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Old 12-29-2019   #11
Dynomite
 
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Default Re: Injector Housing Gasket Replacement

Quote:
Originally Posted by Paul Workman View Post
And, here is a link to Del City which carries just about all the connectors (with maybe the big one attached to the Digital Ignition System (DIS) module).
And if you go on Ebay......... search for Electrical Connector Tool and you then can replace the connector only without having to splice in (purchase) a PigTail.

Last edited by Dynomite; 12-29-2019 at 11:21 AM.
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Old 12-30-2019   #12
wutanec
 
Join Date: Sep 2018
Location: Placentia, CA
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Default Re: Injector Housing Gasket Replacement

Success! Thanks to you guys I have been able to pull the plenum and IH for the first time without too much trouble! I really appreciate those who chimed in
It looks like IH gaskets have been leaking for quite some time as it looked quite nasty down there. I am glad I tackled this one over thess holidays.

I DID run into some trouble however.....When I was pulling the IH on the driver's side, I guess I did not drain enough coolant so some coolant got into the valves, ports to the cam, and starter valley....I was able to clean the valve ports and valley but I am kind of concerned about having coolant mixed with oil...not sure how much got in either...
I am assuming I need to change the oil right away as well?
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Old 12-30-2019   #13
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Default Re: Injector Housing Gasket Replacement

It’s amazing how loose the IH bolts can get. Remove all the spark plugs and spin the engine over with the starter. This will blow out anything in the cylinders. Then change the oil. You should be good after that.
H
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Old 01-01-2020   #14
wutanec
 
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Default Re: Injector Housing Gasket Replacement

Okay I am installing the injectors and fuel rail now. Do I need to install injectors to the rail first? or do they go to the housing first? What is the usual process that works well on ZR1?
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Old 01-01-2020   #15
Subfixer
 
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Default Re: Injector Housing Gasket Replacement

I assembled the rails and fuel pressure regulator/fuel transfer tubes first.
I installed the injectors in the rails next, so you can get the clips in.
Then position the rails/injectors over the holes and push them in carefully. Lube the o-rings first.
Be careful not to disturb the fuel transfer tube O-rings.
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Old 01-01-2020   #16
Ccmano
 
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Default Re: Injector Housing Gasket Replacement

I mount the injectors to the fuel rail first. Then install the rail to the IH. Then hook up the electrical connectors to the injectors. To me at least the reverse of how lt all came off.
H
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90'ZR-1 #1461 Red/Black
Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold
08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold
05 C6 Z51 Red/Black Sold
90'ZR-1 #1723 Black/Gray Sold but not forgotten
91' Z51 L98 White Vert. My First, you always remember your first. Sold.
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