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Re: First motor start, terrible knocking
Quote:
Originally Posted by Lefkada
I just pulled off the valve cover.
Original head casting number: 3998991
New heads given to me by machine shop: 3986388
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Ok, they are the same CC so should not be an issue but worth the time to check.
If you are looking for a boroscope and don't want to spend a lot of money you can buy ones on ebay that connect to your phone. Check this out...
http://www.ebay.com/itm/3-5-5M-7mm-A...nq6Jx8qOrBmASw
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'84 K10, SM465, NP208, 3.42 Gears, 33x12.5-15
GM 4 bolt 880 roller block, 062 Vortec Heads
Comp Cams XR258HR-10, MSD Street Fighter HEI
Edelbrock: Performer Intake 2116, 1405 Carb
Long tube headers, 2.5" duals to Flow Master Super 40's
Vortec Engine Build
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