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Oct 11, 2007 | 12:18 PM

#11

shpaintball

Thread Starter

Member

Joined: Mar 2007

Posts: 39

what would that do just give it the power needed to start the car ? i mean the fuelpump ....make sense?

Oct 11, 2007 | 04:26 PM

#12

fc3s4utnv

Senior Member

Joined: Jan 2005

Posts: 831

From: Greenwood AR

If the fuel pump has straight 12v fuel pressure will stay constant

Oct 14, 2007 | 06:25 AM

#13

bbeasley

Junior Member

Joined: Oct 2007

Posts: 2

Quote:

Originally Posted by Tom93R1' post='884460' date='Oct 5 2007, 01:47 AM

Weber is a 2 barrel. If you go with a Weber there are side draft (IDE) and down draft (DCO) as the two main styles. These are really the best style of carb if performance is your goal, but a 4 barrel like the Holley is better if you are going for drivability.

How much of a performance difference is there going from a TB to a Weber side draft setup? My car is a 1989 N/A track day car (never street driven)?

Oct 18, 2007 | 04:31 PM

#14

Tom93R1

Senior Member

Joined: Nov 2002

Posts: 265

From: PHX

I cant say, my weber is in the REPU which I never had fuel injection and I have no dyno numbers for it so cant make a direct comparison. I can say when the REPU was running its best it was about as fast or maybe slightly faster than a stock turboII. This was on a weak (low compression) stock 6-port S4 motor with racing beat header and straight through 2.5" muffler. weight for REPU is about the same as FC, but rear end is very high ratio so that also helps.