Word on the street is that stevejp2@juno.com said:
> I am going to check out a 79 MGB that I am interested in buying tomorrow
> and I can not find the values I should get in a compression test
> anywhere. Off to get a Haynes manual later. Does anyone have an idea
> what the compressions should be?
http://www.mgb.bc.ca/reference/specs.html
Compression:
18G engines, 8.8:1, 160psi @ 275rpm
18V engines, 9.0:1, 170 - 195psi @ 275rpm
Assuming the compression ratio is stock. Pull all the plugs before
you check, btw. Might want to adjust the valves too.
FYI my '66 B gets about 145-150 psi and runs very well.
Low readings in both cyl 2 and 3 generally point to blown head gasket (cheap)
or cracked head (expensive). Usually accompanied by clouds of white
smoke from the tailpipe.
Skye
--
1966 MGB The MGB Experience __,__\__ Safety Fast!
GHN3L-70307 http://www.mgb.bc.ca/ (_o____o_) MGOFR 1.375
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