OK, I admit I was assuming that pretty much every B-series engine head out
there had been rebuilt by now (more than once, probably), and thus had
hardened seats. Rebuilding without doing the seats would be foolish IMO.
on 4/21/03 8:07 AM, jello@ida.net at jello@ida.net wrote:
> I think there must be a lot of factors. I know about 3 years ago I had a
> bad head gasket issue on my MGA (with a 3 main MGB motor), and took the
> head in to be checked/rebuilt as needed. It was a 1500 head, and in
> pretty bad shape actually - the valves had hammered the head surface
> pretty hard - and I got all new, and hardened seats. I suppose that may
> or may not be due to the lack of lead in the fuel, but I can tell you that
> the surface was shot.
>
> Phil Bates
>> Max Heim SEZ -
>>> Why do you think you need a lead additive?
>>>
>>> Real world experience seems to indicate that under normal street
> conditions
>>> these engines get by perfectly OK on unleaded fuel.
>>
>> Not only unleaded, but the mechanic who rebuilt the 5-main high-
> compression
>> MGB engine for my MGA told me that I can use regular-grade unleaded in
>> all but the warmest weather! This surprised me because my '68 MGB had
>> basically the same engine, but the owner's manual said to never use
>> less than 98 octane except in an emergency. I've always been sceptical
>> of unleaded gas in pre-1975 engines - after all, if the government bans
>> something it *must* be good! :-) But I'll trust an expert. This
>> guy's rebuilt a lot of MG engines.
>>
>>
>> --
>> David Breneman |
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
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