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Author
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Topic: Holley Proform main body
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Big D
Gearhead Posts: 5249
From: WELLS, NEVADA USA
Registered: Nov 2000
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posted 06-22-2004 06:07 PM
   
Are any of you guys using or had experience with the Proform Main Body # 67100C for Holley 650-750 DBL PUMPERS..They sure talk em up good.. Are they worth the $$$ (about $100).. ------------------
Don
6T6 Fastback
331 STROKER,, WC T-5
Royal Blue Metallic w/Ghost Flames
http://mustangsandmore.50megs.com/MembersPics/BigD.html
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Glens67
Gearhead Posts: 477
From: Petaluma
Registered: Mar 2002
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posted 06-22-2004 07:24 PM
Big D I had good experience with the one that I built. My Chevy buddy had even better luck with it. He liked it so much he paid me $300.00 for the carb.(I put it togeather with spare parts that I had). The 428 needed more air than the 750 would pass. I'm running a 830 now. You will have some fitting to do around the base plate especially if your plate has the vac power brake port. A little grinding and tweeking and they work great. They even supplied non-stick gaskets and 2 size larger jets.------------------
Glen
67 GT 390
65 Galaxie 500 XL 4 Speed
It was not a Red Light they gave me a Slow Tree
I WAS NOT LATE the Tree was Fast
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capri man
Gearhead Posts: 6652
From: doerun, ga.
Registered: Nov 2000
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posted 06-22-2004 09:21 PM
don, i got one and i cant complain about it. i cant brag on it either. it works fine but i think the claims of more horsepower are a bunch of bullcrap. if you were running a terrible carb and switched to the proform, you would probably see a big gain. but if you already have a decent carb, you probably wont notice much if any difference. but heck for $100 it looks cool,(just take the made in tiawan sticker off of it!} has adjustable air bleeds and the 4 jets and gaskets you get with it are worth $20-$25 bucks!!  ------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 06-22-2004 09:46 PM
Don,I've never bothered with one. I think the 700 dp'r you got will be just fine on your 331w.  SteveW
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 06-22-2004 09:51 PM
Don, your looking for more carb already  Are you that worried about me beating you.  ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Big D
Gearhead Posts: 5249
From: WELLS, NEVADA USA
Registered: Nov 2000
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posted 06-23-2004 12:03 PM
Not worried at all,, Because you haven't got your new carb.. Besides there is one on ebay for cheap.. Don [This message has been edited by Big D (edited 06-23-2004).]
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wildfire466
unregistered
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posted 06-24-2004 01:01 AM
Hey,
Two things about the Proform carb. Onetime I heard of a booster came loose and destroyed an engine. The other is I feel the adjustable idle air bleeds in the Proform carb is a big improvement. The reason I say this is cutting off the choke horn on a Holley can disrupt the air flow. There isn't a way to correct this unless you have the ability to drill the air bleeds. Anyways here is the deal, if you use a 650 vac carb and go to Proform you wind up with a 750 after upgrade. If a 750 is too much carb then do use the proform main body. You have to read the fine print and you see what I'm talking about. http://www.proformparts.com/catalog/carb.html Les ------------------
http://www.geocities.com/wildfire1mustang/
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Fastymz
Moderator Posts: 19583
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 06-24-2004 01:41 AM
quote:
Originally posted by Big D:
Not worried at all,, Because you haven't got your new carb.. Don [This message has been edited by Big D (edited 06-23-2004).]
Yeah I noticed that too Watch that Ebay
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SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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