04-28-2014, 04:05 PM
Sounds like you will probably see a big difference in your fuel economy now also!
Love old school
1976 Newell 8.3 cummins allison 6spd
1977 Newell 8.3 cummins allison 6spd
I found my missing engine power
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I found my missing engine power - by 77newell - 04-28-2014, 01:34 PM
RE: I found my missing engine power - by Retro - 04-28-2014, 04:05 PM
RE: I found my missing engine power - by Airplane Guy - 04-28-2014, 08:18 PM
RE: I found my missing engine power - by 77newell - 04-30-2014, 03:12 PM
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