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Engine timing

billd

Well-known member
Joined
Dec 9, 2001
Messages
88
Location
Denver,CO
Corvette
2001 red convertible, 1985 wht
Hi everyone,

I was just fiddling with my 84 and this question came up. Do I need to advance the timing on an 84 for altitude or does the computer handle altitude changes. Since I'm at 5000 ft normally I would expect to see about 10 degrees difference from normal timing setting.
 

Ken

Gone but not forgotten
Joined
Jan 30, 2001
Messages
8,236
Location
Hermosa Beach, CA
Corvette
1987 Z51 Silver Coupe
If all of your sensors are working correctly the computer should handle it all and you don't have to go through adjusting timing, carburetion, etc. when changing altitudes, at least here in North America.
 

vettl83

Well-known member
Joined
Apr 26, 2002
Messages
175
Location
Casper Wyoming USA
Corvette
91 L98 Quasar Blue, 91 ZR1 Red, 07 AO Coupe
Ken's right your static timing should be set 6 degrees BTDC and if everything is working properly no timing advance is needed. I run a CF at 5,100 ft. with no problems set at 6 degrees BTDC. When I changed the prom chip to a Hyperwreck thermomaster the instructions stated that if the motor starts knocking at 6 degrees, retard the timing 1 degree at a time until it stops. No knocking it's set at 6 degrees BTDC. 84 CF 91 ZR-1
 

Topless

Well-known member
Joined
Nov 12, 2001
Messages
444
Location
San Diego, CA
Corvette
1992 Convt w/hard top; 2004 Z06 Z16; 1962 327/300
billd-
The only about the altitude is that you run sssllllooooowwwwwer...

Going to Bandamier any time soon?

Mike
 

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