5252E (60-1 with stage 5 turbine wheel)

SCM-6031E (60-1 with stage 3 turbine wheel)

SCM-6152E (ONE BAD TURBO with a stage 5 turbine wheel)

all of these are the 360 Race Center Section (internal gated)

 

[brute]

What are you planning to do? Daily driver? Road race? Autocross? Track machine?

And with turbos like that, I'd suggest a pair of FP2's. They're similar to the 272's. Or you could just buy a new 272 intake cam, and you'll have a pair of 272's. I'd also suggest an external wastegate.

 

[GVR4592]

Any of those turbo's, except the SCM4431 would be a good choice, it just depends on how much lag you're willing to deal with. The SCM4431 is almost identical to a 50 trim in terms of flow, it just spools slower and is less efficient.

 

[DGajre777]

Any one of those turbos and FP2 cams.