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09-29-2016, 03:09 PM | #1 |
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Re: 1949 Chevy 3100 Build Thread
The engine and tranny are now between the frame rails. Mounts aren't welded just getting clearance issues sorted. It's definitely tight need a tranny tunnel but looks like everything will work out fine. Block huggers fit. There is room for the steering shaft although it's gonna be fun figuring out all the u joints because it's not a direct hit to the steering column. Crank pulley is about an inch from the steering rack. Sure feels good to have the engine between the rails
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09-29-2016, 03:19 PM | #2 |
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Re: 1949 Chevy 3100 Build Thread
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09-29-2016, 03:47 PM | #3 |
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Re: 1949 Chevy 3100 Build Thread
FWIW I used rubber bushings on the rack and had a bit of PS fluid leak and now the rack bushings are junk !
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09-29-2016, 04:31 PM | #4 |
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Re: 1949 Chevy 3100 Build Thread
borgeson is great stuff!
I am not a steering expert but is there a way to mount the spine side at the rack with a straight union and length of DD then just run two ujoints, one at the end of the DD and another at the column? seems to me that eveyone uses a center support and three u joints.
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09-29-2016, 08:32 PM | #5 |
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Re: 1949 Chevy 3100 Build Thread
joedoh, on my rack set-up I have a u-joint and the rack, then DD the a u-joint at the column, will try to get pics tomorrow. Each set-up is different, depending on headers column, etc...Jim
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09-30-2016, 03:56 PM | #6 |
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Re: 1949 Chevy 3100 Build Thread
Borgenson all the way. Drive mine every day and I'm glad I didn't cut costs with the steering when going 90 on the freeway.
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09-30-2016, 09:38 PM | #7 |
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Re: 1949 Chevy 3100 Build Thread
Subscribed
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10-11-2016, 11:12 PM | #8 |
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Re: 1949 Chevy 3100 Build Thread
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10-12-2016, 10:14 PM | #9 |
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Re: 1949 Chevy 3100 Build Thread
Great build! I like every decision. I had a couple of questions
In post 66 you decided to switch from frame-mounted master cyl & booster to firewall-mount--any particular reason? In post 94 you referred to "weldable nuts"--are you just talking about regular nuts welded on, or something special-purpose? |
10-13-2016, 12:47 AM | #10 |
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Re: 1949 Chevy 3100 Build Thread
I just didn't like the idea of my master cylinder being under the cab. My access panel will be covered with carpet and I don't want the hassle. In fact, I'm welding over the tranny access, battery cover basically everything in the cab.
As far as weldable nuts, there is such thing. I've used them extensively on this build. You can weld common nuts but you might breathe toxic fumes and they melt and are difficult to weld, I don't like to. |
10-15-2016, 12:41 AM | #11 |
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Re: 1949 Chevy 3100 Build Thread
Got the engine and tranny tacked in today. Hooker block huggers were going to make steering shaft problematic so I switched to cast hooker headers. Adequate room for steering shaft I think but did require a cutout on the passenger side frame.
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10-15-2016, 01:04 AM | #12 |
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Re: 1949 Chevy 3100 Build Thread
Feels good to have engine and tranny where they belong. Engine position is good. Don't need to recess my firewall but I will need to run corvette accessories since it's tight. My GMPP "muscle car" oil pan will not work. I've got 6" from the bottom of engine block to bottom of crossmember so I will need to run an f body oil pan. They are 5.7" deep so it will be just slightly higher than crossmember and will be protected.
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10-15-2016, 01:10 AM | #13 |
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Re: 1949 Chevy 3100 Build Thread
Transmission crossmember is another Scotts hotrods piece. I really like the center drop out feature.
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10-15-2016, 08:43 AM | #14 |
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Re: 1949 Chevy 3100 Build Thread
Looking good...Jim
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10-15-2016, 10:52 PM | #15 |
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Re: 1949 Chevy 3100 Build Thread
Looks very good! I had to do the same cut out on the right side frame.
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10-17-2016, 09:09 PM | #16 |
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Re: 1949 Chevy 3100 Build Thread
I really like your attention to details. Very nice.
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10-17-2016, 10:29 PM | #17 |
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Re: 1949 Chevy 3100 Build Thread
Nice progress! There are many times that I wish that I had stuck with the original frame. Keep up the good work!
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11-07-2016, 10:03 PM | #18 |
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Re: 1949 Chevy 3100 Build Thread
I tried my best to avoid a tranny hump but couldn't. With the engine exactly where I want it, a tranny hump was necessary. All I needed was 1" forward or down. If I brought the engine forward 1" (accessory fitment too tight to radiator even with corvette accessories) or down 1" even an f-body oil pan would be below my crossmember. Oh well no biggie I just liked the idea of a flat floor.
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11-07-2016, 10:10 PM | #19 |
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Re: 1949 Chevy 3100 Build Thread
Still not to shabby. Nice job.
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11-08-2016, 10:42 AM | #20 |
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Re: 1949 Chevy 3100 Build Thread
Nice work man
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11-11-2016, 03:35 PM | #21 |
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Re: 1949 Chevy 3100 Build Thread
Somebody needs to do a sticky on how to best fit an ls motor in these trucks. So far I've learned anything will fit with enough messaging but best to use f-body oil pan, corvette accessories and hooker cast headers. These allow for the most clearance and it's still tight!
Anyway, I installed the fbody oil pan and it fits much better. Working on my steering linkage now. Here are pics of my first attempt. It works but I'm not happy with it. Had to notch motor mount for shaft clearance. The angles on the double u joint are more extreme than it would be if I used 2 joints so I've got a couple more joints on order with summit. I'm getting mixed reviews on vibration isolators but for an extra $40 what the hell. |
11-11-2016, 03:43 PM | #22 |
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Re: 1949 Chevy 3100 Build Thread
The shaft support doesn't touch the headers maybe 1/4 or 1/2" clearance but like I said it's tight as hell.
And for the record it's much easier to graft a hoop onto an old wheel than to reduce the original. Here is a 54 wheel with 70s camaro hoop. The hub diameter matches the Ididit column nicely. Last edited by Flysocal; 11-11-2016 at 03:50 PM. Reason: Added picture |
11-11-2016, 06:27 PM | #23 |
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Re: 1949 Chevy 3100 Build Thread
Nice work! Do you have any details on the mod's to the steering wheel?
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11-12-2016, 02:22 PM | #24 | |
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Re: 1949 Chevy 3100 Build Thread
Quote:
On my second attempt I used a 1970 camaro solid plastic wheel (they also had soft plastic don't use it). Swapped the spokes with a 54 truck wheel. A little epoxy and much less sculpting. Much easier and better results. Lesson learned: don't attempt to reduce a wheel rather find a hoop with the correct diameter from a swap meet or ebay and graft the spokes!! |
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11-13-2016, 05:26 PM | #25 | |
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Re: 1949 Chevy 3100 Build Thread
Quote:
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