Edelbrock carb tuning - Team Camaro Tech
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post #1 of 1 (permalink) Old Oct 5th, 04, 05:26 AM Thread Starter
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Jim
 
Join Date: Dec 1999
Location: Yorkville, Illinois USA
Posts: 22,121
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Funny thing happened over the weekend... The wife made me clean the sub-basement, and I found an Holley Pro-Jection box containing an old QuadraJet and my TIMING LIGHT! Haven't seen that thing for years...

So last night, I attacked the 327 for a while... Months ago, I got an Edelbrock tuning kit, and changed metering rods and springs to try to get rid of an off-idle bog... worked ok, but when I put the dart heads on last month, I got the bog back, plus some overal lean at part throtle, plus a major hitch when the secondary's tipped in. All I did when I swapped heads was twist the distributor till it sounded "OK"...

Popped the top off the carb, went up one size on the primary main. Also found my thinking was BACKWARDS when I played with the rods before... a STIFFER spring will step them up at a higher vacuam... not weaker! So I put the pink springs in (7" rather than 4!)

Warmed the motor, then put on the timing light and vacuam guage. Initial was at 10, moved to 14. Verified mech advance was working, hooked the vacuam advance back up, it's OK too... Peaked the idle mixture on the vacuam guage and set idle at 750 rpm.

Drove it to work today... seems to be workin nice. All my lil bogs n stumbles are gone! Think I'm close to makin friends with this Edelbock!!! Well, back to work, tx for listening!





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New website for my vert is coming together. Do ya like the slide show on the home page?
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