Thread: Pulley combos
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Old 10-01-2023, 04:42 PM   #20
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 4,195
Quote:
Originally Posted by Nimair.ZL1 View Post
Anyone run a 2.40 upper with a 9.60 lower and have a ported blower? I know the combo is pretty aggressive for stock blower. Was wondering if anyone has the belt size for the particular combo as well.
9.60/2.40 at 6800 = 27,200 blower speed which is too high. Try to stay below 23,000.
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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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