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| | | Forums66 Topics128,034 Posts1,055,547 Members48,425 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Feb 2006 Posts: 6 New Guy | | New Guy Joined: Feb 2006 Posts: 6 | Was checking spark on my 261 and found it's pretty weak, its been running a little rough lately. The points and wires/ plugs look pretty good so I thought I'd throw a coil at it. Is there anything to putting a higher output coil on it, or would I be wasting money and possibly burning up my points? Any ideas? :confused: | | | | | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | wrecker55,
What a great town you hail from! The points are only the 'trigger' for the secondary voltage. It is the secondary voltage that would be the hi-output value, so it wouldn't affect points.
Save your dough..unless you are running tons of compression and making it tough for a conventional coil to fire the plug, you are wasting money (IMHO).
You can check spark until the cows come home...the real test is out on the highway with your number 13 mashed to the metal. How does it perform on the real world dyno?
Stuart-not-in-IA | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | A high output coil is not nessesary & would probably burn the points. Check the wires with an ohm meter. Resister wires should have no more than 10,000 ohms per foot. It should through a fat blue spark about 1/4 to 1/2 in. If you use it regularly I would install an elec. conv. kit. THen you may want to get the matching high output coil. They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Oct 2006 Posts: 40 New Guy | | New Guy Joined: Oct 2006 Posts: 40 | I agree with Wrenchbender, why not try a Petronic's unit that will adapt to your stock dist. & I would change the plug wires... Try looking under the hood @ night (w/out light) & see if you can see any plug wire "arching" to the block / frame etc., if so, you need plugs wires...
--------------------------------------------------- Are old trucks ever fixed, if so, whould there be a "Stovebolt" page !
'53 GMC "Ranger"
| | | | | Joined: Mar 2006 Posts: 113 Shop Shark | | Shop Shark Joined: Mar 2006 Posts: 113 | Remember too that coils are "lazy" - they'll only produce the minimum output voltage necessary. Many a rodder has thrown money at a HO coil hoping to "rejuvenate" only to be disappointed when it fails to compensate for other worn, misadjusted, or broken parts.
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