2.3 stroker head build

[DSM_GSX01]

I have fished my bottom end of my build. I am going to start on my head soon. I know what cams, and springs im getting bet don't know what head gasket to use? Also i don't know what ARP's to get? . I have a goal of 500hp.

Part:

GSC S2 cams
GSC Spring kit
ARP's ?
Head Gasket?

Any help is great i have been searching around for along time and dont know what to go with. Thanks

 

[WES_393]

With a proper tune you can easily get away making 500hp with a stock composite gasket and ARP standards. You could go with an MLS if you want, but the head and deck should be resurfaced specifically for it. The surfaces need to be near mirror finish in order to ensure that the MLS gasket will seal.

But again, 500hp with a composite/standard ARP combo is totally possible.

 

[BogusSVO]

Wes took the words right out of my mouth.

Composite HG (Fel-pro 9627PT)
ARP Head studs, STD

 

[DSM_GSX01]

Thanks for the info. I got a mirror finish on both the block and the head. Now I dont know how many thousands they took off at the machine shop on both. That will make my area of valve to piston clearance. How can i check this?

 

[talonalex92]

Modeling clay works well to check PTV clearance, though I will admit I have used tootsie rolls in the past if nothing else is available.

 

[DSM_GSX01]

Ok cool when you checked the clearance did you torque the head down and rotate the cams or how did you do this?

 

[talonalex92]

I assembled everything as if it were going to run, spun it over 2 times and pulled the head back off and measured.

 

[DSM_GSX01]

Ok so even the timing belt part and tensor and idler. Right. Then just pull head back off and measure right.

 

[talonalex92]

Correct.

 

[BogusSVO]

Good Idea to check.

Doubt you will be close tho, even with the GS2 cams.

If you want to know how much was cut from the head and block, measure head thickness and then the piston to deck clearance.

 

[DSM_GSX01]

Ok thanks. I just want to check to make sure.

 

[My1GLaser]

Like Bogus said, you also want to check piston to head clearance. You don't want less than .035"! More than .050" starts getting to be too much for proper quench (even though our dished pistons have little to begin with) That will also help determine the thickness HG that you want to go with!

Goals change over time, so it might not be a bad idea to put L19s in there. I'm sure it's overkill, but you shouldn't have to buy studs again or worry about the head lifting if you shoot for 600+whp one day...

 

[DSM_GSX01]

Bogus what is the best way to do this? How do i measure my head and block?

 

[BogusSVO]

http://www.dsmtuners.com/forums/cyl...how-measure-4g63-cylinder-head-thickness.html

http://www.dsmtuners.com/forums/cyl...heck-piston-deck-clearance.html#post152107571

also you may want to read

http://www.dsmtuners.com/forums/articles-engine-fuel/341621-how-cc-combustion-chamber.html

http://www.dsmtuners.com/forums/articles-engine-fuel/468895-how-figure-compression-ratio.html

See the link in my sig line?? Click it

Down there VVVVVVV

 

[DSM_GSX01]

Thanks i will get to work right now. Let you know what i get for my head. I dont have a dial indicator though.

 

[My1GLaser]

If the pistons stick above the block, you can measure with a machinist straight edge and feeler gauges. It takes a little bit to get an accurate measurement since they rock at the top of the bore and the straightedge can be a little hard to balance depending on the piston design. I would say you can get it as close as plastigauging a motor is compared to mic'ing one, if you take your time...

Just stumbled across this and figured I'd post it up. I don't have any personal experience with that brand studs or the company selling them... http://www.dsmtuners.com/forums/str...1-technologies-h-11-head-studs-stm-tuned.html

 

[BogusSVO]

Just stumbled across this and figured I'd post it up. I don't have any personal experience with that brand studs or the company selling them... http://www.dsmtuners.com/forums/str...1-technologies-h-11-head-studs-stm-tuned.html

Those are the "Big Boy" head studs, used for big boost 35psi+ out of a big flow turbo

STM has a good rep here, from what all I have seen and read about them.
I personally have not delt with them.

So I will still suggest that you read there vendor reviews and make your own judgement.

 

[DSM_GSX01]

I was just going to get ARP's. What do you say i get?

 

[My1GLaser]

Like they have said, ARPs will be fine for your current goal. I was just saying that I know how goals change over time. You get used to 300, 400, 500 whp and it just starts to seem normal. Next thing you know your needing 600 for it to feel fast to you again. Everyone else with "normal" cars thinks you're nuts, but 500 just doesn't feel as fast anymore At least that's how it was for me. I should have gotten L19s from the start...

 

[DSM_GSX01]

What does this meam just found this?

You must be logged in to view this image or video.

This is on bottom of the head

 

[BogusSVO]

Ask the shop that did the work, that is not a factory marking.

Could be how much was milled, or the employee that did the work.

Could have been the last 3 digits of your work order.

It is not in a gasket sealing area, so it really matters not.

 

[DSM_GSX01]

Ok thanks. Here are my measurements.

IF-5.197 EF-5.198
IR-5.198 ER-5.197

 

[BogusSVO]

That's a spec head.

Even by the FSM, that would meet spec.

First cut, and in good shape its whole life.

That now fits with the stamp in the pic.

They milled .002

 

[DSM_GSX01]

That is good news i needed that. All i need is my cams and springs and ARP's and head gasket. :beer:

 

[LaserRS92]

I would like to know two things here and you can pm me the info if you would like. (slightly off topic)

First is what shops on here offer all these detailed measurements and planning a long block as in quench area and clearances?

Also if you do possess these skills, where did you learn or go to school for them?