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12-25-2006, 04:42 PM
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#1 |
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Registered User
Join Date: Sep 2006
Location: Churchill Falls, Labrador, Canada
Posts: 88
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carb swap???
from what i know, which isn't a lot
 , i can't just swap a 2 barrell carb for a 4 barrell carb. theres something else i needs and im thinking its the intake manifold. if anyone can tell me if im right or anything else i needs that would be great. Everyone have a great Christmas from your friend up north.
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FRIS_94 |
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12-25-2006, 05:20 PM
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#2 |
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7000 #'s of american IRON
Join Date: Dec 2004
Location: north tx
Posts: 883
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Re: carb swap???
yes, the 2 intakes are VERY different. plus linkages and a host of other stuff.
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12-25-2006, 05:37 PM
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#3 |
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Registered User
Join Date: Oct 2006
Location: alabama
Posts: 79
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Re: carb swap???
you can use a 2bbl to 4bbl adapter, i never use 1 but i have heard some people say they burn pistons useing them
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12-26-2006, 11:48 PM
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#4 |
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Registered User
Join Date: Jun 2006
Location: WVa
Posts: 758
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Re: carb swap???
dont know how it would unless they had there carb lean.......you can get the adapter plates for aboyt 20 bucks from www.speedwaymotors.com
Sahne |
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12-27-2006, 01:35 PM
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#5 |
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Stepsides RULE
Join Date: Jul 2004
Location: Pineville, LA
Posts: 1,921
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Re: carb swap???
Yes it involves changing intake manifolds, and you have to do some fabricating for the throttle linkage as well as the kickdown linkage (if you areusing an automatic transmission). In the grand scheme of things it is theoretically an easy swap. However if you've never done it before, its definately an entire weekend job with a few headaches along the way. Definately worth the headache, though.
If I can make a suggestion, go with the manual choke. Its been a PITA tweaking this electric choke and its still not right. But man the increase in power 
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1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord |
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12-27-2006, 05:53 PM
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#6 |
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Spear and magic helmet!
Join Date: Oct 2006
Location: Nashville, TN
Posts: 1,226
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Re: carb swap???
 I would totally go with the manual choke on the carb. Granted, winter in TN isn't nearly as bad as winter in Canada but it sure is a lot easier to adjust than an electric one. I did a swap from a 2bbl to a 4bbl on my 78 350 stepside on the second day I owned it. Aside from the actual carb (Edelbrock Performer), I needed a new intake (Edelbrock Performer again), a kickdown stud kit from Edelbrock, and a generic adjustable linkage kit. Oh yeah, and some gaskets and RTF. Took me a couple hours to do, and I'm not a mechanical person at all. Biggest things to remember are the orientation of the distributor when you take it out. I marked mine on the shaft and firewall to eyeball them back into the same spot when you put it back in. Also, get the gasket mating surfaces really clean of old gasket material. It wasn't hard, dude. If I can do it, you can.
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-- Will |
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12-27-2006, 09:33 PM
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#7 |
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Registered User
Join Date: Jun 2006
Location: WVa
Posts: 758
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Re: carb swap???
   There's my current setup......600 cfm Edelbrock carb(If I had it to do ove again I would have went with a Holley), inch spacer plate,performer eps intake.  Flowtech 11500 headers were worth about 3mpg (along with new bosch platnum plugs old bosh platnums had about 10k on them and were fine just changed them while we were there) Shane Last edited by 7387chevys; 12-27-2006 at 09:34 PM. |
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