Need MSD help in Texas - The 1947 - Present Chevrolet & GMC Truck Message Board Network

85sqbdy · 10-07-2008, 08:07 PM

I'm currently running a 454 w/a th400 and 3000 conv. need to know about an MSD 6al box. Are they preset to limit rpm without a chip in the hole, or is my box going bad? It seems to start stuttering at around 5700 rpm. I checked the normal stuff. The distributor is locked out at 34 deg. and the fuel delivery is second to none. Don't get me wrong, this thing pulls like crazy up to about 5700 rpm then starts to stutter. I'm just curious if I should put a chip in the hole or just say to hell with it and go with a 7al2. Any help would be greatly appreciated.

10-07-2008, 08:07 PM	#1
85sqbdy Registered User Join Date: Jul 2008 Location: Orange,Texas Posts: 99	Need MSD help in Texas I'm currently running a 454 w/a th400 and 3000 conv. need to know about an MSD 6al box. Are they preset to limit rpm without a chip in the hole, or is my box going bad? It seems to start stuttering at around 5700 rpm. I checked the normal stuff. The distributor is locked out at 34 deg. and the fuel delivery is second to none. Don't get me wrong, this thing pulls like crazy up to about 5700 rpm then starts to stutter. I'm just curious if I should put a chip in the hole or just say to hell with it and go with a 7al2. Any help would be greatly appreciated.

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