A fellow Corvette friend of mine for approx 30 yrs has a problem observing the timing tab on his 427 CI with factory air and pwr steering. Any recommendations ?
Timing of '69 427CI
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Re: Timing of '69 427CI
There's a lot of stuff in the way, but it's doable. Clearly mark the line on the balancer, use a bright timing light and move in close while being mindful of the fan and belts.Mark Edmondson
Dallas, Texas
Texas Chapter
1970 Coupe, Donnybrooke Green, Light Saddle LS5 M20 A31 C60 G81 N37 N40 UA6 U79
1993 Coupe, 40th Anniversary, 6-speed, PEG 1, FX3, CD, Bronze Top- Top
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Re: Timing of '69 427CI
Hello Gene, I have tuned up a friends 1969 427 with AC and found it convenient to remove the belts to time the engine. This prevents any damage to the light enabling you to get the light closer to the balancer and timing tab. You can do this when the engine is cool and running the engine for the short time to set the timing will not create a problem. You may want to install new belts at the same time as preventative maintenance. John- Top
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Re: Timing of '69 427CI
My LS5 with the same accessories is a bear to time. While removing the belts is surely not a bad idea I think that the fan is by far the greatest source of danger. Be careful!
And of course, wearing a tie is probably a bad ideaStay safe!
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Re: Timing of '69 427CI
No more shop classes have put an end to almost all those cautions, but they are worth mentioning once in a while here. Use jack stands and not a hydraulic jack as well. My brother just barely survived one of those incidents.Terry- Top
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Re: Timing of '69 427CI
Affix a new timing tab (index) somewhere easily visible. Using original balancer mark and original timing tab, set engine to TDC on #1. Mark a new TDC line on balancer relative to your new (now easily seen) timing tab/index. Then use a "dial back" timing light to set timing.
DaveJudging Chairman Mid-Way USA (Kansas) Chapter- Top
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Re: Timing of '69 427CI
If OSHA regulations were applicable to the pubic for the safety hazards our engine compartments have, we'd be in DEEP trouble...
Rotating parts can catch hair, loose pieces of clothing, or a body part like a finger, resulting in amputations or worse when pulled into an "energized rotating device". Rotating parts in our hobby include driving shafts (wherever they are), pulleys, belts, fan blades, wheels, revolving drums and the projecting ends of a rotating shaft...
At higher RPMs, wear safety glasses or a comfortable full face shield (my preference) - and be aware of where your BODY PARTS are when you're divin' in there
You only get one set of eyes, fingers and hands - take care of 'em and don't lose 'emthx,
Mark- Top
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Re: Timing of '69 427CI
Mark, I agree with all your wise comments. However,what do you recommend would prevent small ruptures of one's knuckles, causing excessive bleeding in the engine compartment, when attempting the replacement of one's spark plugs in a small block.- Top
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Re: Timing of '69 427CI
Yeah, some jobs just don't lend themselves to "uninjured participants"
and sometimes wearing any kind of glove is an annoyance with loss of dexterity...
When I did a few jobs in various glass plants (PPG and Ford) certain operations used "chainmail" gloves to prevent cuts (fresh-cut, unbuffed glass edges are like a razor!). I guess food preparers, butchering operations, and knife sharpening and cleaning also use them.
Nowadays, Kevlar and other super strong and flexible glove materials far exceed what was available back in my day...thx,
Mark- Top
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