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post #8 of (permalink) Old 04-20-2010, 07:42 PM
Tex
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Join Date: Mar 2007
Location: Fort Worth, Texas
Posts: 837
Re: New guy with a old truck and motor

Yeah, having the ignition timing at only 2* can really kill the power and induce misfires.

The nice thing about replacing the timing set on a 335 Series engines is that the timing cover is just a flat plate of steel. Much less of a hassle than small block and 429/460's that have a million things bolted to or through a soft aluminum cover. You should be able to do a timing swap with the engine in the vehicle.

I'd get an inexpensive mechanical oil gauge to give you a better idea there. That's a critical bit of information to have accurate.

90-95 lbs is starting to get a little low for compression, even in an 8.0:1 engine. But if your oil pressure turns out ok, you should still be able to get quite a few miles out of it before a rebuild becomes a necessity.

But if your oil pressure is dropping to 5 or 10 pounds at idle once you get an accurate gauge hooked up, I'd say rebuild time is now.


1964 Galaxie 500 4dr 289, 1967 Galaxie 500 fastback 460, 1968 Fairlane 500 302
1969 Montego MX 410, 1971 F100 400, 1979 F250 400
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