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Old 03-13-2021, 11:55 AM   #12
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 4,195
Quote:
Originally Posted by Dan82679 View Post
I have a ported blower stock pulley.
How much additional power did it make?

I'm having mine ported in the next few weeks but the car will have the whole shebang - custom valve train, 103mm, 2.4 Griptec, low side FP, 10% lower pulley, LT, HF cats, 104 UL tune. How much more power would you guess?
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO.
15" conversion, MT ET Street R 325/15.
100 octane: 1045hp/1055tq.
100 octane + Meth (1x10+): 1117 hp/1067 tq
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