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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old May 15th, 2019, 10:15   #1
MAXRPM
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Default Looking for stronger head gasket for ALH

I've had 2 head gaskets blown in my golf already and I'm trying to find out if anybody knows if there is any place where I can get a copper head gasket made for the ALH, I got the bolt ons with my golf, so custom made studs are already in place , pressure from the boost is just killing the head gasket, head can't be kept in its place, if I can't get a copper one I may have to try spray liquid copper on the OEM gasket, any suggestions?
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Old May 15th, 2019, 10:18   #2
Nero Morg
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Is your head true? Are you using APRs?
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Old May 15th, 2019, 13:15   #3
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[QUOTE=Nero Morg;5508484]Is your head true? Are you using APRs?[/QUOT

I got better than APRs, custom made to 141 ft tq on the studs I got, my Jetta got APRs
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I dynoed at 275HP at LCD back then, now 2.0 TDI with the real bolt ons, HP and TQ who knows???
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Old May 15th, 2019, 15:06   #4
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This may be completely crazy, but howzabout cutting one out of copper sheet?
Use a gasket as a pattern.

Copper's ez to anneal, just get the appropriate thickness, blueprint the head
to the block.


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Old May 15th, 2019, 15:12   #5
Nero Morg
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Is your head square? Block?
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Old May 15th, 2019, 16:38   #6
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Ever consider having the head cut for o-rings?
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Old May 15th, 2019, 19:25   #7
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Might be a good idea to get the head and block checked. Ever overheat it’s at all???
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Old May 15th, 2019, 23:04   #8
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Golf was never overheated, block is decked,I may have the head surfaced, although it may not need it, I'm running 42psi and it is lifting the head, trying to keep head in one place, and my W/M sytem is not helping my situation either, so I'm trying to get a better head gasket and running it without W/M
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1/4 mile run----13.98 sec. @ 105.37 mph 8 years ago
I dynoed at 275HP at LCD back then, now 2.0 TDI with the real bolt ons, HP and TQ who knows???

Last edited by MAXRPM; May 15th, 2019 at 23:08.
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Old May 16th, 2019, 04:56   #9
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What turbo(s) are you running 42psi on? Most turbos won't run 42psi very efficiently, you end up flowing less than if you ran 32psi. If you don't have an exhaust pressure gauge on there, put a 100psi gauge on it, you're probably running over 80psi exhaust pressure by 4000rpm.

"Conventional" tuning doesn't really work when you're pushing this kind of power, that's likely where your problem exists. If at any point you have a weird shudder or growl, it's because your timing map has way too much timing where it shouldn't.
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Old May 16th, 2019, 07:13   #10
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We dont have head gasget problems with 1.9TDI Compact diesel pulling tractors (350-500bhp). Do you use too much timing below 3000rpm or???
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Old May 16th, 2019, 10:06   #11
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Be carful going to 140ftlb. It started pulling the bosses out the block and kept blowing gaskets. I changed the block and stopped spraying water Ran hx30-hx40 compounds It built 58-60 psi I ran the thickest head gasket and arp studs torqued to 125ftlb never had a problem.
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Old May 16th, 2019, 20:34   #12
[486]
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mls is miles ahead of copper

stop trying for 800 ft/lb, let it sing
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Old May 17th, 2019, 04:04   #13
bobbiemartin
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I'm with the other posters in thinking you may be headed down the wrong path, but if you want a custom gasket you can get one here: https://www.cometic.com/p-35446-custom-gaskets.html
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Old May 17th, 2019, 11:16   #14
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32 psi my gtd1756vrk turbo boost all day long no problem, my 2265 turbo gets 42psi, the culprit is not the psi, iam really sure I should blame it on W/M. Thxs for the website for custom head gaskets
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I dynoed at 275HP at LCD back then, now 2.0 TDI with the real bolt ons, HP and TQ who knows???
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Old May 17th, 2019, 12:36   #15
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Quote:
Originally Posted by [486] View Post
mls is miles ahead of copper

stop trying for 800 ft/lb, let it sing

Apples to oranges. Many pros and cons on both sides. It's the application here that matters. Copper is superior but only because it's used in superior appliance.
It has no place on an engine that is not getting broken down after a single pull or a weekenvent. Or anything going to do over 500 miles on the build.
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