Intake runner size - ZR-1 Net Registry Forums

LGAFF · 03-09-2009

Yesterday I pulled the plenum(special thank you to whoever loctited the Air horn torx bolts>

While I was in there I took a shot of the bottom of the IH to show how much the ports neck down. 31.11mm in this shot, the plenum and tops of the IH were all 33+

While I was in there I replaced thecoils with Autozone(Wells) coils, also pulled the started and found and extra plenum bolt and a 1/4" socket. Breather hoses replaced as well, as they were rock hard!

03-09-2009	#1
LGAFF Join Date: Mar 2007 Location: Crystal Lake, IL Posts: 7,194	Intake runner size Yesterday I pulled the plenum(special thank you to whoever loctited the Air horn torx bolts> While I was in there I took a shot of the bottom of the IH to show how much the ports neck down. 31.11mm in this shot, the plenum and tops of the IH were all 33+ While I was in there I replaced thecoils with Autozone(Wells) coils, also pulled the started and found and extra plenum bolt and a 1/4" socket. Breather hoses replaced as well, as they were rock hard! __________________ LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359