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Ron Parker
SSRN National Champion
Joined: 31 Oct 2002
Posts: 2026
Location: Dalton, GA
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Post subject:
(Wed Mar 07, 2012 8:09 pm)
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Hey ratrodster why spend money to slow your car down and loose fuel milage. Tell me . Thanks Ron 
It Aint Over Until Win
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ratrodster
2 BBL ''SuperSix''
Joined: 02 Mar 2012
Posts: 22
Location: New Brunswick, Canada
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Post subject:
(Tue Mar 13, 2012 5:12 am)
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i thought going to a 2bbl would increase performance ?
i will give up the 2-5 mpg in fuel milage to gain 10 hp in performance.
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vynn3
Turbo EFI
Joined: 16 Jul 2004
Posts: 1124
Location: Carrollton, TX
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Post subject:
(Tue Mar 13, 2012 6:01 am)
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| ratrodster wrote: | i thought going to a 2bbl would increase performance ?
i will give up the 2-5 mpg in fuel milage to gain 10 hp in performance. |
You're not going to gain 10 h.p. by using an adapter.
Will the engine run? Yes. Will there be an appreciable improvement in power over a well-tuned 1bbl? No.
Either use a 2bbl intake manifold or build your own. Otherwise, it's a waste of time and money. But it's your time, and your money..._________________ vm
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Brussell
EFI Slant 6
Joined: 23 May 2010
Posts: 452
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Post subject:
(Tue Mar 13, 2012 6:50 am)
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Having the 2bbl hole in the manifold (no adapter) allows more air/fuel mix to get in at an instantaneous point in time. If you have a 2bbl adapter on your 1bbl manifold at the same instantaneous point you will not be getting the same improved air/fuel mix you would in the previous scenario. It will essentially be the same as your 1bbl carb.
To adapt my manifold it cost me around $40 - I did buy a brand new 2bbl plate for my carb though you could save money on this. I bought some bolts, and an epoxy glue and a tap. Took one afternoon to get it perfect.
Hope this was of some help!
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ratrodster
2 BBL ''SuperSix''
Joined: 02 Mar 2012
Posts: 22
Location: New Brunswick, Canada
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Post subject:
(Tue Mar 13, 2012 8:42 am)
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| sorry for the confusion, i ended up buying a super six intake and a carter 2 barrel carb. combine those parts with my clifford headers and i am antisipating 10 hp gain. i am also pulling the motor to install a mild cam and have the head shaved.
Last edited by ratrodster on Thu Mar 15, 2012 9:15 am; edited 1 time in total |
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vynn3
Turbo EFI
Joined: 16 Jul 2004
Posts: 1124
Location: Carrollton, TX
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Post subject:
(Tue Mar 13, 2012 10:31 am)
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| ratrodster wrote: | | sorry for the confusion, i thought it was clear earlier in the post. i ended up buying a super six intake and a carter 2 barrel carb. combine those parts with my clifford headers and i am antisipating 10 hp gain. i am also pulling the motor to install a mild cam and have the head shaved. |
My mistake. Headers and a super six will probably get you a lot more than 10 hp, but how much I'll defer to the experts... 20-25 maybe? Not to mention the cam and headwork... 
Good luck!_________________ vm
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Brussell
EFI Slant 6
Joined: 23 May 2010
Posts: 452
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Post subject:
(Wed Mar 14, 2012 6:46 am)
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| Guess that's what I get when I don't read everything! I look stupid. Sounds like you made a good choice!
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kesteb
Board Sponsor
Joined: 06 Nov 2002
Posts: 1511
Location: Everett, WA
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Post subject:
(Wed Mar 14, 2012 7:08 pm)
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| A 2v manifold with a BBD is supposedly worth a 5% increase in power. That same manifold with a 1 1/2" bore 2v is supposedly worth a 10% increase in HP. The size throttle bore covers the BBD from a BBM, a 2300 Holley and a 2100 Autolite.
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Ross
EFI Slant 6
Joined: 20 Dec 2010
Posts: 421
Location: Gresham, OR
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Post subject:
(Sat Mar 17, 2012 11:54 pm)
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Ive been in the proccess of making my own manifold (dan showed me the same article) i finally got a mounting plate, well actually a 1" carb spacer cnc'd out of aluminum I got off ebay very nice quality and itll serve as a mounting plate and a half inch spacer. Now if only I could find a welder to weld the dang thing id get better than 10mpg with my 1945 with bad throttle bushings when the heck that will be idk._________________ Prerunner build: 82 Ram D150 Custom, 225, 4 speed manual. 2.5" exhaust. Hei ignition. Partially blacked out. Many mods
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Brussell
EFI Slant 6
Joined: 23 May 2010
Posts: 452
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Post subject:
(Sun Mar 18, 2012 1:33 am)
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I think you will have trouble wielding aluminum and cast iron? I'm not 100% sure just what I have read (May have that wrong).
If you get a packet of bolts, the appropriate tap, and some sort of heat proof epoxy glue. You'll pay less than $20 and it'll be very very strong, stronger than the weld I believe. Doesn't take long to do either.
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Ross
EFI Slant 6
Joined: 20 Dec 2010
Posts: 421
Location: Gresham, OR
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Post subject:
(Sun Mar 18, 2012 10:47 am)
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No worries I got one of the good one piece aluminum manifolds._________________ Prerunner build: 82 Ram D150 Custom, 225, 4 speed manual. 2.5" exhaust. Hei ignition. Partially blacked out. Many mods
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Ceej
SSRN National Champion
Joined: 31 Mar 2003
Posts: 6332
Location: Oregon
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Post subject:
(Sun Mar 18, 2012 11:16 am)
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When I bring the TIG back from Richard's, we can see if my buddy Nick will weld it up for you. I'm terrible with aluminum. Nick is not. We'll just get you to pitch in some cash for argon and filler.
CJ_________________ 
Tyrde-Browne Racing
I'm off to find myself. If I should return before I get back, keep me here. |
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Ross
EFI Slant 6
Joined: 20 Dec 2010
Posts: 421
Location: Gresham, OR
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Post subject:
(Thu Mar 22, 2012 7:56 pm)
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Let me get my tax money back and ill shoot you a pm ceej when I go tr time to come down. how much would it cost if I brought some burgers down?  _________________ Prerunner build: 82 Ram D150 Custom, 225, 4 speed manual. 2.5" exhaust. Hei ignition. Partially blacked out. Many mods
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Fopar
6 Pack Dart
Joined: 02 Nov 2002
Posts: 1866
Location: Eugene, Oregon
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DusterIdiot
Board Sponsor
Joined: 29 Oct 2002
Posts: 7140
Location: Salem, OR
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