You helped me identify my early 3310 - 4150 series carb and there was a question about what renew kit to use. If I used the 37-485 kit and ordered the necessary gaskets for the 4150 secondary metering block, would that work? Thanks again
The 37-485 has gaskets for both 4150 & 4160 type Holleys. As I said in the other thread, though, due to the age and the original application of your particular carburetor, I'd call Holley directly & ask. Chances are that the 37-485 will work, but Holley has made running changes over the years and it wouldn't surprise me to find that you need that older 37-1539 kit for some reason. BTW, the 37-485 does NOT include the secondary diaphragm- and neither does the 37-754 kit(4160 only)- so you will have to get it separately. I believe the 37-1534 kit does, but again, it's twice the price. The diaphragm is probably going to be 135-4, but again you may want to check this also with Holley. The diaphragm is something like $10, so it's still a lot cheaper, even buying it separately, than buying the old 37-1534 kit- IF you can get by without using that kit.
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