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Heads worked only
http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=74023
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Author:  kib876 [ Sat Jul 27, 2019 1:44 am ]
Post subject:  Heads worked only

Anyone had the heads worked only on 37efi PD? I know it’s not going to help top end much, just wondering how much improvement I would see load carrying? My motor has 140hrs so I’m sure the valves alone would be an improvement. I’ve modded a couple GDSD in the past, but never a PD

Author:  Will C [ Sat Jul 27, 2019 11:10 am ]
Post subject:  Re: Heads worked only

Yes it works, my stage 1 efi motors get a real set of heads, billet pushrods, mild intake work and a custom tune. It's a very good improvement over stock. Usually the 37 Pd has the hardest time stepping a load. This is the fix

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