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Is F-150 Still King?
 
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  #31 (permalink)  
Old 06-29-2009, 05:22 PM
300/6 Freak 300/6 Freak is offline
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thanks for the link. my brain is on new info for old carbs I love it LOL
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Old 06-29-2009, 08:09 PM
F-250 restorer F-250 restorer is offline
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4100

No prob.

If you do decide on a 4100, I'll burn a copy of the Pony Carbs installation dvd and send it to you. Most of it is basic stuff, but some is really good and highly needed.

The reason I mentioned that about the floats: They are more than forty years old. I like to replace all floats after the 40 year warranty has expired. It's just a good preventative move.

The sleeves I mentioned are simply synthetic cones that slide into the primary venturi, reducing them from 1.12 to 1.00.
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Old 06-29-2009, 08:18 PM
300/6 Freak 300/6 Freak is offline
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well thank you. I am starting to like the idea of the autolite carbs. I have been reading about them and I have really not read anything bad about them.


are the carbs on top of the ford v-8's autolite carbs and is there any thing to look out for when buying one.
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Old 06-29-2009, 08:30 PM
F-250 restorer F-250 restorer is offline
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4100

Quote:
Originally Posted by F-250 restorer View Post
I don't know if you can buy those floats from a parts house. I know they are available because I have two new synthetic ones in my carb. I know Pony Carbs sells them for about $22 a pop. But they are expensive. I have 4-6 of 'em in my garage. If you can't find replacements, I'll mail you a couple at no charge, you cover the postage, which should be less than $5.

I've been buying and rebuilding them and selling them on ebay for a while now. They are prized for restorations on the classic mustangs, and also because of all the hooplah put out by Pony Carbs.

One note: You might want to send an email to Pony Carbs and see if they sell the 'sleeves' for the 1.12 venturi 4100 models, making them a 'spreadbore.' That way you could buy one of the more common 1.12's, and the primaries would be smaller--1.00--but you'd have the big secondaries for those 'highschool moments.'
That would mean GREAT milage cruising around town, with neck snap accelleration. If you go that route, get one with the short 'snout'. Look at the carb from the throttle linkage side. There is a linkage arm which connects to the throttle. That is the accerator pump arm. They made those carbs with long and short housings. You want the one with the short accellerator pump housing, about 3/4" long.

Good luck.
The 1.08 venturi came on 289 v8 mustangs, fairlane, comets, falcons. They also put them on larger v8's for emissions reasons.

Holley carbs are much more common, and it would probably be easier to find parts other than what comes in the rebuild kits.
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Old 06-29-2009, 08:32 PM
F-250 restorer F-250 restorer is offline
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video

www.classicinlines.com

When the first page opens you'll see links for dyno tests using different Holley's and 4100's on the same engines. The results are quite impressive.
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