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1985 Tune-Up

wescarver

Member
Joined
Jan 17, 2006
Messages
7
Location
HKY
Corvette
1985 "Ruby"
Can anyone suggest types of plugs, wires, cap and rotor best used for my tune-up on my 1985 116,000 miles. Currently using Autolite plugs gapped at .045.
 
Joined
Jan 15, 2004
Messages
2,240
Location
Northern Indiana
Corvette
1987 Z52 Black Convertible
I have an Accel coil, cap, and rotor, and wires and ACDelco Rapidfire spark plugs. But I haven't heard to many bad things about Autolite spark plugs either. If you are doing a tune up I would also change the inline gas filter right underneath the passenger side door rail.
 
L

lwhssh

Guest
A tip (if you don't already know) The forward plug on the passenger side is a *****. The only way I could get to it was by removing the right front wheel & the wheel well sheilding. With that out of the way you can get it. It's still not easy,but you can do it. Good luck. Careful, don't cross threads !!!
 
Joined
Jan 15, 2004
Messages
2,240
Location
Northern Indiana
Corvette
1987 Z52 Black Convertible
A tip (if you don't already know) The forward plug on the passenger side is a *****. The only way I could get to it was by removing the right front wheel & the wheel well sheilding. With that out of the way you can get it. It's still not easy,but you can do it. Good luck. Careful, don't cross threads !!!

There is a whole there in the wheel well, that should let the socket and the extension fit without taking anything off...
 

Wayback

Well-known member
Joined
Aug 14, 2006
Messages
496
Location
S-NJ
Corvette
93 Ruby Aniv roadster/6spd
On my 85 I went with the Hypertech coil,cap, rotor kit.Bosch 2 plat plugs & ox sender.Autolite 8.5 wires.Purealator air & fuel filters.Cleaned the tb with STP spray cleaner.
 
R

rel3rd

Guest
There is a whole there in the wheel well, that should let the socket and the extension fit without taking anything off...

I just did mine a few weeks ago and did that exact thing. Didn't remove anything at all.

Now re-installing the distributor cap plug wire retainer was a different story...lol.

The plugs are supposed to be gapped at .035" though. I used Autolite #3924's. Can't remember the distributor cap and rotor numbers, but they were the "H.D." versions from Blue Streak, which have the brass terminals. Plug wires were standard replacement BorgWarners.
 

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