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Forced Induction - V8 V8 Supercharger, turbo, nitrous discussions

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Old 08-29-2013, 06:11 PM   #26
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Quote:
Originally Posted by SSE 4 2SS View Post
9.7:1 for pump gas at 12 lbs on the street with 97 octane... With 429 CI, this is good for right at 900 RWHP

Racing we bump the boost to 25 lbs and run C16 race fuel... in the tank and to mix with the nitrous...With the 429 CI, this makes for a hell of a lot more power....
Unless you have HUGEEE turbos I think your 12psi 900rwhp estimate might be a little too optimistic?
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Old 08-29-2013, 06:30 PM   #27
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He does have huge turbos, everything about his car is insane.
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Old 08-29-2013, 06:48 PM   #28
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Originally Posted by ayousef View Post
Unless you have HUGEEE turbos I think your 12psi 900rwhp estimate might be a little too optimistic?
And its not an estimate. Its proven. Check out his build thread.

sent from my galaxy s3. that would explain the errors.
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Old 08-29-2013, 06:55 PM   #29
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Quote:
Originally Posted by ayousef View Post
Unless you have HUGEEE turbos I think your 12psi 900rwhp estimate might be a little too optimistic?
True

You decide... Here's a few pics of the turbos and the intercooler... I've included pics of my old turbos for a side by side comparison... Note the size of the intercooler in relationship to the frame horns... In addition to the 5 inch thickness, We had to clearance the core support to fit it in... We were over 800 rwhp with the old turbos and the bad inefficiency due to the turbos overspinning to make the boost... They were fine for a 376 CI engine, but much too small for a 429 CI engine... We mount these on custom hand made turbo manifolds... and those are 3.5 inch down pipes... That's our fabricator in the pic from the front looking at the turbos... He is a clown... but a damn fine fabricator and welder...

New turbos... X2

PTE's PT7675 Turbocharger features the following:
• Exclusive CEA® (Competition Engineered Aerodynamics) compressor wheel machined from a 2618-aluminum forging
• Higher efficiency and faster transient response for maximum power and performance
• 76mm inducer compressor wheel
• Compressor cover options:
- "H" compressor cover 4.0" inlet/3.00" outlet
- "Ported H" compressor cover 4.0" inlet/3.00" outlet
• 75mm, 84 trim turbine wheel
• Turbine housing options:
- T4 Tangential .96 A/R with 3 5/8" V-Band discharge
• Air-cooled, dual ceramic ball-bearing center housing rotating assembly (CHRA)

Thi is v6 or v7 of this car and this build... We find the weak links by breaking something and fix it then press on...
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Old 08-29-2013, 07:08 PM   #30
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Sorry..
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Old 08-29-2013, 07:21 PM   #31
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Quote:
Originally Posted by SSE 4 2SS View Post
True

You decide... Here's a few pics of the turbos and the intercooler... I've included pics of my old turbos for a side by side comparison... Note the size of the intercooler in relationship to the frame horns... In addition to the 5 inch thickness, We had to clearance the core support to fit it in... We were over 800 rwhp with the old turbos and the bad inefficiency due to the turbos overspinning to make the boost... They were fine for a 376 CI engine, but much too small for a 429 CI engine... We mount these on custom hand made turbo manifolds... and those are 3.5 inch down pipes... That's our fabricator in the pic from the front looking at the turbos... He is a clown... but a damn fine fabricator and welder...

New turbos... X2

PTE's PT7675 Turbocharger features the following:
• Exclusive CEA® (Competition Engineered Aerodynamics) compressor wheel machined from a 2618-aluminum forging
• Higher efficiency and faster transient response for maximum power and performance
• 76mm inducer compressor wheel
• Compressor cover options:
- "H" compressor cover 4.0" inlet/3.00" outlet
- "Ported H" compressor cover 4.0" inlet/3.00" outlet
• 75mm, 84 trim turbine wheel
• Turbine housing options:
- T4 Tangential .96 A/R with 3 5/8" V-Band discharge
• Air-cooled, dual ceramic ball-bearing center housing rotating assembly (CHRA)

Thi is v6 or v7 of this car and this build... We find the weak links by breaking something and fix it then press on...

any data on the compressor and turbine housings on the 6766 units?????? you're the only one i know that ran them on a 5th gen.
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Old 08-30-2013, 12:37 AM   #32
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any data on the compressor and turbine housings on the 6766 units?????? you're the only one i know that ran them on a 5th gen.
He might be able to PIECE something together and let you know how they blew up, er I mean worked
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Old 08-30-2013, 01:29 AM   #33
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He might be able to PIECE something together and let you know how they blew up, er I mean worked
ahh, Bull needs to give me a swift kick in the rear..... I told him several days (week) ago that I would find out what I could about the characteristics of my old turbos... and I forgot... ADD kicking in...

I sent Corey an Email so I wouldn't forget again... We'll get the info to him...
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Old 08-30-2013, 07:16 AM   #34
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Look at those turbos . Have you guys decided to put a nano on for your juice yet?
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Old 08-30-2013, 12:11 PM   #35
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Look at those turbos . Have you guys decided to put a nano on for your juice yet?
Nope, we may not even run juice... Depends on how the boost and current fuel pump system works out...
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Old 08-30-2013, 03:39 PM   #36
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I run 10.8-1 on the Vette and stock compression on my Camaro. They are both centrifical blowers.

Pretty sure turbo's like lower compression. My builder has a 427ls with a big turbo at 10-1 compression. With 18lbs boost,93 octain and methanol he runs high 7's at 175mph in his street car.
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Old 08-31-2013, 12:35 AM   #37
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Quote:
Originally Posted by quincy speeder View Post
I run 10.8-1 on the Vette and stock compression on my Camaro. They are both centrifical blowers.

Pretty sure turbo's like lower compression. My builder has a 427ls with a big turbo at 10-1 compression. With 18lbs boost,93 octain and methanol he runs high 7's at 175mph in his street car.
Nice...
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Old 08-31-2013, 12:53 PM   #38
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9.25:1 here. 1040RWHP with 18psi and 93 octane. No meth.
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Old 09-06-2013, 10:46 PM   #39
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o man, am i gonna be the winner here?

10.7:1

E85+meth
10.9 here. Pump gas and meth. Stock cubes with forged rotating assembly. 14psi
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