2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

carb setup

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Old Apr 28, 2002 | 11:12 PM
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crossbar17's Avatar
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From: Wales, ME
carb setup

okay i just bought a Atkins Rotary Side Draft Weber manifoldand a Dellorto TB, what do i need exactly now to do the car swap?? this bold directly to the side of the rotor housing on my 6 port 88 n/a correct? not to the top of the first intake manifold where it meets the runners.....and also what do i need to do so that my electrical system will work righ with this.....how much time and money do i have left to spend??


CB
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Old Apr 28, 2002 | 11:19 PM
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also would a tII fuel pump be fo use??
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Old Apr 28, 2002 | 11:24 PM
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Originally posted by crossbar17
also would a tII fuel pump be fo use??
Correct me if im wrong but i always thought that with a carb set-up that you need a lower flowing pump??
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Old Apr 29, 2002 | 01:48 AM
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Originally posted by fcturbo2
Correct me if im wrong but i always thought that with a carb set-up that you need a lower flowing pump??
Not lower flow, lower pressure. You can use EFI fuel pumps with carbs bet you need a pressure regulator that can drop the pressure from ~70psi to a more carb-friendly pressure (5-8 psi I think).

According to the FSM, the NA fuel pump flows at least 1.3L/min (which is good for about 200fwhp), and the Turbo fuel pump flows at least 2.2L/min (which is good for about 350fwhp). This assumes the pump's getting full voltage.
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Old Apr 29, 2002 | 08:54 AM
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so what do i do then? and also what do i need as far as ignition changes if any.....
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Old Apr 29, 2002 | 09:09 AM
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You best bet will be to use a low pressure fuel pump, aactually thats all I know!

Call RB or Mazdatrix!
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