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View Full Version : Need help with C4 problem



Flaming87lx
03-30-2008, 12:53 AM
I just put in a C4 (nothing special, stock valve body) w/3500 converter. The problem I'm having is, when I floor it in first, it goes ahead and shifts to second almost immediately and I still have the shifter in first. It stays in first fine unless I floor it. I did'nt do anything with the detent lever, but I've ran C4's before and never had it hooked up. Any ideas on how to fix it? Thanks Troy:confused:

Flaming87lx
03-30-2008, 12:55 AM
I did hook vacuum to the Modulator valve to the intake instead of carb, is that a problem?

transman
03-30-2008, 09:12 AM
did the transmissions in the past have manuel v/b

Flaming87lx
03-30-2008, 09:17 AM
yes, my old one had a manual v/b

transman
03-30-2008, 02:23 PM
:bigthumbthats why it held the gear out intill u shifted it

Flaming87lx
03-30-2008, 03:47 PM
got a m/vb?