Help with 7.8 parts
Super Moderator
Joined: Apr 2004
Posts: 34,538
Likes: 2,837
That will make you a 6.6. Mains appear to be the same size, rods appear to be different size. (based on a 30 second search for those parts)
Get the 6.6, you might be able to rehab it, or make one runner out of them.
Can't rehab your existing crank?
Get the 6.6, you might be able to rehab it, or make one runner out of them.
Can't rehab your existing crank?
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Tuned
Joined: Jan 2012
Posts: 329
Likes: 1
Well until I get a second person since I need a driver to pull it into the shop I belive the crank is broken but yes I was thinking of everything between the two being the same aside from the rods but didn't think that the crank would have to be different for a shorter stroke.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
I paid 300 for a 7.8, just remember these were running engines. However because its California these are sold as scrap only. They are required by law to cut a sqaure into the block at the oil pan edge. These are good engines if you have the time and can swap parts with a good block and oil pan.
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honkytonk
1973 - 1979 F-100 & Larger F-Series Trucks
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Aug 22, 2007 12:41 PM
