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10-08-2020, 11:38 AM | #1 |
Senior Member
Join Date: Jul 2018
Location: Vacaville, CA
Posts: 535
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Looking for distributor advice
So the project took a (somewhat) unexpected/unwanted detour yesterday. Not wanting to crack open the 350 from a 1972 Impala that was in my truck, I was was finally at the point of no return. Time to open her up. My neighbors dad is in town due to a severely ill relative and needed a distraction. He is a big gearhead so he has been walking over quite a bit to see what I have going on. I gave a wrench and boy did we have that thing apart in say 10 mins?
Anyhow, the engine has a BAD cylinder, needs head work, a couple other cylinder were questionable so I said screw it and ordered a GM crate 350. Just their basic entry level one. I am going to need a new distributor for it. So putting out for masses and want to see what you would order up for it. Am I a glutton for punishment, yes, but I am really thinking I want to stay with the small cap style and not the large cap HEI. But I want your honest opinions. This motor is basic and will be run with ram horns, an Edelbrock Performer and 1406 carb as I have that already. It’s a daily around town driver on my days off and run to the local drive in car shows. And it’s going to be backed by it’s 3OTT. Thanks for the info in advance.
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1971 Custom/10 - 350/3 speed, Orange/White roof |
10-08-2020, 01:17 PM | #2 |
Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: Looking for distributor advice
That was the second thing i ditched in my truck was points dizzy 1st was external regulator altenator
I ran hei in all my k10s and k20 i have owned Motor sits in back position tight but fits |
10-08-2020, 01:35 PM | #3 |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,722
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Re: Looking for distributor advice
Can't tell you what to do, but happy to tell you what I did. After changing points & condenser a few times in my K20, on my belly atop the engine, I installed a used GM HEI in 1980. Best thing I ever did for my truck (and for me).
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
10-08-2020, 02:17 PM | #4 |
Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,350
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Re: Looking for distributor advice
I highly recommend getting an early cast iron distributor. The early units have larger and better quality bushings giving you accurate spark distribution equal to the best units on the market today. Plus you can keep your small cap!
After cleaning and verifying the bushings are good install the basic Pertronix point replacement module. Solid units that I have run in various vehicles over the years with no failures. For best performance (both HP and mileage) have the distributor curved by someone who is experienced with a distributor machine. And just in case I carry a set of points and the screws to get me home if any thing did go wrong. This is the one for my Burban in the photos.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
10-08-2020, 11:02 PM | #5 |
Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,055
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Re: Looking for distributor advice
There's a variety of small cap/external coil H.E.I. distributors out there. Speedway sells one for under $70. Awhile back we replaced the tach. drive points distributor on a friend's '64 Corvette with a small cap H.E.I. tach. drive. Bought the stock looking one w/black cap & wires. The car starts & runs much better.
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Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! |
10-09-2020, 10:22 AM | #6 | |
Senior Member
Join Date: Jul 2018
Location: Vacaville, CA
Posts: 535
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Re: Looking for distributor advice
Quote:
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1971 Custom/10 - 350/3 speed, Orange/White roof |
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10-09-2020, 10:40 AM | #7 | |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,731
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Re: Looking for distributor advice
Quote:
Some you use a ballast resistor. Like a mopar does. You want to stay stock looking then this would be the way to go. https://www.summitracing.com/parts/p...xoCd9kQAvD_BwE |
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10-09-2020, 11:39 AM | #8 |
Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,055
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Re: Looking for distributor advice
The one we installed used a straight 12v. Deleted the resistor wire. Bought a black stock looking high voltage coil with the distributor. The old Corvette doesn't get driven enough and it used to foul plugs and run crappy after it sat for a month or two. Much better with the H.E.I.
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Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! |
10-09-2020, 11:54 AM | #9 |
laying low
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,514
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Re: Looking for distributor advice
Switching to GM HEI is the best change I ever made to any of my vehicles. Starts easier and idles smoother due to a better spark. Set it and leave it alone. And the biggest plus is they are simple and you can find parts almost anywhere. I've only used the large cap dist but now that I have moved my engine to the 4wd location a smaller cap model would make it a bit easier to service. I'm not big on aftermarket units or conversions.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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