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09-20-2005 09:20 PM #1
CHR Member
- Join Date
- May 2005
- Location
- N. Muskegon
- Car Year, Make, Model: 67 Chevy, 72 El Camino, 86 El Camino
- Posts
- 138
The original 350 heads were probably 76cc chambers. The 305 heads are probably around 58-60cc. That's quite a jump in compression.
I'll bet your ECM is all kinds of confused.
I would use the Vortec heads, but you'll need a Vortec style intake. You'll also need to swap out the distributor. Then, just disconnect the computer.I intend to live forever; so far, so good.
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John's ride to the cemetery, his beloved Billings OK bus, The Baby Elephant!! Traveling in style!! As his service was starting I couldn't figure out what the music was, heavy on a flute in a jaunty...
John Norton aka johnboy