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Coverting 4160 to 4150

 
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robins44
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Joined: 29 Dec 2007
Posts: 632

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PostPosted: Thu May 20, 2010 9:14 pm    Post subject: Coverting 4160 to 4150 Reply with quote

Looking for a nice kit with billet metering blocks. Only able to find holley kits with there metering blocks. Whats included in the kit anyways? Could i just buy a metering block and longer bowl screws?



Cody
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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Thu May 20, 2010 11:20 pm    Post subject: Reply with quote

Your pretty much have it. I converted my 3310 vacuum secondary years ago with the Holley kit. Metering block, gaskets, bowl screws and jets (#76 in my case). You might have to go to a hardware supply house to get the screws. They are #12 which isn't a popular size. Most likely you aren't going to notice a night and day difference. I don't have any hard data to tell you - good or bad. I didn't have a wide band O2 back then, but it did run the best e.t. jetted a little richer on the secondary than the 76 jets Holley sent. Clay
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robins44
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PostPosted: Thu May 20, 2010 11:36 pm    Post subject: Reply with quote

ya im pretty much doin it for tunability and my nitrous brakets that are the throttle return and solonoid mount work better with the 4150s', makes taking the fuel line on and off a pain. Ill have to take her off and tear her down and let ya guys know whats in there for jets right now, and maybe i can get to fine tuning it!
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