From my experience that .035" - .040" quench/squish range that gets thrown around isn't set in stone. I've found that the geometry of the piston...
Short story about your HF dial indicator. I have the same one. Late one Saturday night I was working on an engine and I dropped my good dial...
Beat up top rod bearing inserts is usually a sign of detonation pounding down on the piston. You may even see wear on the backside of the bearing....
The numbers on the parts are Ford engineering numbers, just show when the parts were designed. 302/5.0 rods are all the same length except for...
You have to remove a lot of aluminum from a piston to mess up the balance. You have all these engine shops bragging about how they get all of the...
To get an idea of where to grind the reliefs I brought a piston up to TDC, removed the valve springs from that chamber of the head, smeared white...
I'm 65 years old... :Welcome:
Poor grounds.
They even make a tool that looks like a valve with teeth on it so you can cut your own reliefs. You cut the pistons while they're installed in the...
Wonder what a machine shop would charge to mill down the piston tops?
A cam's duration has the biggest affect on piston-to-valve clearance. You might be able to go with higher lift but keep the duration moderate....
Check out the pistons in this video: https://www.youtube.com/watch?v=ssJ7-sCo_rg
I've seen a couple 5.0's with pistons up to .005" out of the hole. The "T" in E7TE means this was originally designed as a low compression truck...
Those pistons look like the stock '87(?) pieces. They have no valve reliefs so you're limited what heads/valves will work with them.
:Welcome: Late '70's early '80's I had a '72 Pinto wagon that I paneled in the rear windows, put in a 289, Toploader 4-speed and 8" rear. Fun...
Just in case something blows up? LOL
Blocks that have a number cast into the side starting with "D4" (1974 design) have the higher deck height. Don't remember if they were .023" or...
It was the D4 Engineering code blocks (74 thru 77) that had the .02x" higher decks Even if the 68 block has been rebuilt it may have cheap...
Or it may just need to have the float arm bent down a little. If it's totally messed up, like my aftermarket sender was, use one of these:...
Don't know if that was the intention here, but many moons ago guys would drill holes in distributor caps like that to supposedly let out the...
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