Best carbs to run on victor ram.
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Best carbs to run on victor ram.

  1. #1
    Senior Member schiada flatty's Avatar
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    Default Best carbs to run on victor ram.

    I got a solid roller 427 with 990 heads L88 pistons. (10:5-1 comp with a 650 lift cam. Engine was running a team G intake and a 850 dp. Just wondering if I buy a new victor ram what would be the best size carbs to run for my application. It's going back in my Hondo flat with 19s. Also want to just run her on pump gas.
    At $100/ hp plus injection oil it's just to expensive to go that slow!

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    Bostick Racing Engines six-oh-nine's Avatar
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    I always seemed to have the best luck/tuneablity/driveability with the 6109 750's... they work pretty good on the smaller engines.
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    gn7
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    Like six-oh-nine said, the 6109 750 is a great all around carb for the T ram. But they are no longer available new. The 4779 is as close as you're going to get with a new carb. Personally I like the list 0-82951 HP950. Holley rates it as a 950 but its really nothing more than a 750 body with a 850 base plate. Its one the best all around carbs Holley makes.
    The 6109 has side pivot floats and can be mounted inline like a 660, whereas the 4779 and 0-82951 have center pivot dual feed bowls and have to be mounted side ways. The Victor ram bolt pattern doesn't allow for the carbs to be mounted sideways and requires either adaptors or the top's carb mounts drilled and tapped to allow it.



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    Senior Member Bubbletop409's Avatar
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    Quote Originally Posted by gn7 View Post
    The Victor ram bolt pattern doesn't allow for the carbs to be mounted sideways and requires either adaptors or the top's carb mounts drilled and tapped to allow it.
    Or you could buy one of Carnavilrides custom billet tops to go along with your new manifold and carbs. Just buy the base commerically, and add a billet top.
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    Senior Member TNYoungblood's Avatar
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    I've had good luck with my QF 750s
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    gn7
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    Quote Originally Posted by Bubbletop409 View Post
    Or you could buy one of Carnavilrides custom billet tops to go along with your new manifold and carbs. Just buy the base commerically, and add a billet top.

    Just think of it as one piece carb adaptor



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    Quote Originally Posted by gn7 View Post

    Just think of it as one piece carb adaptor
    With a built in " Super Sucker transition " from 4 hole to 1
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    Wow guys, I'm surprised at all of your recommendations, cuz I know you're all quite knowledgable. Your telling him to put + or - 1500 cfm on a 10.5-1 427??? He may want this T/R just for the bling factor, but 1500 cfm and a now much larger manifold plenum will make it tuning nightmare. Remember that OTHER tread that went 9-10 pages?
    Example, several years back I had a TR 468 BBC in a Sanger flat with 660's. Ran great on top (race carbs, right) but skiing/idling they suck. It spun an 18 gear 6400. I bought 2 brand new 450 cfm Holleys, jetted them up from I think 58 to 62 and guess what..........they idled beautifully and it still spun 6,400. Personally, I would leave the single 850 on it. JMO, Jocko

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    Senior Member vmaxed's Avatar
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    Default 6109's

    Mike don't you have a pair of 6109's for sale. Mine work very good
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    Senior Member schiada flatty's Avatar
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    Thanks for all the info guys. I would like a tunnel ram and dual quads for the bling look but still have it perform as good as the single double pumper. I definitely don't want it over carbed and bog out the hole. My brother has a street ram with dual 750 edelbrocks on a oval headed 468 with less comp and it ran great. I was wondering in a vacuum secondary Holley 750 would perform good. Just take the chokes out. There real cheap $300 bucks and aluminum.
    At $100/ hp plus injection oil it's just to expensive to go that slow!

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    gn7
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    Quote Originally Posted by jockorace View Post
    Wow guys, I'm surprised at all of your recommendations, cuz I know you're all quite knowledgable. Your telling him to put + or - 1500 cfm on a 10.5-1 427??? He may want this T/R just for the bling factor, but 1500 cfm and a now much larger manifold plenum will make it tuning nightmare. Remember that OTHER tread that went 9-10 pages?
    Example, several years back I had a TR 468 BBC in a Sanger flat with 660's. Ran great on top (race carbs, right) but skiing/idling they suck. It spun an 18 gear 6400. I bought 2 brand new 450 cfm Holleys, jetted them up from I think 58 to 62 and guess what..........they idled beautifully and it still spun 6,400. Personally, I would leave the single 850 on it. JMO, Jocko
    Did you just compare a stone age POS , that from the day it was introduced as a 100% pure drag race 660 to a modern day Holley HP?
    Sorry Jocko, no comparison. The 660 was a shit pile the day they delievered the first one. Even the older 6109 is a VAST improvement over the 660 on a very mild 427.
    They never built a engine, regardless of size, that worked WELL as a lake/river/ski boat with the god forsaken POS.



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    Last edited by gn7; 11-22-2012 at 01:13 PM.

  14. #12
    gn7
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    Quote Originally Posted by schiada flatty View Post
    Thanks for all the info guys. I would like a tunnel ram and dual quads for the bling look but still have it perform as good as the single double pumper. I definitely don't want it over carbed and bog out the hole. My brother has a street ram with dual 750 edelbrocks on a oval headed 468 with less comp and it ran great. I was wondering in a vacuum secondary Holley 750 would perform good. Just take the chokes out. There real cheap $300 bucks and aluminum.
    If vac carbs are a consideration, yes they will work. With 2 750s or even 650s, you're going to need lighter springs on the secondaries. The secondaries are open by a velocity induced pressure drop and it will be cut roughly in half. I would if you go this route you invest in quick change tops for the vacuum canister, and a couple spring Trick Kits. Also, be sure to tie the 2 vacuum canisters together with a vacuum balance tube.



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    I just bought a used pair of 6109's just to have. They worked great on anything we ever put them on.

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    gn7
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    Quote Originally Posted by VD Cruiser View Post
    I just bought a used pair of 6109's just to have. They worked great on anything we ever put them on.
    I have never seen a BBC, even a relatively mild one, that didn't run better with a T ram and 6109s over a single carb of any size, on any manifold. There may be some that exist, but I have never seen one. At least in a boat. Car is another story.

    As for idling and drivability, trying to compare even the "near ancient" 6109 to the 660s is ludicrious. The 660s are lucky they even run at anything less than WOT. Which is EXACTLY what Holley built them for.
    Some how they became the carb of choice for boaters back in the stone age. Never could figure that one out.



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