Posts: 7
Threads: 2
Joined: Jul 2014
As per my newbies thread earlier today, I need a 2mm head gasket for a race-tuned, all steel, 306 XSi 8v engine. I've been quoted £280 for two custom made Cometics by Pug1Off.
Anyone know a UK/European fabricator of quality head gaskets?
Anyone any experience of decompression plates which can be used with standard thickness gaskets to make up the difference?(
http://www.ferriday.co.uk/decompression-plates/)
Cheers
Ephrem
Posts: 3,539
Threads: 42
Joined: Mar 2012
Reputation:
28
2mm ?!
Cheaper to take some material off the pistons and use a standard £40 mls peugeot gasket!!
Posts: 7
Threads: 2
Joined: Jul 2014
(10-07-2014, 09:23 PM)welshpug Wrote: 2mm ?!
Cheaper to take some material off the pistons and use a standard £40 mls peugeot gasket!!
Yes indeed and I even have said gasket (306 GTi-6) to hand. Not sure if you can do it with accralite high compression pistons but happy days if you could. I'll run it by the engine builder, thnx
Posts: 684
Threads: 58
Joined: Dec 2012
Reputation:
3
Location: Fordingbridge
Car Model/Spec: Loads
10-07-2014, 10:26 PM
(This post was last modified: 10-07-2014, 10:27 PM by miles.)
Asking for a thick head gasket sounds more like issue that needs addressing as any weak points will soon become apparent,
Just seen your other post,
Overall Road Going Production Class Winner at BARC Gurston Down Speed Hillclimb 2012, 2013 & 2014 With a class record along the way (For a while), Taking 2nd place will be Ian Redding's 306 GTi
2016 Castle Combe GT championship class winner
Posts: 20,092
Threads: 591
Joined: Nov 2012
Reputation:
54
Location: Cotswolds
Car Model/Spec: Stage 13 16v HDi
So the engine builder has got you to buy high comp pistons...then wants you to get a ruddy great thick gasket to reduce the comp down?! Bit random
Posts: 7
Threads: 2
Joined: Jul 2014
(10-07-2014, 10:27 PM)Piggy Wrote: So the engine builder has got you to buy high comp pistons...then wants you to get a ruddy great thick gasket to reduce the comp down?! Bit random
Not original builder. He has inherited the engine and I've asked him to change it from a full-on high compression twin 48s race engine with narrow power band 6000-8000rpm to a more user-friendly injected engine. Reducing the cam will increase the compression even more and so she needs a thicker head gasket to compensate. That's as I understand it anyway
Posts: 1,748
Threads: 41
Joined: Dec 2011
Reputation:
12
Location: Midlands
Car Model/Spec: Dtractor
Also with a 2mm thicker head gasket, it'll throw your cam timing all over the place.
![[Image: 22f2b6b2-758b-4c1c-96fb-6fa9c6059b13_zpsf306b56b.jpg]](http://i585.photobucket.com/albums/ss299/Ha11elujaz0rs/22f2b6b2-758b-4c1c-96fb-6fa9c6059b13_zpsf306b56b.jpg)