Thread: 307 engine
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Old 01-22-2019, 03:30 PM   #1
Mr_Rich
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Join Date: May 2006
Location: Yucaipa, Calif.
Posts: 792
307 engine

This was the original engine in my first truck. It ran a lot of miles before I swapped a 350 crate engine into my '73 square body and so on. I rebuilt the 307 for a car project and the car is gone and I still have the engine on my garage floor. It was always reliable to start instantly and I really only had problems until I got stuck in heavy traffic and the engine started running hot and blew off a radiator hose. After that is started using a quart of oil every 500 miles or so. Now this engine was bored .030 over and it's a 3970020 block. Since it was a truck engine it has the 1.94/ 1.50 valve size heads. Is there a desire for this engine anywhere? I hate to scrap it since I put a lot of good parts in it when I rebuilt it.
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1989 K1500 Chev. EC
Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit.
2009 Hummer H3T 3.7L 5M (sold)
1997 K2500 Chev. EC 7.4L/ 4L80E (sold)
2018 Dodge Ram 2500 HD R/C
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