Re: SER1 Weight of a LWB chassis

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Jeremy Brooks wrote:
> Thanks Tom - I am lugging a S1 107 chassis  which likely weighs in 
> similarly.
> 
> Have you repaired your cyl head? 

It was a blown headgasket right above a insuficient crack repair between
#3 & #4 cylinder . careful measuring revealed a concave mating surface 
on the block and the head.
I pulled the engine and had both the block and the head resurfaced, 
removing about 0.025 " of metal in total.
We ended up clamping the engine block with the exhaust port side down 
onto a vertical mill and using a 8" flycutter to recondition the mating 
surface. Very cool.
With a new headgasket fitted the engine is back in and performing rather 
well. compression is around 145lbs with #4 down a bit at 125lbs.

Had her at the OVLR party no problems.


  What about Martin's exhaust valves?
Martin has got the head off, one burnt exhaust valve replaced but a 
crack in the block , same location as on mine ( darn siamese bores) will 
need to be mended.

Further details unknown, ask Marty.

Tom T


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