sixsick6

Inefficient design for an overzelous goal is the biggest factor. You'll no doubt get 300~350 but 400 hp would be pushing that turbo for all it's worth and is more than potential for disaster given the right circumstance/lack of proper tuning. Don't forget that forced induction has you on a dyno with little of the same effect that the ambient air would give your intercooler if you were driving on the highway at the same speed. Before you go hoping on and going for broke, check what this retard did:

http://www.1320video.com/vids/12.28RedRumDyno.wmv

He was running a PTESCM60 at 35+ psi. Not a big deal you don't trhink right? Untill you get into the details:
http://www.precisionturbo.net/turboc...tegory_id=3024

My bet is that they are rebuilt using TO4E or TO4B wheels. An example would be the SCM-4431E which has a 2.295" exducer and a 2.290" inducer giving it a 60 trim. Conveniently, that is the same size TO4E 60 trim.

The SCM-6027E has a 3.000" exducer and a 2.320" inducer. How convenient is it that the 60-1 has a 3.000" exducer and a 2.320" inducer as well?

Also interesting to note is that PTE uses a T3 stage 2 and 3 in their turbos.
2.122" minor 2.559" major for the T3 stage 2 and 2.229" minor and 2.559" major for the Stage 3. Both turbines are smaller than the standard T4 turbine or the O through Q trim.





My point is that with either of those turbos, they max out at a 2.8 Pr (roughly 26 psi) so it's not hard to see why the engine blew.

The truly sad part is that none of those guys at the dyno shop took the time to figure out what was really happenign and why.

Ghetto/hack tuning at it's finest.

Big difference here:

http://www.centralfloridaturbo.com/v...morosonopi.wmv

Toysrme

That's exactly what we got McElligott is running. A 40mm Tail gate with a 14.7psi spring.
He's wanting to run 21psi, but I think I'm gonna build him a Megasquirt-II, or he's gonna find a hell of a deal on an AEM before hand.

hotrex

well ----, so am i 20-24 psi is still within the borgs max pr range though correct?

im pretty sure this motor will survive just fine. its built like a brick shithouse, i guess the only answer is to strap her on and she what she makes. ill limit myself to 20 psi then to stay within the pr range of this badboy. if im ot happy, ill just guy a gt35r

sixsick6

Yeah 20-24 psi will send you right through the middle of the map and should be a happy medium between too much boost/too much heat and not enough turbo.

Reddy

Are you serious? Your reccomending a GT42 for 400hp on a B16, thats just insanely crazy. And the T-series are only around $400 less than the GT42's.

hotrex

yeah 24 psi is the max ill run thru this thing. ill just tune the ---- out of it and hope for the best.

BoosTedZSix

ill buy it for 30 bucks , GT42 for 400whp, LMAO!

sixsick6

When did I say that? I said 400 hp and beyond. It's far better to have to have too much turbo and be conservative than too much turbo that falls out of efficiency near your goal and pushing nothing but hot air at high boost regardless of your intercooler and tuning. If he were to go above 400 hp, he wouldn't be the first, won't be the last, and most likely won't do it with the GM8. Granted the GT42 and the like are rated much much much much higher, but if you're planning on breaking any sort of records, you're gonna need a serious turbo to do it.

ososlohatch

his reasoning to why that motor blew is becouse it free rev'ed

J-SMITH69

sixsick what do you think about the gm8 on my all stock 5.0HO motor