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Cylinder 6 will miss a lot no matter what you do. I'd yank the engine, check out
the cylinders and at least put some new rings in the engine. I don't think you
will ever get that engine to run smoothly.
FWIW,
Dave
Lisa wrote:
> *This message was transferred with a trial version of CommuniGate(tm) Pro*
> Hi everyone!
> Got the engine back together after replacing head and
> manifold gaskets. Decided to do a dry/wet compression test
> as a baseline. Here are the dry/wet + differences :
> 1. 95/100 + 5
> 2. 85/ 95 +10
> 3. 90/105 +15
> 4. 95/110 +15
> 5. 70/ 90 +20
> 6. 45/60 +15
>
> I can see why the previous owner thought he had a blown
> gasket between 5 & 6. Inspecting the old water distribution
> tube, we noticed it was plugged at the end, where 5 & 6
> receive their coolant. Without coolant, these cylinders are
> going to run hotter and wear faster. This engine was rebuilt
> at the Pueblo Army Depot in '71, ant the bore and pistons
> are std. (original). The main & rod bearings are -.010"
> The pistons are stamped with the last 4 digits of the engine
> serial number. My big question is this: will cylinders 5 & 6
> fire at this low compression?
> Thanks as always for your knowledge and advice,
> Lisa
> Mesa, AZ
> 52 M37
> 52 M38
> 59 CJ6
> 72 F100 4x4
> 73 Mustang Coupe
>
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This archive was generated by hypermail 2b29 : Mon May 01 2000 - 05:30:05 PDT