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 Post subject: Carbies
Posted: Wed Jan 21, 2009 8:58 pm 
Oompa Loompa
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Ride: BA XR6T, 01 DRZ400E, 08 YZ250

Location: Hoppers Crossing
VIC, Australia

Ive got an XA ute with a stock 351 clevo. I was wondering what would be the best 2 barrel carby to put on it?? Thanks
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Posted: Wed Jan 21, 2009 10:42 pm 
Getting Side Ways
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Ride: EL F100 CAPRI XR EF

Power: 234 rwkw

Location: brighton
SA, Australia

years ago i had a stock zf fairlane with 351 c4, had a 350 holley. used to whip my mates hq stato with a hot 308 and 600 holley by 5-6 car lengths at the end of the 1/4 mile.
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Posted: Thu Jan 22, 2009 5:57 pm 
Oompa Loompa
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Age: 28

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Ride: BA XR6T, 01 DRZ400E, 08 YZ250

Location: Hoppers Crossing
VIC, Australia

cool thanks for that
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Posted: Thu Jan 22, 2009 7:45 pm 
Oompa Loompa
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Location: melbourne
VIC, Australia

Go the holley 500. 350 a bit on the small side for a 351 even in stock form
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Posted: Thu Jan 22, 2009 8:15 pm 
Oompa Loompa
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Location: melbourne
VIC, Australia

A 6000ccm engine at 100% volumatic efficiency will require 500cfm at 5000rpm . A 350 would only be good to 3500 rpm on said engine, or about 4000rpm on 351. Peak power on xa 351 in stock form happens at about 4500rpm. Best to get a 4 barrel holley 600 vac. Better bottom end torque more top end. On a stock 351 xc the 600 was worth 5 rear wheel kw over the 500 and much better fuel economy
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 Post subject: Re:
Posted: Fri Feb 13, 2009 6:03 pm 
Getting Side Ways
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Age: 49

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Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

chipyyyy wrote:
A 6000ccm engine at 100% volumatic efficiency will require 500cfm at 5000rpm . A 350 would only be good to 3500 rpm on said engine, or about 4000rpm on 351. Peak power on xa 351 in stock form happens at about 4500rpm. Best to get a 4 barrel holley 600 vac. Better bottom end torque more top end. On a stock 351 xc the 600 was worth 5 rear wheel kw over the 500 and much better fuel economy


Why is it that Ford used Thermoquads that flowed somewhere in the 700 to 800 cfm range????

 

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 Post subject: Re: Carbies
Posted: Sat Feb 14, 2009 1:24 pm 
Getting Side Ways
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Age: 49

Posts: 1634

Joined: 8th Jul 2007

Gallery: 21 images

Ride: EL F100 CAPRI XR EF

Power: 234 rwkw

Location: brighton
SA, Australia

my zf made good power up to 5500rpm. i used both a recond 350 and recond 500 on the fairlane, 350 has the same size butterlys as a 600vac it had good power and economy for daily driving, the 500 was better for top end,flat out style driving, the 500 holley had a slower response time and used much more fuel on my motor,the butterflys are same size as a 750. if you are considering a 4 bbl conversion later and if you are carrying lots of heavy loads up hills etc, i would suggest you go for a 600 vac or if you were going to do some work in the future maybe a 750 vac.
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 Post subject: Re: Carbies
Posted: Sat Feb 14, 2009 1:26 pm 
Getting Side Ways
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Age: 49

Posts: 1634

Joined: 8th Jul 2007

Gallery: 21 images

Ride: EL F100 CAPRI XR EF

Power: 234 rwkw

Location: brighton
SA, Australia

my zf made good power up to 5500rpm. i used both a recond 350 and recond 500 on the fairlane, 350 has the same size butterlys as a 600vac it had good power and economy for daily driving, the 500 was better for top end,flat out style driving, the 500 holley had a slower response time and used much more fuel on my motor,the butterflys are same size as a 750. if you are considering a 4 bbl conversion later and if you are carrying lots of heavy loads up hills etc, i would suggest you go for a 600 vac or if you were going to do some work in the future maybe a 750 vac.
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 Post subject: Re: Carbies
Posted: Mon Feb 16, 2009 11:27 pm 
Stock as a Rock
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Joined: 4th Jul 2007

Ride: eb

Location: callala bay
NSW, Australia

don't use a holley on a clevo,get yourself a Edelbrock AFB 625 CFM carb,they are the dog's nuts on a cleveland.
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