Cam timing would be a prime suspect .
Regards
John
Frank Clarici wrote:
> Well this past weekend I picked up a complete 1275, with carbs, dizzy,
> genny, and all the goodies. It turned over and the price was right.
> Tonight I tried to start it. cleaned the carbs, fresh gas, new points,
> got spark, got gas, got no fire up.
> No carb suction to speak of so I did a compression check.
>
> Are you ready for this.......
> 25 PSI across the board!
>
> Ok, the valves are going up and down, so unless the top of each piston
> broke off, what am I looking for?
> I know it's a tear apart but before I do, I want to clean the engine
> so I won't get to it for a couple nights.
>
> What would cause super low compression in all 4?
> A nice even 25 psi each.
> No noticable holes in the block. Air pump stuff capped off and/or
> pluged up. Carb pistons work. Head bolted on.
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