If you want the header go for it. However generally a header adds
nothing to performance, it does however weigh less. Headers do have a
'cool' factor but may not solve the problem.
In the many years I've been dealing with MGs I've not heard of a vapor
lock issue. You may have something else going on. Like low fuel
pressure.
The suggestion to try insulating the fuel line is a good one. You might
also pour about 1 cup of diesel fuel in a full tank of gasoline. This
will lower the volatility of the fuel. If after doing these two items
your vapor lock goes away you're on the right track. If not, I suspect
you don't have vapor lock.
Good luck.
Larry Hoy
(PS Last weekend I raced my MGB vintage race car in 109'F heat, no vapor
lock. Water temp 230'F, Oil temp 260'F)
> -----Original Message-----
> From: shop-talk-owner@autox.team.net
> [mailto:shop-talk-owner@autox.team.net] On Behalf Of Bill Gilroy
> Sent: Tuesday, June 04, 2002 4:01 AM
> To: shoptalk
> Subject: Re: Under the hood temperature
>
>
>
> Hello Bill,
>
> Monday, June 03, 2002, 10:49:11 PM, you wrote:
>
> Just to answer some general questions, the reason I want to
> do this is that I am having problems with vapor lock due to
> high heat under the hood.
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