C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

retarding timing

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Old Sep 29, 2004 | 11:06 AM
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From: Hewitt TX
Default retarding timing

I have been running a 100 shot of n20 for alonf time now without having to retard the timing but I am ready to jump it up to a 125 shot will I need to retard the timing if so how do I do it?
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Old Sep 29, 2004 | 11:35 AM
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I use a Nitrous Mastermind, but if you have an aftermarket ignition, you could use a timing retard box triggered off your actuation switch maybe.
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Old Oct 6, 2004 | 03:38 AM
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From: Lahaina Hi
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I used a 3 stage retard box from msd for a while but I did not trust it.

Try an Lt4 knock sensor cheap
I switched to a **** retard that I retard from inside the car 4 degrees using a 125 shot ,Your big problem will be the rear end not holding up so watch it.
I changed the regulator to an aeromotive at 40 psi and turn on the juice just about 3/4 of the way through 1st gear.
at 42.5 psi and 1000 psi bottle temp the car runs low 11s but you will break alot of parts.
keep fuel presure at 40.
I have 315/17 nitto drag radials at 17 lbs.
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