[Alpines] Holbay head

[Jeff Howarth]

Hi Tony,

the polished combustion chamber son the Holbay head are bigger than the 
standard Alpine head.

This will mean that if you use the head and your standard dished 
pistons, you will reduce your compression ratio.

the Holbay engines used FLAT top pistons to make up for the increased 
chamber volume.

these are available in the UK, not sure about the US.



regards


Jeff












In message <944395.99697.qm at web30407.mail.mud.yahoo.com>, Tony Somebody 
<achd73 at yahoo.com> writes
>I have a chane to buy a Holbay head  and want to use it on the 1725 Im
>rebuilding for my S5. Although I do have a couple of nice Alpines (my opinion
>of course) I have more Tiger knowledge,but w/ OD, my\this S5 was a ton of fun
>and it had great hiway speed, except with the 18 wheeler problem, it kept
>wanting to pass them at a high rate of speed. To bad the speedo cable was
>broken in half, I might have slowed down. NEways, is there any problems using
>the Holbay head Im unaware of? Im installing a cam reccomended by Jim Ellis. I
>had a relly nice stock head I spent hours porting and then sent out to have a
>pro finish it BUT the machine shop says I picked it up- funny I left the
>block. I think my buddies S2 has my head on the engine I sold him, as his
>mechanic had the engine and head in the same machine shop. If he ever blows a
>head gasket I will know for sure. LOL
>Thanks ahead of time for any help I may receive and happy Holidays to all.
>TonytheTiger
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-- 
Jeff Howarth