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Re: Help with a 340 engine
[Re: stumpy]
#1077380
09/18/11 06:06 PM
09/18/11 06:06 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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breakin oil(zinc), moly paste on the lobes/lifter bottoms, spring pressure, breakin procedure, too much cranking on initial fireup, lifters too tight in bores, defective cam or lifters. where are you at with those?
live every 24 hour block of time like it's your last day on earth
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Re: Help with a 340 engine
[Re: halory]
#1077381
09/18/11 06:09 PM
09/18/11 06:09 PM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
I built a 340 stroker (408). Used a 292 duration 508 lift hydraulic cam, with edelbrock heads 273 adjustable rockers with the stock pushrods (the 273 was a solid lift motor). Wiped out the cam in 500 miles. Why do you think the cam wiped out? Are the push rods to long for hydraulic lifters?
Yes, stock 273 solid lifter push rods are nearly a quarter of an inch too long. You need push rods made for a hydraulic lifter engine using adjustable rockers.
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