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Old 04-03-2014, 10:52 PM
Towboatcapt Towboatcapt is offline
TT Enthusiast
Join Date: Apr 2013
Boat: 42' Sea Ray, twin CAT 3208 Turbo after cooled 750hp
Location: Denver, CO/ WI
Posts: 287
Originally Posted by Jc5229 View Post
And after spending 6 hours in the scrapyard today I managed to walk out with these gt-40p heads. Now on these holes need to be stepped out to 1/2 inch and the plugs need to be changed to brass any special setup for the springs or valves compared to stock to make it ready for the 351?
I'm doing this soon keep posting pics!

“If you can't be a good example, then you'll just have to serve as a horrible warning.”
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