jay_rich

I was wondering if the quench is really a huge deal on turbo cars?

Now the heads im thinking of getting are a 58CC

here are the following CR's I can get with these

8.9:1-.062 Gasket
9.07:1-.052 Gasket
9.25:1-.042 Gasket

I was wondering if running a .062 copper will hurt me?

My block is oringed also so I am stuck with a 4.06 bore gasket to seal proper.

Jay

boosted-lt1

There is a thread on the Advance Tech forum covering this. I believe the consensus is to let the quench fall where ever it falls. Some claims of turbo OEM cars with 0.250 (yes, a quarter inch).

-Scott.

MikeGyver

Keep in mind, a turbo is rarely in boost.

jay_rich

Maybe when ur driving :P haha jk. It is a summer car and i drive it mayeb 2000km a year lol, mainly race track/closed road

Jay

MikeGyver

Then why does it even matter anyway?

jay_rich

well i just have heard differences both ways. Some say thicker gaskets are more **** to detonation etc

Jay

jsetzer

Whats your deck height? Even if its stock you won't be that far off with the .062. Everything I have ever read says don't worry about it as much on a boosted car. Sure your not in boost all the time, but it only really matters when the engine is under load.

I wound not do a .250 on a 13-1 compression motor trying to run pump gas.

I am on a .040 gasket with pretty much no extra left on the deck. So I still manage to be close to ideal.

jay_rich

Zero deck...scratch this Patriot will make me the heads with a 58-64CC combustion chamber. Sold! My LS buddies run patriots and love them. So im gonna go that route and port them a bit so they flow like an LE2. The said there casting has a bit more stock then a stock one.

Jay

jsetzer

Cool beans.
Stock heads for life - Who needs porting? MORE BOOST!
Poor little masterpower.

engineermike

I believe the turbo Neon SRT4 runs something like .340" quench.

blown94

but an srt-4 is a turd! so keep that in mind. Do you really wanna be like a neon?

engineermike

Stock for stock, they run almost identical times to an LT1. Mod for mod, they are faster, so I wouldn't discount them.

MikeGyver

Um isn't that absolutely irrelevant? You can't just compare motors of different design like that.

94zgreenmachine

Every one I have ever seen does nothing but spin tires, bounce off of rev limiters and miss shifts. That makes them slow as hell...........

engineermike

Stock, they run 14.0-14.2 at 100-102, which puts the et right in line with a stock LT1, but higher mph. Modified, you name it, with the quickest running high 7's at 190 mph.

Yea, I think we could learn something from them.