Lsxrt injector fitment problems
Thread Starter
Teching In
Joined: Feb 2008
Posts: 35
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Lsxrt injector fitment problems Trying to get my ls1 style injectors to work on the lsxrt intake I just bought. Fast sent some oversized o rings but they don't fit where the black o ring is. They do fit above them in the other ridge. Where is the proper place to run the o ring on this injector? I called Fast today and they weren't much help.
In the second ridge is where I would run them. They don't have to be right on the nozzle. It'll seal up nicely being right there. The issue is your injector may be too low in the manifold and not connect to the rail tightly.
Depending on what rail you are running, you need to make sure there's 60mm between the o-rings. If it's an LS2 rail it needs to be 48mm. But that looks like an LS1 type injector and 60mm is the correct number.
Depending on what rail you are running, you need to make sure there's 60mm between the o-rings. If it's an LS2 rail it needs to be 48mm. But that looks like an LS1 type injector and 60mm is the correct number.
Thread Starter
Teching In
Joined: Feb 2008
Posts: 35
Likes: 0
Here's my other problem. Even with the spacers my injectors are way too tall. Plus the angle is way off. I'm ready to buy ls2 injectors and call it a day. I believe that's what belongs on this intake. Correct?
Joined: Aug 2007
Posts: 24,241
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From: Turnin' Wrenches Infractions: 005
Thats not what my brackets look like. And the oring goes on the bottom. See how my brackets are L shaped to offset the rail?
Havent updated this in a while but im still on my NA quest for tens. I think ive got it figured out with spending some money but I'm trying to not make any major changes to the car so for now im changing parts that I can grow into later when I change the build up. Ive been running a FAST 92/PTM 95 combo for a while. I bought the black fast 92 when they re-released it a few years back. I always wondered if I gave up anything not going to a 102 version. I came across a unique opportunity to swap intake for intake with a buddy who had a c5 and would prefer the better fitment of the 92. The back story behind this intake was it was on a motor with bad oil blow by and was installed by a hackjob shop. Once I looked it over I realized I needed to order some parts. I ordered a new inner seal, new fuel pressure gauge, new thicker lower injector o rings (146020COR), and a fuel line adapter (640940). This was originally a grey intake somebody painted black. After I cleaned it up, installed the new stuff, and fixed a broken vacuum nipple on the back, I sand blasted and hand sanded it. Here it is ready for paint.
Looked around for something silver. Thought hey lets go a little darker then go bright on the lettering.
Got about 3 color coats on it.
Then about 3 coats of clear
Then dressed it out with injector, rails, tb, and yellow lettering
Then the install, man this thing barely fits. I removed the located dowels from the bottom of the intake and bent the pvc line. No grinding on the pump. Added a new silicone SD hose also. Excuse the dirty engine bay.
Track times to come!
Looked around for something silver. Thought hey lets go a little darker then go bright on the lettering.
Got about 3 color coats on it.
Then about 3 coats of clear
Then dressed it out with injector, rails, tb, and yellow lettering
Then the install, man this thing barely fits. I removed the located dowels from the bottom of the intake and bent the pvc line. No grinding on the pump. Added a new silicone SD hose also. Excuse the dirty engine bay.
Track times to come!
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