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HQ sedan 80km RPM

brandon wilson

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Joined
Dec 8, 2019
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Age
30
Location
broadford
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hq sedan
Currently running a worked 253. solid cam. pistons. heads. rockers ect with trimatic shift kitted box with 3000 stall. In the rear end I have a shortend VL diff with 3.9 gears with 265/50-15 tryes. At 80 im currently sitting at 3000rpm.is this normal? Just wondering if I was to get 3.45 diff gears if it would make much of a difference as I want to be able to cruise at 100? and would I have to bring the stall down to 2500?
What are you guys running with a 253 and trimatic?
 
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