Is this turbo to big
Is this turbo to big Im in the process of building and piecing together turbo kit. Im having a 383 stroker ls1 built. The turbo I wanna use is a precision PT88. Iv heard its a good size and iv heard its to big, what do yall think?
It is not too big for your application. How much power can your 383 handle, what are your plans with the car? A 76 or 78 will be more fun on the street, instant spool. The PT88 is a great turbo that can make north of 900 horsepower without breaking a sweat.
Im looking for 600-650 at under 10psi for the street and I will also be running meth. Its getting callies H-beam rods and weisco pistons with steal top rings and arp 2000's all the way around. the shop building it says it can hold 20 psi but i dont plan on running no more than 15-17. i also plan on running race gas on high boost
Im looking for 600-650 at under 10psi for the street and I will also be running meth. Its getting callies H-beam rods and weisco pistons with steal top rings and arp 2000's all the way around. the shop building it says it can hold 20 psi but i dont plan on running no more than 15-17. i also plan on running race gas on high boost
Good enough. If anything, I'd say that turbo is slightly undersized for the 383. Mostly on the exhaust side. I'm getting ready to upgrade my exhaust to a T6 1.00 to see if it gives me a little more up top.
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The Precesion 76GTS (7675CEA) is also a good option. It has a ton of power under the curve compared to the 88 and is only shy by 100 or so at peak power of booth with that power being max effort.
But go with the PT88 now and look into a T6 exhaust side. Also there are some really good 88mm turbo's out there right now from BW and FI not just precision.
If you want I can pm you the name of a really good turbo site that has lots of different options. I am thinking of ordering one of their 76mm compressor side 82-85mm turbine side T6 1.10 A.R. Real Street legal units. They say it can make 1500hp without using a billet wheel.
