What size are 3800 header bolts.
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12-05-2011
What size are 3800 header bolts.
12-05-2011
I want to say M8 x 1.25, but double check me.
12-05-2011
Is it a combination of bolts and studs or just studs and nuts?
12-05-2011
ARP Header Bolts?
yes.
12-05-2011
a great example of why im staying with stock manifolds.
12-05-2011
Part number? I can't find any v6 specific. V8s are 8mm x 1.25 do they work? I figured 12 point heads/nuts. Any of these go into the cooling chamber and cause water leaks?Originally Posted by bluegtp91
12-05-2011
Thank you, I could not see them. I guess I need need glasses.
12-05-2011
They don't extend into the water jacket. That being said, stock bolts do come out with sealant on them from the factory. I just throw some liquid teflon on the threads before I put them back in.
12-05-2011
Thank you all, this is great information.
05-14-2012
I installed a set last fall and i love them. only thing i had to do is put some tin foil under the clamp to get rid of a very small leak. Also do an egr delete it will save you a headache on install. They run great tho.
05-14-2012
MY car's about to go through smog testing I don't know if an egr delete would work.
05-14-2012
Do you have a converter, resonator, mufflers?
As long as the EGR code is removed...I've never heard of a 3800 having issues passing smog...and canada is way more strenuous...and people pass with EGR deleted cars up there.
I honestly wouldn't be worried man.
05-14-2012
Yeah, I have everything. Thanks, I didn't know that.
05-14-2012
As long as they dont do a visual inspection under the hood you will be ok.
05-14-2012
The way you have to wedge the back header in its just alot easier to just remove the egr system and then wiggle and cram. lol
05-14-2012
Wedge the back header? I came in from below with it.
05-14-2012
They don't care about anything except it passes the sniff test, stops good and the lights, wipers, and horn works. They don't even really look for an engine light.
05-14-2012
DE should be a visual and plug in state.
If you disabled the EGR, I'd suggest leaving it in a V and P state. Disable it in the programming. I'm probably the only guy that was fully built, intercooled and still had an EGR on the motor to pass inspection.
05-14-2012
Yeah i just rocked it forward and laid it in sideways then turned it.
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