ZR-1 Net Registry Forums - Plenum Pull Advice, Starter Rebuild, MAP Sensor Info

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- C4 ZR-1 Technical Postings (http://zr1.net/forum/forumdisplay.php?f=9)

- - Plenum Pull Advice, Starter Rebuild, MAP Sensor Info (http://zr1.net/forum/showthread.php?t=19624)

scottfab

03-02-2013 02:09 PM

Re: Plenum pull advice

Quote:

Originally Posted by mgbrv8 (Post 165552)

.....snip...
I also have made some plates to go on on the pcv vent plumbing to help hold the assembly together.

Dave :cheers:

Good solution for the loose PVC tube.
I did this in 1998. If you look close you'll see
a screw head with washer. When you tighten the nut on
the other side it pinches the rubber making the connection
tight again. It slides on/off tight.
(sorry about the low res pic)
http://zr1.net/forum/picture.php?alb...pictureid=2059

mgbrv8

03-03-2013 08:27 PM

Re: Plenum pull advice

3 Attachment(s)

I rebuilt my starter, all new bearings and bushings works great. but the idea of it happening again really bothered me I really don't like this solenoids design so to give me a way out if it happens again I put a cable running from the stater motor wire ( the Black one) and spliced the purple solenoid wire (the blue one) and sheathed them in abrasive resistant loom material. Now theses wires will be coiled and insulated at the back of the plenum so if it acts up again I can get them and add a external solenoid so my starter can work. I know there will be mixed opinions on this but being a mechanical engineering I am very OCD about this stuff.

Dave :cheers:

mgbrv8

03-05-2013 09:40 AM

Re: Plenum pull advice

Are both maps sensors Under the hood the same part number??

Dave

scottfab

03-05-2013 10:29 AM

Re: Plenum pull advice

Quote:

Originally Posted by mgbrv8 (Post 165833)

Are both maps sensors Under the hood the same part number??

Dave

Both MAP sensors? I only know of one.

Paul Workman

03-05-2013 12:11 PM

Re: Plenum pull advice

Quote:

Originally Posted by mgbrv8 (Post 165833)

Are both maps sensors Under the hood the same part number??

Dave

Only one MAP sensor (#7 - see diagram) at the back of the plenum. Perhaps you're thinking of the (secondaries) pressure switch (#11) under the '90s ECM (for certain) which at some point was later located the plenum, if I recall correctly. Anyway - no two MAPs in the diagram.

http://i185.photobucket.com/albums/x...tsLT5Large.jpg

P.

mgbrv8

03-05-2013 09:25 PM

Re: Plenum pull advice

2 Attachment(s)

Quote:

Originally Posted by scottfab (Post 165835)

Both MAP sensors? I only know of one.

I know there is one behind the intake near the firewall. But I was referring to the one under the computer and above the battery.

Dave:handshak:

mgbrv8

03-05-2013 09:30 PM

Re: Plenum pull advice

5 Attachment(s)

Today I got the new water pump on and began routing vacuum lines and installed some of my new solenoids in the brackets.

scottfab

03-05-2013 10:04 PM

Re: Plenum pull advice

Quote:

Originally Posted by mgbrv8 (Post 165884)

I know there is one behind the intake near the firewall. But I was referring to the one under the computer and above the battery.

Dave:handshak:

I think that is the vacuum sensor for the secondaries.

mgbrv8

03-06-2013 02:18 AM

Re: Plenum pull advice

Quote:

Originally Posted by scottfab (Post 165888)

I think that is the vacuum sensor for the secondaries.

So would that be the same parts number??

Dave

scottfab

03-06-2013 07:03 AM

Re: Plenum pull advice

Quote:

Originally Posted by mgbrv8 (Post 165903)

So would that be the same parts number??

Dave

I have no idea but I do know the only time I've even heard of a MAP sensor failing was when the inlet tube broke off.

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