what's a good 2bbl ford stock carb, for a pure stock 351w. non 4412. - Car Racing Forums at Circle Track Magazine Circle Track
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what's a good 2bbl ford stock carb, for a pure stock 351w. non 4412.

  
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what's a good 2bbl ford stock carb, for a pure stock 351w. non 4412.

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 02/21/10
08:35 PM

running a pure stock crown vic.351w with gt40pheads. need advise on a 2bbl stock ford carb. can be a holley but not a 4412. thanks guys.  

 
RLR-5124 RLR-5124
I watched NASCAR once | Posts: 24 | Joined: 01/09
Posted: 03/09/10
10:18 PM

motorcraft 2bbl same as holly and just as good , but stock for ford .  

 
tbirdtess tbirdtess
I’ve been to a few races | Posts: 85 | Joined: 02/09
Posted: 03/23/10
07:29 PM

Hello

I run a 1.23 2100 on my 351w + gt40p's
AOD + 3.90 open rear

 

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 04/11/10
08:41 PM

thanks guys  

 
tbirdtess tbirdtess
I’ve been to a few races | Posts: 85 | Joined: 02/09
Posted: 05/22/10
08:25 AM

Hello

So what carb did you end up with??

 

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 12/11/10
11:30 AM

went to junkyard picked up a few carbs. but need to rebuild.  

 
tbirdtess tbirdtess
I’ve been to a few races | Posts: 85 | Joined: 02/09
Posted: 12/11/10
07:16 PM

Hi

So what are the number on the fuel bowl?
under accel. rod.

I have A 1.23 right now. hoping to get A 1.33

 

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 02/15/11
07:42 PM

i just looked. i picked up 2 1.21 and a 1.23. i ran across another thread by you.i enjoy your help. i will be junkyard diving when snow melts looking 1.33s. thank you.  

 
tbirdtess tbirdtess
I’ve been to a few races | Posts: 85 | Joined: 02/09
Posted: 02/16/11
06:25 AM

Hi

1.33's found in early 60's(mine is a 63)
Look for Mercury's first.

 

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 02/20/11
06:59 PM

i just looked at my rules. they changed the rules to 380 cfm max and 1.25 venturie. i don't think 1.33 will work for me.  

 
waynep7122 waynep7122
I watched NASCAR once | Posts: 14 | Joined: 11/09
Posted: 02/21/11
11:17 PM

this is probably why there are 2 bbl carb restrictions... this was outlawed decades ago...   its a R6425

i will have to repost the picture..  sorry..

there was NO OEM application on this carb... it was strictly for circle track racing..

for those reading.. its an annular discharge venturi.. without any booster venturi's.. just a ring of feed holes around the narrowest part of the venturi bore..  unlike any other holley i have ever seen...   all have some kind of dogleg booster..  

 
boogford boogford
I watched NASCAR once | Posts: 6 | Joined: 02/10
Posted: 04/14/11
03:20 PM

what did that come out of?