bansheefire Posted July 9, 2006 Report Share Posted July 9, 2006 ok i just re did my top end but still wainting on my intake manifold to come in so i did a compression test to see where am at but its only reading 60psi at each cylinder.is it reading like this because my carbs are off and so is my pipes Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted July 9, 2006 Report Share Posted July 9, 2006 It could be because the rings are not seated yet if it hasnt ever ran. I would get the carbs and pipes on it and do the compression test with a hot engine. I dont know what the spec is for a cold compression. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted July 9, 2006 Report Share Posted July 9, 2006 Aslo what kind of gauge are you using. I have one of those cheap wal mart gauges. It has an adaptor for the 14 mm long thread. The little valve is still in the main hose. I put the long adaptor on and cc'd the hose and adaptor. The adaptor adds about 3.5cc's to the toatal compression chamber. Quote Link to comment Share on other sites More sharing options...
s-540 Posted July 9, 2006 Report Share Posted July 9, 2006 (edited) ok i just re did my top end but still wainting on my intake manifold to come in so i did a compression test to see where am at but its only reading 60psi at each cylinder.is it reading like this because my carbs are off and so is my pipes you could have a bad gauge, and the rings should be seated when you install them. did you check you clearences? Edited July 9, 2006 by s-540 Quote Link to comment Share on other sites More sharing options...
Animalman294 Posted July 9, 2006 Report Share Posted July 9, 2006 You say you are waiting on your new intakes, so do you have your old one in place now. Because if you don't have your reeds solidly mounted to your cylenders you are not getting a good seal and losing pressure out the reeds. And if you are only getting 60 pounds of pressure your shee is going to be a biotch to start. Anything below 100 pounds and it is extremely hard to start if it will start at all. Before I sent mine off to Jeff at FAST my compression was 82 and it would not start at all, and infact I wore a hole in my boots tryin' to kick th edamn thing over so many times.......... But good luck with that man............ :beer: Quote Link to comment Share on other sites More sharing options...
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