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-   -   Single Carb or Dual Quads which is better? (http://www.clubcobra.com/forums/all-cobra-talk/88549-single-carb-dual-quads-better.html)

Naumoff 06-20-2008 01:38 PM
Quote:
Originally Posted by patrickt (Post 853545)
That was handcrafted by Bob Putnam at ERA using an English wheel, ball peen hammer, meticulous measuring and hours upon hours of labor.:cool: Here are two shots of it. You'll note that the english "Terry Body Springs" are safety wired even though they never seem to vibrate loose.

http://www.clubcobra.com/photopost/d...m/119_1978.JPG

http://www.clubcobra.com/photopost/d...ed_springs.JPG
A good Ideal to make it removable.
Are you telling us he made the whole thing from scratch? A lot of work though.

I would have modified a turkey pan and then made a separate base plate.

Two fours: vacuum secondaries
single four: mechanical secondaries


Sal, Did it come that way?
I would just move it over and put a button head screw in the exposed holes.
Worry about fixing the body later. better the mirror is in the correct position.:)

Hell I am just full of all kinds of advice today.:3DSMILE:

patrickt 06-20-2008 01:42 PM
Quote:
Originally Posted by Naumoff (Post 853922)
A good Ideal to make it removable.
Are you telling us he made the whole thing from scratch? A lot of work though.

I would have modified a turkey pan and then made a separate base plate.
Uhh, ehrrr, ok you caught me. I was lying about the English wheel and ball peen hammer. He fashioned it out of a regular turkey pan and base plate of aluminum. Probably took him the better part of an afternoon to fabricate it. Yes, I feel better now that I've come clean.:LOL:

Naumoff 06-20-2008 01:50 PM
Quote:
Originally Posted by patrickt (Post 853923)
Uhh, ehrrr, ok you caught me. I was lying about the English wheel and ball peen hammer. He fashioned it out of a regular turkey pan and base plate of aluminum. Probably took him the better part of an afternoon to fabricate it. Yes, I feel better now that I've come clean.:LOL:
OK, that sounds more like it because that would have been the most expensive turkey pan in the world.:LOL:

patrickt 06-20-2008 01:52 PM
Quote:
Originally Posted by Naumoff (Post 853926)
OK, that sounds more like it because that would have been the most expensive turkey pan in the world.:LOL:
Even doing it that way, with Bob's rates, it still probably is!:3DSMILE:

Naumoff 06-20-2008 03:23 PM
Quote:
Originally Posted by patrickt (Post 853928)
Even doing it that way, with Bob's rates, it still probably is!:3DSMILE:
Yeah, duh it has to be. It is still a one off peice. :LOL:

greg schroeder 06-20-2008 05:40 PM
I guess there are assorted opinions. For me I sort of like the idea of best throttle response, linear throttle response, less weight, more power and getting it to stick to the street. If I did it again I'd definitely get another single Pro-Systems unit with single plane intake and Mickey Thompson ET street drag radials, 275/60 15s rear.

Pro-Systems carb without air cleaner
Pro-Systems carb with air cleaner
SAE corrected wheel power, 427W(small block), non-Superformance exhaust

Kzof 06-20-2008 05:42 PM
I do, always have, and always will believe in one for its simplicity.

rsb427 06-21-2008 01:36 AM
looking at all the pictures in here I noticed something? your engines and cars are all to clean dont you guys drive your cars! I pride myself on a little oil and bug guts! come on guys less talk more driving!!!!!!!!!

Naumoff 06-21-2008 06:15 AM
Quote:
Originally Posted by rsb427 (Post 854028)
looking at all the pictures in here I noticed something? your engines and cars are all to clean dont you guys drive your cars! I pride myself on a little oil and bug guts! come on guys less talk more driving!!!!!!!!!

When you go to get pictures don't you get cleaned up.:)
12,000 + miles


http://www.clubcobra.com/photopost/d...edium/1132.JPG

patrickt 06-21-2008 07:11 AM
The little men that live in my engine...
 
Quote:
Originally Posted by rsb427 (Post 854028)
looking at all the pictures in here I noticed something? your engines and cars are all to clean dont you guys drive your cars!
Trying to keep my FE from leaking has become a sick, psychotic game for me. Keeping my engine clean gives me a leg up on the little men that live inside my engine and make it leak. I've seen the little men peeking out from the manifold and valve covers, but they're too fast for me to grab. But one day I'll catch them, and then they'll pay.... Until then, all I can do is keep the engine clean so I can see where they've been.:JEKYLHYDE

Ant 11-01-2008 06:26 AM
Single Carb Engine built by KC
 
Quote:
Originally Posted by greg schroeder (Post 853963)
I guess there are assorted opinions. For me I sort of like the idea of best throttle response, linear throttle response, less weight, more power and getting it to stick to the street. If I did it again I'd definitely get another single Pro-Systems unit with single plane intake and Mickey Thompson ET street drag radials, 275/60 15s rear.

Pro-Systems carb without air cleaner
Pro-Systems carb with air cleaner
SAE corrected wheel power, 427W(small block), non-Superformance exhaust
Greg,

I have a Pro-systems 950 road race carb much like yours on my 373, I think its actually a 750cfm but flows more, with over 600bhp I have only dynoed the engine to date, but I think the mechanical secondaries with the fuel pump squirting would give better throttle response than a vacuum secondary carb for road racing, sort of kick in the pants coming out on a turn. The dyno guy compared the response of my engine to a fuel injected engine for nice progressive power. I dont think I will be changing to vacuum secondaries, but I have raced on them and they still work good! Selecting the right carb and calibrating to suit the engine, correct size are important, and with the Pro-systems carb it has some clever attributes over a standard Holley, I havent had a carb out of the box ever run as nice as this one! Keith Craft has done a nice job selecting the parts for this custom built road/race engine.

I have seen some real serious US$3-4000 carbs for racing with clever emulsion blocks etc that cover more track situations, but they are on high tech Transam, and probably Nascar total race engines

Naumoff 11-02-2008 04:41 AM
Quote:
Originally Posted by Naumoff (Post 854043)
When you go to get pictures don't you get cleaned up.:)
12,000 + miles


http://www.clubcobra.com/photopost/d...edium/1132.JPG
I did forget to mention my engines been out of my car three times in those 12,000 miles. Full disclosure.:JEKYLHYDE


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