I'm in the process of taking the fuel rail completely apart to replace all the o-rings and I was wondering if the joint where the fuel inlet tube goes into the rail is seperable. It doesn't seem to want to come out easily, and the service manual doesn't show it coming out in the exploded view, but I have one large o-ring in the kit that looks like it belongs there. Thoughts/suggestions are welcome. Thanks for your time.

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1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley AFPR, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Ruger P95DC, hot wife, new oil filter, thick rubber floormats, no cats.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."

 

This just from what i THINK i remember mine being like. Does that inlet thread into the rail, i can't remember, i think it might be part of the rail.
Anyway, if it has a nut that threads into the rail, then i say its probobly removable, and if not then i would leave it be- don't want to break that line or get a leak.
Sorry i couldn't help more.

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'88 RS (originally 2.8)
-350, .040 over, vette alum. L98s, stock tpi.
-305 injectors & chip
-TES headers & edelbrock cat back
-3.73 gears, 700r4.
Best with 2.8-17.4@77mph
Best with 305-15.0@93mph
Best with 356-13.7@101mph
on a 2.050 60 ft.
(Damn the 2.8!)

 

Jethro,

IIRC, my '86 has a steel fuel inlet line that is swaged into the end of the rail. The return pipe is removable, but the inlet pipe is more or less permanently installed.

The larger 'O' ring may be for the cold start injector (if you have one). The fuel line for the cold start injector is seperable and uses a larger diameter ring.

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Later,
Vader
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"Let the bodies hit the floor!"
Adobe Acrobat Reader

 

Cold Start valve as Vader states.