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2F holley carb mod?

Tech Talk for Cruiser owners.

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Posts: 23
Joined: Fri May 06, 2005 9:00 am
Location: New Zealand

2F holley carb mod?

Post by wopass »

ok, i have a 40 :D iits the freekin best machine in the world :armsup: i have run it in standard 2F trim for 6000years :cool: cos its that old :? AND I JUST CANT KILL IT NO MATTER HOW HARD I TRY !

i now want to bolt a 2 barrel holley on it as i have heard this is one of the most popular and best mod to do to the power side of things and gets great results, so...

Q:what size 2 barrel is best ? i have been told the 350cfm is the go ?
Q:can someone who has done this post some pictures here for me please?
Q:the offroad kit for the holley, i have heard conflicting stories about them, some say they work fine and other people say they are shit ?

all info welcome :D

ohh, i have my standard 2F carb off sitting on the bench so i want to do this now :armsup:

:twisted: :twisted: MORE POWER :twisted: :twisted:
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If you allready know everything, DONT ask fcuking Questions!!
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Joined: Wed Mar 03, 2004 9:14 pm
Location: nsw

Post by plowy »

ive heard that the best carby is the original one esecially for offroad use
were as the holley is needing frequent tuning and is crap offroad in regards to the fuel bowl keepin enough supply to run it


otherwise a sweat rig mate oh other option GO A DIESEL :armsup: :armsup: :armsup:
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Joined: Mon Dec 09, 2002 10:25 am
Location: Canberra

Post by Roktruk »

I had a Holley 350 on the 2F - spent a day on a chassis dyno with a box of jets and power valves to tune it spot on. Heaps of power, sh!t on economy. BUT...point it more than about 15 degrees up a hill and it would flood. Left me hanging 1/2 way up Wombat Spur in a very nasty spot. Used to flood on the Stockton dunes. Eventually went back to a standard carby with the fuel return pipe, and an air cleaner from the NSW models (why they were different I don't know). This is large flat unit that sits on the rocker cover. This also made fitting the dual battery under the bonnet easy, using the tray from a Diesel 40.

Apparently mounting them backwards works, but is a nightmare on the linkages. 253 Quadrajet is ok, too, coz the fuel bowl is centrally mounted
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Post by DIRTY ROCK STAR »

so is a 250 Holley too small in most opinions??

what cfm rating is a standard carby on a 2F?

my 2F seems to stall up hills anyways, although i find giving it a bit of hand throttle seems to help, is this common and anyway to overcome it or do i keep pulling on the handthrottle??

cheers...
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Post by Busiboy »

I am looking to get rid of my holley and am looking and a rochester or gas.

I have a 307 though :armsup:

Best power fix ever
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Joined: Fri May 06, 2005 9:00 am
Location: New Zealand

Post by wopass »

Busiboy wrote:I am looking to get rid of my holley and am looking and a rochester or gas.

I have a 307 though :armsup:

Best power fix ever
well..... after a lot of heart ache and humming and harrring... i replaced the old standard 2f carb :cool: for a 600 holley and 350 chev :armsup:

so cool.... should have done it years ago :roll:
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