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| compression http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=2740 |
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| Author: | JD [ Tue Jun 23, 2009 6:46 am ] |
| Post subject: | compression |
I am finally getting her ready for the water. I put some hours on her in the drive way. I did a compression test . between 200 and 210 on 5 checks on each cyl. If you recall I had to rebuild due to a cam failing with just 1 hour on the water. We went with black water 20 thou over pistons, rods and cam. I am running evt roller rockers and springs.I had the flywheel balanced. Heads done by Harahan auto with over sized Manley valves. It runs smooth to 5000 rpm in the driveway. I will try to get her wet this week end and report back. What kind of compression are you getting and what mods have been done. JD |
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| Author: | Gator Guy [ Tue Jun 23, 2009 11:27 am ] |
| Post subject: | Re: compression |
I was seeing the same when mine ran, LOL. |
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| Author: | 50fps [ Tue Jun 23, 2009 7:30 pm ] |
| Post subject: | Re: compression |
170/155 on the compression. Heads are shaved .050 w/5 angle valve job and ported/polished/shimmed. Stock carb w/ 142-148 jets, stock intake. BPS crossover. 45cam, stock rockers and pushrods. |
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