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#1 |
Registered User
Join Date: Nov 2006
Location: Jacksonville FL
Posts: 12
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Firing pattern for Small blck V8
This may sound dumb but can anyone give me a diagram for a small block 350 firing pattern. From the distrubutor cap to the heads thank you.
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#2 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: Firing pattern for Small blck V8
Crude but should give you the info:
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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#3 |
Registered User
Join Date: Nov 2006
Location: Jacksonville FL
Posts: 12
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Re: Firing pattern for Small blck V8
What about for a HEI
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#4 |
Registered User
Join Date: Nov 2006
Location: Jacksonville FL
Posts: 12
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Re: Firing pattern for Small blck V8
I dont know who ever built the motor before I got the truck had a way different pattern on there and now I can not get the truck right. I try to start it and it backfires like a shotgun going off.
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#5 |
Registered User
Join Date: Oct 2004
Location: Austin, Texas
Posts: 73
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Re: Firing pattern for Small blck V8
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#6 |
In Memoriam...
Join Date: Nov 2006
Location: Wallburg, NC
Posts: 1,216
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Re: Firing pattern for Small blck V8
here's the same info as above, dressed up a bit. Also shows good idea of routing for the wires with ram horn exhaust. Sorry the scan is blurry showing the distributor.
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'68 C10 SWB 307ci 2BBL FarmTruk Pics Here "You know, doing what is right is easy. The problem is knowing what is right." |
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#7 |
I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: Firing pattern for Small blck V8
Gear head make sure you have the rotor pointing in the right direction at TDC so that you know the dist is in phase with the cam.There will be better instructions in the FAQ's or a search than I can give.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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#8 |
Registered User
Join Date: Dec 2006
Location: Oviedo, Florida
Posts: 11
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Re: Firing pattern for Small blck V8
I bought a truck from a friend one time, and he had just dropped the distributor in, and #1 was not in the standard location. It still goes 18436572, no matter where #1 is at TDC of the compression stroke. This drove me nuts! See where the distributor is pointing when the #1 cylinder is at TDC of the compression stroke. It may not be where it normally would be located, according to the book. Start from there. The other information above is good. I have heard of changing the order by swapping #4 and #7, but the cam would have to be changed to accomplish this.
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#9 |
Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: Firing pattern for Small blck V8
Take # 1 plug out and and bump engine over with your finger over plug hole. When it tries to push your finger off it is coming up on #1 fireing stroke.Bring it on around until the timeing marks are lined up on TDC. Check to see where your rotor is pointing and wire it starting there with #1.
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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