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Yea, I bought the Cometic MLS’s. Just have to wait now for parts. Should have me down to 8.8:1 when it’s all said and done.

I also bought the ic982 pistons, and plan on buying cometic.040 thickness gaskets

These are the ones that came with the kit TURBO + OIL DRAIN + FEED + INTERNAL WASTEGATE TURBOCHARGER INSTALL KIT T3/T4 SS | eBay

I was looking at those. And with a .050 head gasket, that would bring me closer to 9:1

It’s whatever the rings are in the kit. I think it’s ductile iron

So let’s say hypothetically, if my piston surpasses the deck by .010, I would need to put a head gasket thickness of .050 to match the .040 quench? And if that were the case, I’d still be closer to 10:5-1 cr than to 10:1 cr

Ya, I think changing the pistons is the way to go. If it means anything, I do have a 4-bolt main spaded

It is a street car, and I would like to occasionally visit to the track. NA, I never was satisfied on how quick it was. I was happy with the torque though. I think the fastest car I’ve driven was about 650-700hp range. Oh, I’d like to get low 10’s high 9’s which I know isn’t too realistic, but I...

I think changing the piston heads is another serious option. I’m curious though. Naturally aspirated, this engine dyno’ed at 506 hp and 531 ft lbs of torque. Decreasing the compression ratio to about 8.5-9:1 what kind of power loss am I sacrificing? My initial goal for this current project to...

I think you’re right. Now, Rmoore enlightened me about quench (something I knew nothing about, thanks to him I do now). I’d like to go above .090 do bring me closer to 9:5-1 cr, but don’t know if that will increase engine detonation

What about using the copper shim like Garret suggested with the permatorque sd's? .020 copper shim with .054 permatorque sd

Excuse my ignorance, but can you double gasket, let say the permatorque sd's?

Ah man. Good catch. I did order the wrong ones. Back to square one lol

thats what I was concerned about, but I got the Titan version

I bit the bullet and bought the SCE Copper set. SCE Gaskets P690693R SCE Pro Copper Head Gaskets | Summit Racing Arp Studs and Nuts. Just to reiterate, the website says no o-ringing of the block or head, I should be okay then, correct?

I’m not too familiar with the spacers. Do you put one spacer on the deck, and place the head gasket (sd’s dry no spray) on top of that?

If that’s the case then I should go either 519sd or 540sd. If the 1008 seem to be the go to head gasket for boost (reading a lot of other forums) then getting on of the permatorqe’s that are thicker is just wiser.

I see that's the most viable option, just the thickness isn't where I'd like them.

But will they handle the boost?

Do you know if the PermaTorque SD’s are MLS? And if so, should they be copper sprayed?

ICON Forged Piston - Chry 408 Rod 6.123 Step Dish +20.5cc 2V Kit W/Rings I doubt the bore size makes a difference on the piston head, but this from their website.

These are the pistons ICON IC745KTD-030 ICON Premium Forged Piston and Ring Kits | Summit Racing For some reason I cannot figure out what stroker kit I have. I’ve checked all receipts on my build and that’s the only part number I can’t find

These are the copper gasket. Their website says no need to o-ring the block. Summit says you do though. Anybody have any experience on these? SCE Gaskets P690693R SCE Pro Copper Head Gaskets | Summit Racing

I think I’m over thinking the whole thickness of the gasket thing to lower cr. Here in the Silicone Valley, it’s really hard to find higher octane fuel.

Ok, so searching, and searching, I see two options that may work. A copper 4.060 bore, with a .093 thickness that doesn’t need the block or head to be o-ringed. Or, if I can find the answer if they are MLS gaskets, the 519sd fel pro permatorque severe duty.

they’re “budget” t3/t4’s rated at 450 hp each.

I plan on checking that when I have the head off. No idea on the top of my head.

Thank you The stage it’s at right now is much much nicer.

Air. I have it tucked between radiator and grille and bumper. I’ll post pics when completed. I haven’t been this motivated since restoring it a decade ago. this was the pic before I changed the inlet placements. I now have them on top, with the outlet on bottom. had to chop a bunch on my baby

But with the bore size being .150 larger, am I asking for trouble?