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#11
07-21-2024, 09:05 PM
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I had Blackstone do a UOA on a fresh engine with about 2K miles on it and it had a higher level of lead also, around 50 IIRC. Copper and tin were low and everything else looked good so they pretty much told me the same thing as thy told OP.
Was running Valvoline VR-1 conventional with no additives and always ran unleaded gas.
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68 GTO,3860# Stock Original 400/M-20 Muncie,3.55’s 13.86 @ 100 Old combo: 462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's. 1968 Pontiac GTO : 11.114 @ 120.130 MPH New combo: 517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's 636HP/654TQ 1.452 10.603 @ 125.09 http://www.dragtimes.com/Pontiac-GTO...lip-31594.html |
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