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Hey guys I was thinking lately about my motor and was curious at exactly how much it could take. It's just a plain stock 292. Exactly how much can this motor take before something breaks? I know every motor is different but what are the major weak points and some strong points?
I'd keep it under 4000 rpms and it should be OK. I am not a must be original truck owner. If I was going to keep my truck for a long while I would be looking at a very late model Ecoboost type setup. But that's my 2.
They can be very durable. When I was just out of high school I had a'61 unibody with a 292. It started running poorly which turned out to be a worn out timing chain. I replaced the gears and chain. Threw in some new rings, ( it had been rebuilt once already) and drove it for a couple of more years. I like them and wish my '64 which now has a 390 in it still had a 292.
They had a reputation in their time as good motors and hard to kill. They weren't really known for high output and by 64 (their last year) they had been defanged by low compression and other restrictions. This has some advantages, they can handle substandard fuels without knock or ping. Keep the valves adjusted correctly, they have to be set once in a while at least or they will likely drop a pushrod.
Before sludge-fighting detergent motor oils came along the dogleg lubrication routing in the heads caused some oiling issues in the upper drivetrain. So long as clean modern quality oil is installed today, it's not really a cause for concern. Used mine as a daily for a couple years and it started as cold as -20F, drove it out West several times etc, never let me down. Had it 20 years now and runs better than ever. Truck doesn't look any better than it ever did but it's almost a new one mechanically.
My old 63 250 ran poorly when I got it. The Compression test was disheartening. I pulled the heads and found I had eight, that's right, eight burned valves. They looked like four leaf clovers worn way up into the heads. It ran and drove that way.
I put on some good 59 Merc 312 heads I had, a new timing chain, NOS 57 Ford car tube headers, a new Holley 2bbl and it was good to go. It ran like a million dollars after that.
Sometimes fresh heads will cause problems on a old engine, not this one.
IMHO one of the toughest V8s ever made.
They are very durable. They are being built with over 500hp now, naturally aspirated, and the blocks have not yet become an issue. Two of those were in Engine masters this past year. There have even been a couple super charged and turbo charged in excess of 700hp, one approaching 1000hp (721hp at the wheels).
For average street use, they are more than adequate for the job.
A weak point is cost, but the average person cannot swap to a different motor for less than it will take to build a nice Y.
A strong point is that it is just all around a great motor and responds well to modifications just like any of the popular motors.
I would never replace my yblock never. Besides regular maintenance on it, it has been dependable. I drive my truck everywhere and anywhere without a worry.
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