Engine Build: CSC (Paxton Supercharger) Build Thread
Joined: Apr 2010
Posts: 12,601
From: Mentor, Ohio
I'm thrilled the rail worked. For anyone reading, I compared the two railed side by side on a bench. The only difference I saw was in the "bell" where the injector fits in. On the pre-2000 fuel rail the bell allows the injector to hang an eighth of an inch lower. Both Mike and I learned something new with this one.
This it the 2000+ rail:
This is the pre-2000 rail:
Such a minor difference, you would never see it without them being side by side.
This it the 2000+ rail:
This is the pre-2000 rail:
Such a minor difference, you would never see it without them being side by side.
Last edited by The_Maniac; Jun 9, 2014 at 09:44 AM.
Thread Starter
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Monte Of The Month -- August 2014
Joined: Sep 2008
Posts: 25,145
From: Southeast PA
GM changed injector types on us in 2000. They went from a short-fat injector to a taller skinnier injector.
Apparently they also changed the rail when they made that swap.
vs
Apparently they also changed the rail when they made that swap.
vs
Thread Starter
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Monte Of The Month -- August 2014
Joined: Sep 2008
Posts: 25,145
From: Southeast PA
Well... Those injectors don't seem to be big enough either 
I was trying to advance my timing and add some fuel in WOT and my injectors appear to be maxed and it's knocking
I was trying to advance my timing and add some fuel in WOT and my injectors appear to be maxed and it's knocking
Thread Starter
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Monte Of The Month -- August 2014
Joined: Sep 2008
Posts: 25,145
From: Southeast PA
Yeah, I was trying to advance the WOT timing (since mine is super low!!) And it knocked
I backed the timing off in my tune again. I'm down to only 6* on WOT when I want it at like 16
I backed the timing off in my tune again. I'm down to only 6* on WOT when I want it at like 16
Thread Starter
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Monte Of The Month -- August 2014
Joined: Sep 2008
Posts: 25,145
From: Southeast PA
I'm thinking that I'm fine to drive the car as is, just can't romp on it.
Going to save up for an a-pillar triple pod and fill it with a boost gauge, fuel pressure gauge, wideband. Also should probably grab a new fuel pump, and bigger injectors. Hopefully next spring I'll be able to do a big install of all of it
Going to save up for an a-pillar triple pod and fill it with a boost gauge, fuel pressure gauge, wideband. Also should probably grab a new fuel pump, and bigger injectors. Hopefully next spring I'll be able to do a big install of all of it
I'm thinking that I'm fine to drive the car as is, just can't romp on it.
Going to save up for an a-pillar triple pod and fill it with a boost gauge, fuel pressure gauge, wideband. Also should probably grab a new fuel pump, and bigger injectors. Hopefully next spring I'll be able to do a big install of all of it
Going to save up for an a-pillar triple pod and fill it with a boost gauge, fuel pressure gauge, wideband. Also should probably grab a new fuel pump, and bigger injectors. Hopefully next spring I'll be able to do a big install of all of it
The biggest expense you have there is gonna be the injectors and wideband.
Got to love the money dumped into a race car
