2002_Z28_Six_Speed

iTrader: (19)

I have installed a oil pressure sensor into my LS3 at the port on the left side of the block.

I took the factory elbow like cover off [different/smaller from picture below] and drilled/tapped that cover. I tried copper rtv and aviation gasket maker. It appears that it might be leaking around the sender and the only reasons I could figure:

• Wrong threads: I threaded for 1/8 NPT. Only other thread could be NPTF? Which I would have to special order I guess.
• Not enough matl to make enough threads. Need thicker part.

In light of that I wish to obtain the below part ASAP and install the oil pressure sender into that.



Does anyone know the GM part number so I can order this tomorrow?
Also the bolts wouldn't hurt if anyone has the part # for those.

Thanks for any help.

Jontall

Far Left.
97-2000 Corvette OFAC (still available) Part Number 12551587
Comes already drilled and with a metric thread M12 x 1.5
Drill out the metric thread using a 7/16" drill
Tap 1/4 pipe thread
Use a 1/4" male x 1/8" female reducing bush
Screw the 1/8" pipe threaded sender into that.

Centre
Fbody OFAC (No Longer available from GM new**) Part Number 12551595
Comes blank (not drilled and no thread)
Drill out the boss using a 21/64" drill
Tap 1/8 pipe thread
Screw the 1/8" pipe threaded sender into that.
**Part superceded by 12577903

Right
GTO OFAC Part Number 12577903
Comes blank (not drilled and no thread)
Drill the centre using a 21/64" drill
Tap 1/8 pipe thread
Screw in a 90 deg 1/8 pipe male female elbow
Screw the 1/8" pipe threaded sender into that.

Jontall

You could also use this sandwich adapter-- it's cheap enough and has everything you need..
http://www.glowshiftdirect.com/oil-f...16-thread.aspx

2002_Z28_Six_Speed

iTrader: (19)

Wow. Your sandwich adapter is the win. Thank you so much for the tip. I think I am going to go with that option!

colorado808

iTrader: (3)

Are the 13/16-16 thread the correct size?

Jontall

Yes...

DietCoke

iTrader: (18)

What is the PN for the gasket here.

Sales2@Texas-speed

iTrader: (5)

gm#12611384