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Old 04-22-2009, 05:01 PM   #11
illinipo
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Tom is there a chance you tested a zx3 pump from early 02 and SVT pump from late 02? or something like that. If the pumps you tested are from a different era then of course they will be different...

again there were 4 era's within each era the SVT and regular pumps were the same

00-01, 02-02.5, 02.5-03, 03-04
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Old 04-22-2009, 05:01 PM   #12
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The problem of the pump psi falling off isnt the pump it is the cannister the pump sits in , I have said this 1.4 million times LOL

There is a setting in the tuning that will raise the fuel psi some and it helps a lot its just most tuners dont know about it and dont know how to set it and is one of the few things I wont pass on

Tom
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Old 04-22-2009, 05:04 PM   #13
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lol, just wondering tom but what exactly does the bap do? would it do the same thing ur talking about? and i thought ur little trick worked on only the svt's right?
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Old 04-22-2009, 05:06 PM   #14
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Tom is there a chance you tested a zx3 pump from early 02 and SVT pump from late 02? or something like that. If the pumps you tested are from a different era then of course they will be different...
I took them out of my 00 Focus and my 02 SVT , one was a black top and the SVT was a green top , My SVT is a very early 02 bought in 01 actually but tested them again in I think 04 or 05 , off the shelf from Ford not from a Ford dealer , in the Ford books a lot of things are not listed as SVT , anyway got the same results

Didnt help to install it in a ZX3 because the issue is with the cannister and the way Ford built the return system in the cannister

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Old 04-22-2009, 05:08 PM   #15
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any way of modding the canister?
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Old 04-22-2009, 05:09 PM   #16
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lol, just wondering tom but what exactly does the bap do? would it do the same thing ur talking about? and i thought ur little trick worked on only the svt's right?
What the BAP does is take the 12 volts and takes it to 17 volts running the crap out of the pump and this helps to get more fuel past the issues with the cannister , with a BAP you have to know how to set the things in the tune and your good to go

Yes I worked hard on the ZX3 setting for the returnless things before I left and have had very good results

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Old 04-22-2009, 05:10 PM   #17
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any way of modding the canister?
I worked on it for 2 weeks and everything I tried either didnt work or caused surging issues why normal driving

Do a full return system and be done with it

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Old 04-22-2009, 05:11 PM   #18
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ok i see. sorry for asking so many questions and what not. but one more for you tom. if swapping from an spi to a d23 i'm thinking its gonna be smart to swap the pump also? i'm buying a full donor car so i will have it all there. probily just swap the tanks. and is there any way to mod it to get more out of it?
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Old 04-22-2009, 05:50 PM   #19
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Just normal mods for the dura engine , I would also swap the tank if you have it but feel the SPI pump would be ok

Tom
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Old 04-22-2009, 06:31 PM   #20
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I worked hard on the ZX3 setting for the returnless things before I left and have had very good results

Tom
I also had a chance to work on a ZX3 that had the OLD pump (pre-recall) and I also had great results. It held 52psi all the way to redline with 12psi of boost.... exactly what I was looking for.... BTW there was NO BAP on the car.
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