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need help! anyone who knows about compression!

Old 02-25-2009, 01:08 PM
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Default need help! anyone who knows about compression!

ok so i am looking at this c5 zo6. it has a procharger on it and a 100 shot of nitrous. it is a direct port system. the car has 29k i think maybe 4k miles less. but any way the car was biult right using top dollar everything. i mean everything. it from teh original owner as well. its a bad *** car but when he got the compression checked it read this

left bank
147,145,145,145
right bank
145,147,145,145

and idk what that really means im not going to lie. i jut know its better for all the numbers to be the same lol... but anyway i was curious does this mean anything about reliability? would the car be safe to drive 2000 miles, yes two thousand, back to my house. which is what i planned on doing.
Old 02-25-2009, 01:42 PM
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Are you sure about those numbers? They look nice an even, but I have seen numbers usually around 185-190. Not sure since I have never done one on my car!
Old 02-25-2009, 01:53 PM
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thats what he told me. so that what i haveto go by... idk what they normally are either. its an all stock engine with a procharger p1-sc and a direct port nitrous exress kit. 100 shot. its got a weigand john L. signature intake... but like i said the internals where left stock.
Old 02-25-2009, 02:42 PM
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numbers look great. If you test it tomorrow you Will have dif readings, if the engine has a dif temperature. The most importing thing is that they are as equal as possible. And they are good. Ready to go man.
Old 02-25-2009, 06:51 PM
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I would look a little deeper for some possible specs those numbers do seem a little low,unless the engine has aftermarket heads to drop compression for the charger.
Old 02-26-2009, 08:24 AM
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he told me the internals were stock but he didnt build it personally. he gave me the guys number at the dealership that he had the work done. i will call them today to get all the specs.
Old 02-26-2009, 08:25 AM
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thanks for yalls help i was a lil wary of unequal numbers but i didnt know they changed liek that. makes sense. nothings perfect.
Old 02-26-2009, 08:34 AM
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I think those numbers look really good. Being in the 140's I would suspect some low compression.


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