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Cylinder Compressions http://www.gtmdrivers.com/forum/cylinder-compressions-t3523.html |
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Author: | RaymondH [ Fri Jul 08, 2016 8:17 pm ] |
Post subject: | Cylinder Compressions |
I took a notion to check my cylinder compressions today and they are 180 - 185 cold and 210 - 215 hot. Does that seem about right for a 1312 A series with 1500 miles on the clock? I didn't expect them to be as high as that. It's standard spec apart from the rebore and (I think....!) a Piper 285 cam. Cheers. |
Author: | kano nordie [ Sat Jul 09, 2016 7:38 am ] |
Post subject: | Re: Cylinder Compressions |
That's good, the more you squeeze the bigger the bang John |
Author: | West [ Sat Jul 09, 2016 5:07 pm ] |
Post subject: | Re: Cylinder Compressions |
Yep sounds good, do you know what compression ratio you have as a high ratio gives higher readings Neil |
Author: | RaymondH [ Sat Jul 09, 2016 8:10 pm ] |
Post subject: | Re: Cylinder Compressions |
I have no idea what the compression ratio is It's good to know that they're ok, though, given the hassles I had with the darned thing smoking really badly when it was first fired up after its rebuild - it still produces a little blue smoke after ticking over for a bit when it's stinking hot. The first MOT is due in a few weeks time so I'll have to take it for blast to clean it out on the way to the garage |
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