Hi guys

As some of you are aware my head gasket blew out something terrible. What is THE BEST head gasket for a 1275 bored 40thou to 1310, A+ Metro Turbo engine?

Many thanks
James

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I wish I had some sort of witty quote in my signature

I've had no problems with Payen BK450 gaskets lately.
Retighten when hot, check again after 1000 miles.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Once you go black, you won't go back. The BK450 is pretty good too.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Cheers guys,

Do I need the one with the 'O ring rocker feed sealing ring', or the one without?

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I wish I had some sort of witty quote in my signature

Won't harm! Same Price it seems.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Probably a good idea to have the O-ring, I have had 1 BK450 gasket in the last 15 years that leaked there. Probably had a dud copper ring.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Thanks Doc. As Mick said it's the same price anyway- So probably a good idea

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I wish I had some sort of witty quote in my signature

I have been running BK450's on my turbo motor for many many years without an issue, holds up to 20psi and good ignition advance and no issues at all.

As the Doc said re-torque it, I check mine every now and then just for the hell of it anyway.

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100% Pure A Series Turbo
Morris - The Original RedBull Racing

Thought I'd add this.

This is the old head gasket. Looking pretty sad and sorry. There's big rough marks next to nearly all 4 cylinder holes. Anyone know what type this is? Looks average

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I wish I had some sort of witty quote in my signature

That is a cheapo one.
We used to use them years ago, they are average at best.

IMO the BK450 black composition gasket is better than the current crop of copper gaskets. Those have been a problem since asbestos filler was replaced with the current rubbish filler.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Bk450 +++

Yeah thanks guys - the BK450 is definitely what I will be going with. Thought I'd share the old gasket and was a little suspicious it was a cheap one.

Sucks when you pay someone good money to build you an engine and they cheap out on important stuff.

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I wish I had some sort of witty quote in my signature