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Topic: Doug Nash 4+3 ideas wanted...

in Forum: C4 Driveline Components


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Doug Nash 4+3 ideas wanted... (1/4)
 10/29/16 11:05am
katanaman
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Ocean Park, WA - USA

Vette(s):
2001 Coupe, 1988 35th Anniversary Coupe currently used to own 1987 Coupe and 1998 Coupe


Joined: 9/30/2016
Posts: 47

  Okay.  Battery panel dealt with.  Next issue is the shifter.  As all of you Doug Nash 4+3 owners know, you need to leave the car parked with reverse selected.  I have noticed on several occasions that the lever gets "stuck" sometimes.  Is this a lubrication issue for the "gate" or at the lever, or could there be something more sinister happening?  What works for you?          Thanks, Dan
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Re: Doug Nash 4+3 ideas wanted... (2/4)
 11/2/16 1:20pm
A320Jim
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Des Moines, IA - USA

Vette(s):
1994 coupe Black/black 6spd


Joined: 1/3/2016
Posts: 11

I have had my eye on a '87 with the 4+3 for my son and I hadn't heard of this quirk before.  I guess I better do some more research.
Re: Doug Nash 4+3 ideas wanted... (3/4)
 11/10/16 5:37pm
katanaman
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Ocean Park, WA - USA

Vette(s):
2001 Coupe, 1988 35th Anniversary Coupe currently used to own 1987 Coupe and 1998 Coupe


Joined: 9/30/2016
Posts: 47

I have only had this car, my first Corvette, for a month and change.  My understanding is that (and it does...) the ignition bites down on your key and won't let you have it back until the lever is placed into REVERSE.  That's all...  but I do notice that sometimes the lever acts like it's welded into place and is hard to move into neutral.  I am wondering if there is an obvious area to lubricate or if there is a burr hidden someplace that makes the lever stick.  I sure like the transmission a bunch and hope mine holds up well.  The newer 6 speed seems more sophisticated because it lacks the electric overdrive (which is similar to the overdrive in the MGB this Corvette replaced).  Mostly, though, I noticed that with the switch on the top of the shifter knob itself, the owner of a such - equipped car cannot take advantage of any descent aftermarket or custom shifter knob so that makes just one more opportunity to jazz up the interior go away.!
Re: Doug Nash 4+3 ideas wanted... (4/4)
 5/8/17 12:41am
katanaman
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Ocean Park, WA - USA

Vette(s):
2001 Coupe, 1988 35th Anniversary Coupe currently used to own 1987 Coupe and 1998 Coupe


Joined: 9/30/2016
Posts: 47

  Hah!  I just found out what the problem was.  Now, I was told that the car had gotten a new clutch just before I picked it up, and a poor installation might have been indicated.  Here I am, a few months down the road -- I've been fixing stuff up and getting to know the car better, then last week was the first show for the new car.  Once I got home, I decided, since it's a month before the next show, that I would tackle the shifting problem.  I used both a Clymer's and the oem GM manual's guidance...
  Both manuals didn't mention the metal key you have to remove to get the shift knob off.  And both manuals didn't bother to mention that I would need to get under the car to tweek the shift rods.  But...  by the time I had exposed the shifter mechanism by removing the panel, I found a likely culprit.  I thought that there was something that appeared to be kid's breakfast cereal in the shifter area pocket, but when I went to vacuum it up, it hit the canister hard.  I took a closer look at a couple of chunks and decided that it was something much larger and that it was broken up or crushed.
  I didn't have the "gage pin" the manuals called for, and instead used the drill bit to check for the alignment.  It was fine, and the test ride was, too.  So I think that for me, the issue I had was foreign object related, although I don't really know how the substance got in there.  At least now, I know how to adjust the rods later on, but I think I fixed it for now.
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