Hi Lou,
I used a slightly different method of measuring the valve pocket distance from the top of the piston with the clay.
First, I measured the "floor of the pocket in a perpendicular plane to the piston top, then I remeasured in the same plane to the putty's edge smashed by the valve and subtracted the difference between the 2 measuremants. It is just within spec for such things.

Yes, using the AP-210 Big Bore Gasket with 13.5:1 with no O-rings. I use ARP Head Studs on all of my builds. No reason not to! Likely was torqued to 100#/Ft. in 3 even steps.( would hafta check my Notes for sure.
I don't mess with stock fasteners for my go-fast stuff.

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Sounds good on the measurement - got it. Nice to hear the AP210 gasket + studs at high torque can handle that pressure.

Lou

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Home of Slant6-powered fun machines since 1988

Them thar Aussies know how to make a SKOOKUM AS FRIG head gasket at a reasonable price point! I wish they had the 3.46" Bore again.

No guarantees that it would work well on Booooooooost or on the Juice, but it was fine for me.

Greg

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Yes Ryan's car was running one at over 13 to one too.

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2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!

12.70 @ 104.6

Cool. Somehow I thought Ruster and Ryan's 62 were running the MLS gaskets.

Lou

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Home of Slant6-powered fun machines since 1988

Ryan was running a MLS that was removed and reinstalled at least one time. Then the last time we had the head off we installed the Aussie big bore

_________________
2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!

12.70 @ 104.6

4/21/26:

Last night, after Ava's music lesson in town, I went to the shop to accomplish some more things.

I got a new Permaseal AP 210 out of the package (dated 2006), verified that it has the ~3.60" fire ring, sprayed it with copper schmoo, and put it in the sandwich.



I also lubed and installed the new lifters and poured a bit of oil in the lifter bores for assembly.


Do you know how hard it is to torque in 3 even steps 80-90-100 Ft/Lb's whilst holding your dumb fone to take a picture like this without falling over or torquing the engine flat onto the garage floor? Me neither, but now I do,


Set all of the "Cold Lash" to 0.016 / 0.020 Cam Card Calls for 0.022" / 0.024" I am guessing that is hot, but I have to do this engine not running due to the coil packs on the valve cover.... not sure what genus came up with that idea??


Blast from the past:D

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Cool beans, Greg. 3.66" bore gasket you mean.

I would *really* recommend setting cold lash to 0.028"/0.032" or even 0.002" looser on both. Ignore the lash settings on the cam card. The lash closes up when hotter, not the other way around. For that cam, you want 0.026" int and 0.030" exh HOT as a starting point, then adjust from there. I always set my lash with the engine off, FWIW.

Lou

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Home of Slant6-powered fun machines since 1988

Oops yes. 3.66" Thanks for the Lashing info. Easy to re-adjust.

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You betcha!

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Home of Slant6-powered fun machines since 1988