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Trimming CB-00006 number 2 baffle for EXP-119

1949MGTC

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When I’m running 65% power LOP number 2 cylinder on my EXP-119 is running 20 to 30 degrees warmer than the other three cylinders. Has anyone had this same issue and if so how much of the CB-00006 baffle did you trim?

Thanks,
Bill
 
I started by placing a small washer between the baffle and cylinder to allow cooling air to get into the lower fins. On my RV-7 that helped a little. I then trimmed about 1/2" - 5/8" off the top of the baffle. My #2 is cylinder is now in line with the other cylinders and normally the coolest by a few degrees. I also have moved my cooler behind # 3 and only take the cabin heat of the original rear baffle. That also helped. Just do a smaller cut and test the cooling. I used a scrap piece of steel between the baffle and cylinder while cutting with a Dremel.

Rocky
 

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  • #2 Baffle Trim.jpg
    #2 Baffle Trim.jpg
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Over time, I slowly removed all of vertical section except a small portion to protect the injector. That helped a lot.
 
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