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BeckyD @ James Martin Chevy

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Old 10-03-2022, 08:26 PM   #15
laynlo15's Avatar
Drives: 2022 Lt1 A10
Join Date: Nov 2015
Location: clark, mo
Posts: 8,060
You know I forgot to mention those red seats, they are the best looking that GM puts in the Camaro. For sure 6 psi is just an ittsy bittsy tiny weenie amount of boost. You'll want more later, we are never happy with just a little PSI. Ask my wife.
2022 Lt1 6.2 A10, Maggie 2300, toohighpsi Port Inj/10 rib, Rotofab, E85, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.86@142 1.46 60ft, 6.38@112-16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119, 16 C7 Corvette 10.90@128 1.56 60ft.
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Old 10-03-2022, 10:09 PM   #16
Drives: Chevrolet Camaro LT1
Join Date: Sep 2022
Location: Alberta
Posts: 207
Originally Posted by arpad_m View Post
Yeah, that mighty 2650 is half asleep at 6.5 psi

With that said, this isn't actually too conservative for an LT1 with the stock fuel system and bottom end, the max safe boost on my lowly 2300 is around 7-7.5 psi, your bigger blower is less of a restriction, so 6.5 figures (not sure about the default pulley size for the 2650, I assume it's the same as with the 2300).
It's hard to measure the exact working diameter of the pulley on my car, as its forward-facing flange is not flat, but domed, and there are mounting bolts in the way of measuring. But as I try to measure it, it appears to have a working diameter just under 4.5 inches.

Jim G
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