12-01-2013 | #311 |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Key ON, pulled IAC, cranked it, and it went to 3k rpm.
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
12-01-2013 | #312 |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Throttle bores are spotless. Butterflies let no light through when the TB was re-assembled.
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
12-01-2013 | #313 |
Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,484
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Re: TOP END REFINISHING
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12-01-2013 | #314 |
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: TOP END REFINISHING
Don't pull the IAC valve, only the electrical connector to the IAC valve. With the IAC valve removed, you have opened a large bypass around the throttle body.
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
12-01-2013 | #315 | |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Quote:
(I had a feeling that's what you were getting at there Steve ) I should have said that I pulled the IAC CONNECTOR...
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 12-01-2013 at 06:58 PM. |
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12-01-2013 | #316 |
Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,484
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Re: TOP END REFINISHING
OK, seems like that would be an easy mistake to make. I thought about rereading the whole thread, figured it must have already been mentioned, but it's a loooong thread.
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12-01-2013 | #317 | |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Quote:
I cannot get an Allen head in that Min Adj stud either... I did get a 5/16" on the nut, and got it backing out ATM.
__________________
I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
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12-01-2013 | #318 |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Put a phone book over the TB extension - a hiss started, then got LOUD...
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
12-01-2013 | #319 |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: TOP END REFINISHING
Found it. Right [near] the FPR vacuum connection to the plenum.
(turned out to be the plenum-to-PCV cap connector. It had a zip tie, and I hadn't replaced it) Can't hear it too well in the vid; I tried to get the hose near the mike in the cam, but when I held the hose to my ear, it almost pulled out my brain cells. All 2 of 'em http://www.youtube.com/watch?v=Hw0mfEs8bLk So now, it's still idling with a 150rpm swing, 775 - 925... An IRREGULAR lope.
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 12-01-2013 at 07:00 PM. |
12-01-2013 | #320 | |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: TOP END REFINISHING
Quote:
START motor, then let it idle down. What happens? Still surging? Also, if you unplugged IAC, you should have done an IAC reset after plugging it back in.
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