N NC87GN johnny boost Joined Aug 15, 2001 Apr 5, 2004 #1 Does anyone have the proper bolt sizes for the exhaust manifolds? Looking for the different lengths as well (top and bottom). Thanks in advance.. Mike Banas 87GN
Does anyone have the proper bolt sizes for the exhaust manifolds? Looking for the different lengths as well (top and bottom). Thanks in advance.. Mike Banas 87GN
M MistaScott Abnormally Aspirated Joined Oct 18, 2003 Apr 5, 2004 #2 BOLT 3/8" -- 16X25.5 Part Number 25518186 STUD, HEX (M8 X 1.25 X 20/ 3/8" - 16 X 47.5 LW) Part Number 25518176\ From the service manual if that helps...
BOLT 3/8" -- 16X25.5 Part Number 25518186 STUD, HEX (M8 X 1.25 X 20/ 3/8" - 16 X 47.5 LW) Part Number 25518176\ From the service manual if that helps...
F Forcedfed BOOST ADDICT Joined Dec 20, 2001 Apr 5, 2004 #3 MISTASCOTT: Are these bolts still available from GM?
M MistaScott Abnormally Aspirated Joined Oct 18, 2003 Apr 6, 2004 #4 According to partszoneonline.com, only the long bolts are available. I screwed up the order in my earlier post; the part numbers go to the opposite bolts. 8186 is still available.
According to partszoneonline.com, only the long bolts are available. I screwed up the order in my earlier post; the part numbers go to the opposite bolts. 8186 is still available.
M MistaScott Abnormally Aspirated Joined Oct 18, 2003 Apr 6, 2004 #5 The short bolts are available too. I had the wrong part number 25526575 is the right one. Sorry bout that.
The short bolts are available too. I had the wrong part number 25526575 is the right one. Sorry bout that.
F Forcedfed BOOST ADDICT Joined Dec 20, 2001 Apr 7, 2004 #6 Thanks Scott. I'm sending my original headers out to be coated soon, it would look a lot nicer with new original bolts when I put them back on.
Thanks Scott. I'm sending my original headers out to be coated soon, it would look a lot nicer with new original bolts when I put them back on.
