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head gasket #1647656
04/01/2021 08:31
04/01/2021 08:31
Joined: Aug 2019
Posts: 17
israel tel aviv
moshe Offline OP
moshe  Offline OP

Joined: Aug 2019
Posts: 17
israel tel aviv
hi guys need some advise
my car is build with uprated rod / piston and all needed
I'm usually boost around 1.4-1.5 bar (i have greedy boost control)

few month ago my timing belt torn and on the way i put SPESSO head gasket with fire ring cost mw 199 pound from UK
the head sent to professional to fix and tested good
in my mistake i close the bolts head (arp studs) with wrong torque and after 300 mile the gasket blow

so again i sent the head to professional to skin it a bit he did it and he said it is still good to go
then i put it again but with different gasket also SPESSO but no fire ring but still uprated that can handle more then my car
this time all close with correct torque and did 3 check before close all (all close by ARP instraction)

last week after driving again my head gasket blow it was when i boost a little more then i use to (1.7 bar)
few mechanic that see the gasket tell the same that this is blow by boost
few of them said that SPESSEO is not so good and the OEM hold more boost then SPESSEO

we check the engine block to see maybe there is problem with the surface but its 100% flat
also im buying new head as this one has got to the end of ability to skin it a bit

please any one can advise good gasket head that stay ?
i going to do also ECU BLACK in the next month
the target is to boost max 1.7-1.8

many many thanks

Re: head gasket [Re: moshe] #1647663
04/01/2021 12:24
04/01/2021 12:24
Joined: Feb 2006
Posts: 202
Czech republic
Honza Offline
Making a profit
Honza  Offline
Making a profit

Joined: Feb 2006
Posts: 202
Czech republic
blowing headgasket? isnt it detonating rolleyes show us the blown headgasket and photo of head/block...

20 years with yellow 2.0 16v NA
22 years with black SEDICIVALVOLE

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