engine problem diagnosis help
Thread Starter
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Laughing Gas
Joined: Mar 2016
Posts: 1,105
Likes: 78
Are the fel-pro's no good? That's what I got, seemed by a quick search they were more recommend than Clevite. But have no idea, got the whole top end kit for 108$ delivered from advance.
That's awesome to know they'll push to 120 and still have more room to go. Yeah, I picked up a 7/16 12p 1/2 socket specifically for this job, and even then, at times, I thought my braker might brake off.
I decked one block surface today with a new, straight flat knife sharpening wet stone. Got it good n flat'n straight. Got the passenger side head off, both are now in the barrow waiting for some TLC.
I found the most obnoxious little bolt holding the dipstick tube to the head, couldn't see it till it was inches off the block and binding up. Finally was able to get it off of there, but bent the ds tube a little. Should be fine though, really annoying placement for a little hidden bolt.
That's awesome to know they'll push to 120 and still have more room to go. Yeah, I picked up a 7/16 12p 1/2 socket specifically for this job, and even then, at times, I thought my braker might brake off.
I decked one block surface today with a new, straight flat knife sharpening wet stone. Got it good n flat'n straight. Got the passenger side head off, both are now in the barrow waiting for some TLC.
I found the most obnoxious little bolt holding the dipstick tube to the head, couldn't see it till it was inches off the block and binding up. Finally was able to get it off of there, but bent the ds tube a little. Should be fine though, really annoying placement for a little hidden bolt.
Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
nothing wrong with Felpro
some folks however are very **** about using OEM and in this case I think it would be IH gaskets and not Motorcraft but probably same difference.
the deal is some gaskets are thinner than others and when you going for the max Compression the thinner the better but the Pistons do stick up above the deck by 0.10 to 0.30 so that is what that is all about.
some folks however are very **** about using OEM and in this case I think it would be IH gaskets and not Motorcraft but probably same difference.
the deal is some gaskets are thinner than others and when you going for the max Compression the thinner the better but the Pistons do stick up above the deck by 0.10 to 0.30 so that is what that is all about.
Thread Starter
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Laughing Gas
Joined: Mar 2016
Posts: 1,105
Likes: 78
I think decking all surfaces smooth, might bump compression slightly, probably not by any noticeable amount, but, never know. surely compression on 8 cylinders, instead of the 6 It was pushing is a good start.
Thread Starter
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Laughing Gas
Joined: Mar 2016
Posts: 1,105
Likes: 78
$ure thing, but.. I have the midas touch, 10y paint an body, I block smooth as glass by hand, all the time, every time..
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Scope Wizard
Joined: May 2019
Posts: 6,530
Likes: 25
good read on Head Gaskets and they mostly talking Felpro https://www.motor.com/wp-content/upl...y082002_07.pdf
Posting Guru
Joined: May 2015
Posts: 2,036
Likes: 5
The fel pros are fine, personally I just don't trust them to run higher boost and I think they'd blow out easier than the oem multi layered steel gaskets.
The little pieces go in the gasket, that was the part that was updated as the factory gaskets did have to be revised.
The sharpening block is a great old school trick for cleaning everything up.
The reason Ford wants the block/heads changed is because of how tight the Piston/valve interface is, if you deck the heads or block more than the felpro can compensate for then the Pistons could contact the valves. Iirc they had aftermarket Pistons with offset wristpin holes to make up for this difference. They ain't cheap though, Pistons in general ain't cheap.
Sounds like you're making great progress, keep it up
The little pieces go in the gasket, that was the part that was updated as the factory gaskets did have to be revised.
The sharpening block is a great old school trick for cleaning everything up.
The reason Ford wants the block/heads changed is because of how tight the Piston/valve interface is, if you deck the heads or block more than the felpro can compensate for then the Pistons could contact the valves. Iirc they had aftermarket Pistons with offset wristpin holes to make up for this difference. They ain't cheap though, Pistons in general ain't cheap.
Sounds like you're making great progress, keep it up
