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Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2723692
12/13/19 10:48 AM
12/13/19 10:48 AM
Joined: Jan 2003
Posts: 1,934
central texas
K
krautrock Offline
top fuel
krautrock  Offline
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K

Joined: Jan 2003
Posts: 1,934
central texas
here is an old old 440 dyno article with a tunnel ram and the 9379 carbs...

https://www.hotrod.com/articles/mopp-0109-440-head-buildup-dyno-test/

Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2723780
12/13/19 03:26 PM
12/13/19 03:26 PM
Joined: Mar 2003
Posts: 8,416
Rogue River, OR
Jeremiah Offline
master
Jeremiah  Offline
master

Joined: Mar 2003
Posts: 8,416
Rogue River, OR
Originally Posted by mopar dave
A pair of those is $740 refurbished from Holley right now. They don't come set up for tunnel ram, so what changes did ya have to make IFR, air bleeds, main jet etc?


Pry open thy wallet mon:

https://www.holley.com/products/fue...efurbished_carburetors/parts/FR-80803BKX

Signed,

the guy who saved up for a Jesel belt drive since 2006 (lol)

Re: 511 Indy tunnel ram which carbs [Re: BradH] #2723788
12/13/19 03:56 PM
12/13/19 03:56 PM
Joined: Jan 2007
Posts: 6,553
flint michigan
mopar dave Offline OP
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mopar dave  Offline OP
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flint michigan
I just read about that a couple days ago. Seems the larger venturing flows less. I also read where someone bought an xp main body and it measured 3 different sizes out of the 4 boosters. Very poor quality control.

Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2723793
12/13/19 04:33 PM
12/13/19 04:33 PM
Joined: Jan 2003
Posts: 15,335
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
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Joined: Jan 2003
Posts: 15,335
Val-haul-ass... eventually
My experience w/ buying carbs & parts over the last few years has led me to believe the following: Every carburetor has the potential to be a piece of junk until someone goes through it and makes it "not junk".


1. Yes, I KNOW it's been 10+ years since my car was at the track.
2. Yes, I KNOW it's been one thing after another for not having it running.
3. Yes, I KNOW most (all?) of Moparts.com is sick of hearing about it.

I can't turn back the bleeping clock; I can only make the best of my time moving forward.
Re: 511 Indy tunnel ram which carbs [Re: BradH] #2723797
12/13/19 04:40 PM
12/13/19 04:40 PM
Joined: Aug 2011
Posts: 1,760
KATY TEXAS
csk Online work
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csk  Online Work
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Posts: 1,760
KATY TEXAS
Originally Posted by BradH
My experience w/ buying carbs & parts over the last few years has led me to believe the following: Every carburetor has the potential to be a piece of junk until someone goes through it and makes it "not junk".


THIS ^^^^^^^^^^^


LINK TO MY STORY http://www.onallcylinders.com/2015/...s-to-build-brilliant-1968-dodge-charger/
1968 Charger COLD A/C Hilborn EFI
512ci 9.7, Stealth heads, 3.54gear A518 OD 4050lb,11.09@123.4 full street car trim.
Re: 511 Indy tunnel ram which carbs [Re: csk] #2723803
12/13/19 04:57 PM
12/13/19 04:57 PM
Joined: Jan 2007
Posts: 6,553
flint michigan
mopar dave Offline OP
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mopar dave  Offline OP
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flint michigan
I agree. That's why I have no problem buying refurb from holley.

Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2723822
12/13/19 05:38 PM
12/13/19 05:38 PM
Joined: Jan 2003
Posts: 15,335
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,335
Val-haul-ass... eventually
Originally Posted by mopar dave
I agree. That's why I have no problem buying refurb from holley.

Based on a refurb that I bought directly from Holley, that's still no guaranty it's right outta the box.


1. Yes, I KNOW it's been 10+ years since my car was at the track.
2. Yes, I KNOW it's been one thing after another for not having it running.
3. Yes, I KNOW most (all?) of Moparts.com is sick of hearing about it.

I can't turn back the bleeping clock; I can only make the best of my time moving forward.
Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2723836
12/13/19 07:04 PM
12/13/19 07:04 PM
Joined: Nov 2003
Posts: 1,546
Pittsburgh,PA
RTSrunner Offline
pro stock
RTSrunner  Offline
pro stock

Joined: Nov 2003
Posts: 1,546
Pittsburgh,PA
Has anyone tried the Demon carbs Street Demon AFB style carbs on a TR? 625/750/850 cfm

Re: 511 Indy tunnel ram which carbs [Re: BradH] #2723838
12/13/19 07:07 PM
12/13/19 07:07 PM
Joined: Jan 2007
Posts: 6,553
flint michigan
mopar dave Offline OP
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mopar dave  Offline OP
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Posts: 6,553
flint michigan
Yeah, refurb is not for everyone, but I'm not afraid of it.

Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2724080
12/14/19 09:19 PM
12/14/19 09:19 PM
Joined: Jan 2003
Posts: 17,800
Akron, Ohio
ProSport Offline
I Live Here
ProSport  Offline
I Live Here

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Posts: 17,800
Akron, Ohio
I had a low deck M1 TR on my little 451 in my DartSport with Eddy heads and 590 purpleshaft cam. I ordered custom tunnel ram 750's from Quickfuel, car weighed 3050# and ran a best of 9.89 at 136.
Carbs were spot-on right out of the box and they had a wedge-shaped fuel bowl floats that were supposedly good for tunnel rams if I remember correctly. These days I wouldn't hesitate to order carbs from Dom.

3.jpg

Sassy Grass street Duster, best of 10.69 at 124 driven to the track with 3.23 gears, naturally aspirated on 93 octane.
Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2724170
12/15/19 11:24 AM
12/15/19 11:24 AM
Joined: Jul 2004
Posts: 19,051
State of confusion
T
Thumperdart Offline
I Live Here
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Joined: Jul 2004
Posts: 19,051
State of confusion
Good luck to ya Dave............Billet is best period so to save a few $$$ here and there to have issues and inconsistency makes no sense and I've seen first had the variances from venturi to venturs on some cast main bodys.....

Last edited by Thumperdart; 12/15/19 03:23 PM.

72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 511 Indy tunnel ram which carbs [Re: Thumperdart] #2724187
12/15/19 12:48 PM
12/15/19 12:48 PM
Joined: Jan 2007
Posts: 6,553
flint michigan
mopar dave Offline OP
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mopar dave  Offline OP
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flint michigan
It all depends on what's left after the holidays money wise.

Re: 511 Indy tunnel ram which carbs [Re: mopar dave] #2724301
12/15/19 07:41 PM
12/15/19 07:41 PM
Joined: Jan 2003
Posts: 17,800
Akron, Ohio
ProSport Offline
I Live Here
ProSport  Offline
I Live Here

Joined: Jan 2003
Posts: 17,800
Akron, Ohio
Originally Posted by mopar dave
It all depends on what's left after the holidays money wise.


I know the feeling! I've been working over 50 hours every week to get my Challenger upgrades done.


Sassy Grass street Duster, best of 10.69 at 124 driven to the track with 3.23 gears, naturally aspirated on 93 octane.
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