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Old 03-18-2005, 07:45 AM   #1 (permalink)
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Carb Question?

Is anyone running a weber 32/36 on a 2F motor.I have a friend that is selling one pretty cheap so I need some information on it.I did a search allready and some people said they work fine and some say they dont and that I need a 38 for this motor.Its for a desmogged 83 fj60. I have a holly on it right now but I am tired of tuning it all the time and I had a weber before on a VW that ran great.
Before you say go back to stock dont bother. The aftermaket Holly,even with its problems runs so much better than the original ever ran.I also like the extra horsepower.Thanks
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Old 03-18-2005, 09:51 AM   #2 (permalink)
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I've got a Weber on the shelf right now that I just pulled off of an 83fj60 that went back to a Mark's Off Road modified Aisan carb.

If you really want a weber, you can make me an offer.

Yes it is true that the stock FJ60 carbs seem weak in the HP department compared to the toilet bowl Holleys and Webers. But the Aisan has room for improvement, and already has superior idle, off road and mileage characteristics.

If you're never gonna wheel the rig, then do whatever you want.
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Originally Posted by lc tpi
...if I have to buy them from Trail Gear I guess I dont need them.

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Old 03-18-2005, 12:39 PM   #3 (permalink)
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Since you've already got the Holley adapter on there, I'd suggest using a Motorcraft 2bbl. It uses the same adapter. They work great and are cheap, plentiful and easy to build. It's what I run on my 2F.
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Old 03-18-2005, 01:02 PM   #4 (permalink)
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Is it the 2150 your talking about?They have them new at autozone for 99 with a 30 dollar core charge.Are they easy to adjust and how is the horsepower with it?Thanks
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Old 03-18-2005, 01:10 PM   #5 (permalink)
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Quote:
Originally Posted by 65SWB45
I've got a Weber on the shelf right now that I just pulled off of an 83fj60 that went back to a Mark's Off Road modified Aisan carb.

If you really want a weber, you can make me an offer.
.
How did it run with the weber and what model is it?Also how much do you want for it? I can through in my old aisan if you want it. It was running when I pulled it about 2 years ago.
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Old 03-21-2005, 08:19 AM   #6 (permalink)
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Quote:
Originally Posted by jnynuke
Is it the 2150 your talking about?They have them new at autozone for 99 with a 30 dollar core charge.Are they easy to adjust and how is the horsepower with it?Thanks
I think that's the one. Mine is from an early Bronco with a 302. I'd say powerwise it feels a little stronger than the worn out Aisin that was on it. The best thing is that it works so well off road and it starts and idles great. And it was cheap.
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Old 03-21-2005, 08:40 AM   #7 (permalink)
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The weber 38/38 is a better choice for a 2F than the 32/36. Neither match the cfm of the aisn appropriate for that motor. The 32/36 could be made to work I suppose...I've heard good things about the motorcraft, but have not tried one myself. I trust Jason's view as a "discriminating driver," and he deos wheel his junk, so I'd have to say it works offroad well.
65swb45 has a good rep as a carb guy, so any dealings you have with him should prove successfull for you.
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Old 03-21-2005, 11:38 AM   #8 (permalink)
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If you're REALLY interested in the Weber, tell me what to look for to tell the difference between the 32 and the 38 cause those things all look the same to me!

Heck ya I'd give you credit for the stocker.
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Originally Posted by lc tpi
...if I have to buy them from Trail Gear I guess I dont need them.

65SWB45, 64LWB45, 68FJ40, 72VJ40, 76K5, 73Sub454, 97Sub5.7, 2002 Trailblazer

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Old 03-21-2005, 11:46 AM   #9 (permalink)
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32/36 will work for a 1F, but is too small for a 2F.
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Old 03-21-2005, 11:48 AM   #10 (permalink)
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Hey 65swb45;
38/38 both barrlelare same sized, and both open at the same time. 32/36 will have one barrel smaller than the other, and the small one opens first...
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Old 03-21-2005, 10:37 PM   #11 (permalink)
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Quote:
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Hey 65swb45;
38/38 both barrlelare same sized, and both open at the same time. 32/36 will have one barrel smaller than the other, and the small one opens first...
That would mean that if it had two sets of gears that meshed like a window regulator, that would be the 38mm right?
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Originally Posted by lc tpi
...if I have to buy them from Trail Gear I guess I dont need them.

65SWB45, 64LWB45, 68FJ40, 72VJ40, 76K5, 73Sub454, 97Sub5.7, 2002 Trailblazer

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Old 03-22-2005, 04:55 AM   #12 (permalink)
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Yep, I believe that to be the case...
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Old 03-23-2005, 10:01 PM   #13 (permalink)
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Got a pic. I guess it is the 38mm.
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Originally Posted by lc tpi
...if I have to buy them from Trail Gear I guess I dont need them.

65SWB45, 64LWB45, 68FJ40, 72VJ40, 76K5, 73Sub454, 97Sub5.7, 2002 Trailblazer

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Old 03-24-2005, 04:56 PM   #14 (permalink)
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It looks pretty nice.Was the electric choke hooked up on it and if so where was it wired to.I picked up 32/36 really cheap but Ive heard it wont run that good on my truck so the 38 seems like a better option. How much do you want for it?
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Old 04-06-2005, 11:48 AM   #15 (permalink)
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Quote:
Originally Posted by jnynuke
It looks pretty nice.Was the electric choke hooked up on it and if so where was it wired to.I picked up 32/36 really cheap but Ive heard it wont run that good on my truck so the 38 seems like a better option. How much do you want for it?
I know we talked, but are you still serious. Thinking about posting this elsewhere. Let me know.
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Originally Posted by lc tpi
...if I have to buy them from Trail Gear I guess I dont need them.

65SWB45, 64LWB45, 68FJ40, 72VJ40, 76K5, 73Sub454, 97Sub5.7, 2002 Trailblazer

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Old 04-06-2005, 03:10 PM   #16 (permalink)
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I had never come across the specs on a Aisin before, but in some FSM I found that the early-mid 70s 2 barrel Aisan carbs were 38/38
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Old 04-06-2005, 03:54 PM   #17 (permalink)
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The 38 38 refers to the size in mm of the throttle plates. A 32 36 has one that is 32 and the other is 36.
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