EITHER Bad Rings or bad valve seals right???????????
04-26-2012, 03:56 PM
#21
Launching!
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Your pistons look cleaner than i would have expected to see. It looks like you have GMs MLS head gaskets. Can you find a casting # on the heads ? I would take your heads to a machine shop and let them clean and inspect the heads. Replace the valves seals, check the guides, and let them vacuum test the heads..
04-26-2012, 09:44 PM
#24
Hope this takes care of the problem. What size was the block honed to ? 3.903 3.905 ?
http://www.texas-speed.com/p-2274-gm...ad-gasket.aspx
http://www.texas-speed.com/p-205-gm-...er-gasket.aspx
Talk to them about thickness between the 2 gaskets to get the best for your setup.
10-14-2014, 02:39 PM
#27
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the issue I'm having is different then. but I maybe have installed too small of a head gasket. I've got afr 230 heads and put ls9 (4.100 bore) gaskets on the setup. AFR says the minimum needed it 4.125 and recommends 4.135
