WTB oil cooler block-off plate
Jun 23, 2011 | 12:22 PM
#2
GM part number is 12577903. Supposed to be pretty cheap from a dealer ($10 or less).
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**Part superceded by 12577903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.
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**Part superceded by 12577903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.
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