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Promax center carb metering block #658340 04/01/10 05:17 PM 04/01/10 05:17 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	Anyone used it on their center six pak.What type of different did it make?

Re: Promax center carb metering block [Re: gtx69] #658341 04/01/10 06:54 PM 04/01/10 06:54 PM
Joined: Mar 2007 Posts: 3,277 West Coast, USA jbc426 master
jbc426 master Joined: Mar 2007 Posts: 3,277 West Coast, USA	I don't know about all that, but I have one on my sixpack and it runs great! 5901755-\'Cudaprepaint001(Large).jpg (446 downloads) 1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's 1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)

Re: Promax center carb metering block [Re: jbc426] #658342 04/01/10 07:01 PM 04/01/10 07:01 PM
Joined: Jan 2003 Posts: 3,682 South San Francisco, Ca 70sixpkrt master
70sixpkrt master Joined: Jan 2003 Posts: 3,682 South San Francisco, Ca	Since I've installed one on my car, I noticed that I don't have to screw around with it as much as before. You might want to get the adjustable plates for the outboards and the billet base for the rear carb. 5901769-sixpack.JPG (558 downloads) [img]http://www.imgur.com/hxlGUJt.gif[/img] 4-speed 3:54 Dana 13.01 @107.93 with street tires (not hooking up)

Re: Promax center carb metering block [Re: 70sixpkrt] #658343 04/01/10 07:10 PM 04/01/10 07:10 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	I already have the base and the plates

Re: Promax center carb metering block [Re: 70sixpkrt] #658344 04/02/10 09:29 PM 04/02/10 09:29 PM
Joined: May 2007 Posts: 952 Queens, N. Y. FASTBACK340 super stock
FASTBACK340 super stock Joined: May 2007 Posts: 952 Queens, N. Y.	Quote: Since I've installed one on my car, I noticed that I don't have to screw around with it as much as before. You might want to get the adjustable plates for the outboards and the billet base for the rear carb. I agree. My car runs great with no bogging or eractic idle issues. I also installed the jet-able end carb metering plates.... ...and the modified rear carb base plate. I still have some fine tuning when I have the time, but for the most part it was money well spent. I started with a set of re-production Holleys and they've been great. I also couldn't resist Promax's braided fuel line too.... It's all good. `68 Barracuda 340-S

Re: Promax center carb metering block [Re: FASTBACK340] #658345 04/06/10 03:05 PM 04/06/10 03:05 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	I order my promax metering block today.Have anyone changed there power valve mine is a 6.5. Going to check vaccum and see where i'm at. 5910686-HPIM0153.JPG (291 downloads)

Re: Promax center carb metering block [Re: gtx69] #658346 04/06/10 03:06 PM 04/06/10 03:06 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	other side 5910687-HPIM0154.JPG (311 downloads)

Re: Promax center carb metering block [Re: gtx69] #658347 04/06/10 03:53 PM 04/06/10 03:53 PM
Joined: Feb 2004 Posts: 7,196 Harrisburg, Pa. screamindriver master
screamindriver master Joined: Feb 2004 Posts: 7,196 Harrisburg, Pa.	That's a wild looking set-up!! I'm pulling single digit vacuum numbers at idle and ended up with a 3.5 PV in the present tuning.... In addition to the usual mods I also snagged the Promax fuel bowls with the sight glass for easier tuning...I tried every brand of clear sight plugs out there but they just are'nt designed to be left in the bowl for any length of time...

Re: Promax center carb metering block [Re: screamindriver] #658348 04/06/10 04:17 PM 04/06/10 04:17 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	Where is the best place to check for vaccum?I have everything from promax.Trying to get everything in the ball park.Then going to have it tuned on a chassis dyno.

Re: Promax center carb metering block [Re: gtx69] #658349 04/06/10 10:00 PM 04/06/10 10:00 PM
Joined: Jan 2003 Posts: 3,682 South San Francisco, Ca 70sixpkrt master
70sixpkrt master Joined: Jan 2003 Posts: 3,682 South San Francisco, Ca	I have a vacuum gauge hooked up to the vacuum port behind the manifold. I am reading 14" of vacuum and using a 6.5 power valve. I talked to Mr. Sixpack(Bob K.) and he said I could bring it down to a 4.5 power valve. [img]http://www.imgur.com/hxlGUJt.gif[/img] 4-speed 3:54 Dana 13.01 @107.93 with street tires (not hooking up)

Re: Promax center carb metering block [Re: 70sixpkrt] #658350 04/06/10 10:40 PM 04/06/10 10:40 PM
Joined: Jan 2003 Posts: 1,476 G gtx69 OP super gas
gtx69 OP super gas G Joined: Jan 2003 Posts: 1,476	My manfold dosen't have any ports.

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