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04-28-2003, 05:28 PM
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#1 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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HEI...firing order.
anyone got a top view of an HEI so i know what wire go to what cyclinder? thanks. a a brief discription might help too...
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04-28-2003, 05:42 PM
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#2 |
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Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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If you're looking down at the top of the cap, #1 is the second plug clockwise of the harness plug-in.
Technically, it doesn't really matter which plug you use for #1, as long as that's the one that the rotor is pointing to when you're at TDC on the compression stroke for cylinder #1. If you don't think your rotor is lining up right, the correct way to do it is to get your engine to TDC on the compression stroke for #1, remove the distributor cap, and make a mark on the body of the distributor at the point the rotor is facing. When you put the cap back on, the plug directly over that should be #1. In general, in this position you want the rotor pointing generally towards cylinder 1 (front, drivers side), because that gets your distributor facing the correct direction for the vacuum advance port and the power hookups. Good luck, Brian |
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04-28-2003, 05:43 PM
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#3 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,442
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Plug wire #1 is at the 5 o'clock position. Clockwise from there it's 8-4-3-6-5-7-2
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Mike 1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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04-28-2003, 06:00 PM
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#4 |
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CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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Check the firing order, a small block chevy firing order is 1-8-4-3-6-5-7-2. #1 cylinder is the first cylinder on the drivers side(left) and distributor rotation is clockwise.
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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04-28-2003, 06:02 PM
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#5 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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thanks amigos. I lost my book on this stuff info.
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04-28-2003, 06:35 PM
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#6 |
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Member since 2000
Join Date: Dec 2000
Location: Mountain View Ca / Mexico
Posts: 7,879
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WOW!
It been a while since the truck started up easly without the gas peddle being held down. it was nice. I just need to get that timing on right, but it just started raining. Even though I love rain. it's not the best thing when tuning a engine.
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