Again, Hey gang,
Well, it took awhile to hook up, but finally got together with my friend and bought the 1050 Dominator and Manifold.
Both are nearly brand new.
9375-1 HP carb
Victor 454R manifold
Gads is the carb big! Dwarfs my 950.
And both set-ups are sitting in my living room along with the AFR 305 CNC heads.
Now is that a car guy or what?
A 49y/o car guy at that.

Well, it looks like HP, but the dyno wil tell.
On a 498 that "should" make 650+ hp......do you all think the Victor 454R manifold is correct?
Or would the Super Victor be a better choice???
For just another $250.....I wouldn't mind trying another manifold....
As long as someone buys the stuff I don't use.

Sure gald it's Friday night.

Ron

The Super Victor is probably too much for that motor, gotta try it to be sure though.

The 454R manifold works good, the Super Victor is a little large. The 9375 carb is kinda hard on spark plugs as it is a little rich just off idle. We haven't found a cure for this yet.

I notice that the entry to the runners in the plenum at the top are not at all smooth. Very abrupt.
So I assume an open spacer is a good idea.
Do you folks add the spacer then work that area to make a smoother transition? Or just leave it alone?
Other manifolds I've used are much nicer in this area. But they are 4150 manifolds. I've never played with the 4500 stuff.

Also I see that these dominator carbs don't have power valves. And are suppose to come with 88 jests all around. I believe the carb I got has 92's in it. I will go back to the 88's for the dyno and work from there.

Ron

The 9375 is intended for a 2x4 setup and will need some work done to get it to run right on a single carb app.

I just went through this with some guidence from a freind.

I knew it was for a 2x4 setup....but when I asked here, folks said it's fine. They assured me......
So can you give me the details of what it took to make right?
It did come from a car with just the one carb.
Don't leave me hangin!
Ron

Good luck with the Dominator. graemlins/thumbsup.gif
Mine worked great on the dyno and at full throttle but in actual street driving conditions at a partial pedal, the thing would balk, bumble, sneeze and stumble.
We tried everything to remedy this.
Finally, on a racer friend's recommendation, I replaced the 1050 Dominator with a 995 King Demon RS. Right out of the box, the motor now runs like it's injected! Awesome response on both the street and track.
And BTW...I run a Super Victor... the 454R is too small for my application.

Rons.... you got mail
BillsCamino .. thats where a PV circuit instead of an intermediate circuit comes in .. with this carb atleast

Yeah, mine was model 8896.
A "three circuit" carb which I understand kind of complicates things in a street application.

Neither the 9375 or the 8896 comes with a primary power valve.
Ron

I blocked off the inter. circuit and added the PV circuit, also added removeable fuel restrictors in the idle and main circuits

BLK64SS.....I like those Chevelles BTW.
I sent you an email.
I'm a bit slow today....and that's a dial up thing!
Ron

Originally posted by Ron454:
Neither the 9375 or the 8896 comes with a primary power valve.
Ron Our 8896 came with 2 power valves (5.5`s)

Very interesting.
I was going off Holley's Numerical Listing (available on their web site), and for both the 8896 and 8896-1 is shows no power valves.........
I can't copy the list for you becuase it's a PDF...but that's what it says.
I'm going to take my 9375-1 apart as soon as I log out here and see what it has.
Thanks,
Ron

I have a 9375 also. I ended up blocking the intermediate circuit completely on primary side only and I drilled PVCR's and added a PV to the primary side only. Otherwise it will be dead fat in the off idle and cruising ranges. I'm using #81-#82 primary jets these days depending on weather on primary side and it's perfect.

My PVCR's are a little larger than usual, or at least what Holley says can be fed with a std PV, but the fuel curve is fine.

I also changed linkage to the "super soft" progressive stuff to keep it on primaries as much as possible in street cruising.

Annulars get a little fat on the top end, if you have removable air bleeds you'll be able to tweek that easily.


JIM

Hi Jim.
More good info, thanks. Duane said pretty much the same thing.
How big did you make the PVCR's?
Ron