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Old 04-04-2007, 08:05 PM   #1
jorgensensc
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Join Date: Jul 2003
Location: Cypress, Tx
Posts: 4,005
Distributor question for the Gurus!

Hey all,
I did the Hei Swap today with a junkyard distributor. Unfortunately after I did it there was a horrible tapping noise coming from the dizzy. So I was going to bite the bullet and get a reman dizzy from the zone. I had them look up a 75 truck and a 75 vette. I was expecting the same part number, but I was wrong. When she pulled both the arms connected to the springs for the vaccuum advance on the vette dizzy looked much thicker (heavier) than the arms on the truck dizzy. Other than that they looked the same. The module numbers were the same etc. Can anyone tell me which one would be better? I thought the vette would be better because of the high porformance aspect, but the lighter arms on the truck seem like they would advance better. This is on a stock 68 350 with a two barrel carb. Thanks for the help guys!!
Shawn
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