Wrong flywheel
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Joined: Apr 2002
Posts: 23
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From: Kansas USA
Wrong flywheel
I replaced a worn 302 (78 block with 28oz balance) with a newly
built 302 (new block). Stock Ford crank (50oz), eagle rods,trw pistons,crane 272 cam (not roller),windsor jr headswith roller rockers. Don't have facility to do the swap so I had a pro do it. From the get go it seemed too rough at idle. Mech. said it was the cam.
The engine builder balanced the entire assy. with a new damper & flywheel.
After a recent visit to the mech. about a different project I discovered he had installed the flywheel off the old 28oz motor on the new motor.(honest mistake,the "old " flywheel had about 500miles since the tranny swap) I've put maby 300miles on this new motor. Just wanting some opinions about how much damage might already be done ... should I pull it & replace the bearings or change the flywheel and run with it. Oil pressure is good, oil is real clean, just don't want to get a few miles on it & end up doing major work.
54at50
built 302 (new block). Stock Ford crank (50oz), eagle rods,trw pistons,crane 272 cam (not roller),windsor jr headswith roller rockers. Don't have facility to do the swap so I had a pro do it. From the get go it seemed too rough at idle. Mech. said it was the cam.
The engine builder balanced the entire assy. with a new damper & flywheel.
After a recent visit to the mech. about a different project I discovered he had installed the flywheel off the old 28oz motor on the new motor.(honest mistake,the "old " flywheel had about 500miles since the tranny swap) I've put maby 300miles on this new motor. Just wanting some opinions about how much damage might already be done ... should I pull it & replace the bearings or change the flywheel and run with it. Oil pressure is good, oil is real clean, just don't want to get a few miles on it & end up doing major work.
54at50
Posting Guru
Joined: Jan 2001
Posts: 2,357
Likes: 3
From: S. Mississippi
Wrong flywheel
The engine should be fine, i don't know when or if it might fail, but just check the oil regularly and change it regularly, and all might be good.
Although if it were me i'd inspect a little further and tear into the bottom end, but ask the mech first, incase of any warantees or anything.
Although if it were me i'd inspect a little further and tear into the bottom end, but ask the mech first, incase of any warantees or anything.
