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502 compression specs

Old 09-28-2015 | 02:48 AM
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From: Between A Womans Leggs in IL
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Originally Posted by Baja170
Most of the guys I talk to say leakdown is just as important as compression and when they did your compression check did they oil anything or go back with compressed air to see where the leak was? Just curious, I am no expert but I have a lot of toys I have been dealing with for years.
i have seen similar numbers on every 502 i work on..they need to get hot to get good numbers and the butterfly wide open..
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Old 09-28-2015 | 06:10 AM
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From: bel air, md
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Livorsi also had a kit that they used a Procharger. This was back b4 Procharger ever had a marine side.
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Old 09-28-2015 | 07:26 AM
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Originally Posted by dp9650
I have photos, I wish I could figure out how to post them. It is a twin setup, two air pipes, one from each blower. Absolutely positive. I have never seen anything like it.
Interesting. You can post the pics on photobucket and link them here.
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Old 09-28-2015 | 07:26 AM
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Originally Posted by FIXX
i have seen similar numbers on every 502 i work on..they need to get hot to get good numbers and the butterfly wide open..
X2...especially if the boat has been sitting.
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Old 09-28-2015 | 07:51 AM
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From: Grass Valley, Oregon
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Thank you for the responses, gives me a little more to go on.
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