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Kirkham Motorsports

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  #16 (permalink)  
Old 09-12-2016, 04:28 PM
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Join Date: Jul 2010
Location: McMurray, PA
Cobra Make, Engine: Superformance #522
Posts: 528
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[quote=Ace23;1403250]Congrats on your new motor it sounds like a great power plant. I can see why you desire a gear change as you probably have a great range of power whey my car did not. With the broad range of power that you have the 3.27 will probably work great for you.

Maybe I am thinking about this incorrectly but when you go from 3.90's to 3.27 isn't your motor going to unwind quicker? My car with the 3.31 would drop rpms very quickly and i was really noticable in the 1-2-3 shift aroud town. I have been advised to keep the aluminum flywheel if I go with 4:10's

I spoke to Craig about his solid mounts and he said he did not advise using them on a street car used for cruising IF the sound of the differential clunking around would be noticed as it could be irritating to some. Have you experienced this with your upgrade?[/QUOTE








Yes, there is some additional noise due to the solid mounts. Only noticeable when coasting in neutral, 3 inch mufflers mask it well. I love the aluminum flywheel, but shifting is VERY busy when combined with 3.90s.
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