igw 4189 |
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garcia63
Member Joined: 20 Apr. 2021 Location: Texas Status: Offline Points: 23 |
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Posted: 18 Mar. 2023 at 6:57pm |
I bought a couple of IGW 4189 distributors from Les recently, thanks got them Les!. Anyone know what size are the fittings going into the vacuum chamber and the WO carb are? I’m am going to use regular brake line for the line. Using them on a 1948 cj2a.
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Oldpappy
Member Joined: 09 Apr. 2018 Location: Tennessee Status: Offline Points: 4815 |
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If you use a hard line (regular brake line), it will make timing adjustments difficult.
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If you can't get there in a Jeep you don't need to be there!
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garcia63
Member Joined: 20 Apr. 2021 Location: Texas Status: Offline Points: 23 |
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Appreciate the feedback. Why? What size or line type should be used to assist in timing? I haven’t seen a replacement line with any vendors.
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Oldpappy
Member Joined: 09 Apr. 2018 Location: Tennessee Status: Offline Points: 4815 |
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Why?
Ignition timing requires moving the distributor. A hard line will make distributor movement difficult. For this reason most vacuum advance lines are rubber. Vacuum line is available at just about any reputable auto parts store. Edited by Oldpappy - 18 Mar. 2023 at 11:50pm |
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If you can't get there in a Jeep you don't need to be there!
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garcia63
Member Joined: 20 Apr. 2021 Location: Texas Status: Offline Points: 23 |
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That makes sense. So I guess I need a rubber line and a couple of fittings to make my own vacuum line?
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Oldpappy
Member Joined: 09 Apr. 2018 Location: Tennessee Status: Offline Points: 4815 |
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Guess so. CJ2A didn't come with a vacuum advance distributor, so you have to make your own line.
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If you can't get there in a Jeep you don't need to be there!
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garcia63
Member Joined: 20 Apr. 2021 Location: Texas Status: Offline Points: 23 |
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Thanks for the help Old pappy!
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7923 |
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i made a fitting from a 3/16" piece of brake line and a double flare end then I used vacuum line to go to the port on my carb. Works very nicely.
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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garcia63
Member Joined: 20 Apr. 2021 Location: Texas Status: Offline Points: 23 |
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Thanks for the info!
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