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#1 |
Registered User
Join Date: Jan 2002
Location: Rhome, TX
Posts: 209
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A little engine trouble, need suggestions!!
I recently rebuilt my sb 327, I have a edlebrock 600 (used on motor before rebuild), GM HEI ignition. I currently have about 450 miles on the engine. My problem is when I am sitting at a stop sign and let out on the clutch it almost dies, when I put my foot in it the truck takes off.
I had a mechanic work on the carberator and he adjusted the jets and it seemed to improve a little but i still have the problem. It idles great and runs down the road really good, just starting out from a stop seems to be the problem. Could it be something with the timing or distributor? Thanks for any suggestions or help anyone can offer.
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1968 C10 LWB 327 bored 40 over, RHS heads, KB pistons, Eagle rods, Edlebrock carb & intake 1968 C10 flatbed 307 w/ 4 spd manual (dads old ride) 1936 1/2 tn pickup, 400sb 350 turbo (partially restored) 1949 1/2 tn, needs complete restore (future project) 1969 Chevy impala 4 dr no post (wifes future car) 2010 GMC Serria 4x4 crew, leveling kit |
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#2 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: A little engine trouble, need suggestions!!
Lots of things involved here. If you let out on the clutch and it's a "grabby" clutch it will tend to die unless you feather it or stomp on it like you're doing. If it's not the clutch and you know it's not grabbing then as you mentioned it could be the carb or timing.
Things to check: Choke adjustment. If it's cold and the choke is not adjusted properly it will do the same. Acc pump. Use a flashlight and look at the carb throat. Make sure you get a good shot of fuel when you manually move the throttle. If you don't it may need float adjustment or a new acc pump. Vacuum leaks. Check all hoses for leaks and don't overlook the brake booster if you have power brakes. Check your timing with a timing light. 10 degrees BTDC to begin with. Adjust it as necessary. Make sure you're not using the old resister distributor cable to the HEI. It needs a full 12 vdc. There's other things but can't think of them right off. |
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