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Converting 750 to 950? #699165
05/16/10 03:08 AM
05/16/10 03:08 AM
Joined: Jan 2003
Posts: 6,266
Renton Washington
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Triple Threat Offline OP
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Triple Threat  Offline OP
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Joined: Jan 2003
Posts: 6,266
Renton Washington
I currently have a Holley 4150, 750DP, 4 corner,with a HP main body.

I've heard that these two carbs share some of the same specs. Can my 750 be converted to a 950 with new metering blocks, baseplate and or additional parts? I'm gonna be needing some more flow with the new stroker. Just looking at my options here.


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Converting 750 to 950? [Re: Triple Threat] #699166
05/16/10 03:18 AM
05/16/10 03:18 AM
Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY Offline
Truck Nut
340SHORTY  Offline
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Joined: Aug 2003
Posts: 12,291
Kent, Wa
I think the venturies in the main body are smaller in the 750 than the 950..


I am truckless..
Re: Converting 750 to 950? [Re: 340SHORTY] #699167
05/16/10 10:18 AM
05/16/10 10:18 AM
Joined: Oct 2003
Posts: 339
Wisconsin
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BIGS Offline
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BIGS  Offline
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Posts: 339
Wisconsin
Dustin....here's the breakdown....

CFM Vent at top X Butterfly Dia

750 1.375 X 1.720
950 1.375 X 1.750

The difference is the main body of a true 950 actually opens up to the 1.750 to fit the 1.750 baseplate of the 950 carb....

If you just install the 950 body on your baseplate there will be a step at the baseplate because your plate is 1.720 and the body is 1.750 at the bottom....

you need a baseplate and body then your ok.....Jesse @ BIGS!!


Jesse & Lynn BIGS Performance Products Building Street/Strip Carburetors since 1974 www.bigsperformance.com
Re: Converting 750 to 950? [Re: BIGS] #699168
05/16/10 12:03 PM
05/16/10 12:03 PM
Joined: Jan 2003
Posts: 6,266
Renton Washington
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Triple Threat Offline OP
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Renton Washington
Thanks Jesse. Metering blocks are the same?


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Converting 750 to 950? [Re: Triple Threat] #699169
05/16/10 10:16 PM
05/16/10 10:16 PM
Joined: Oct 2003
Posts: 339
Wisconsin
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BIGS Offline
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Joined: Oct 2003
Posts: 339
Wisconsin
No Dustin their not the same.....but can work as is......allot of guys do it....its not optimum but will work......Jesse


Jesse & Lynn BIGS Performance Products Building Street/Strip Carburetors since 1974 www.bigsperformance.com






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