Randy and Easton
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- North Richland Hills, Texas
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- Randy
- Truck Year
- 1976
- Truck Model
- C-10 LWB
- Engine Size
- 350
Great explanation @Ricko1966 ! Thanks
hei distributor
- Thread starter mjck5
- Start date
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potent rodent
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- indiana
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- butch
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- 86 and 78
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- 1500
- Engine Size
- 350 and 305
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this is what i got sure beats trying to dial in your dist well woth the money
Randy and Easton
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- 1976
- Truck Model
- C-10 LWB
- Engine Size
- 350
potent rodent
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- butch
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- 86 and 78
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- 1500
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- 350 and 305
its high doller for a dist but well woth the money. u would spend that mutch on a billit msd dist
MikeB
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- Truck Year
- 1969
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- C10
- Engine Size
- 355
Forget about RPM claims unless you're a racer. A bone stock HEI will work to at least 6,000 RPM.
And as others have said, don't cheap out on an HEI. I've had good service from stock GM, stock GM with MSD internals, and MSD Street Fire.
I did have a flaky ProForm HEI that had too much paint between coil and ground wire ring terminal. Drove me nuts for a while, but scraping off some paint fixed the problem. It worked great after that.
Just remembered I had an MSD E-curve distributor for several years, but being stupid, I left it in a car that I sold. It's set up with DIP switches, but tricky to do until you understand the concept. I watched a TV show where the guys were installing one and they were totally clueless! Made me feel really smart! Unfortunately those suckers cost >$600 now.
FWIW, I've had at least 5 different HEIs and installed another 3-4 in friend's vehicles over the last 30 years, and have NEVER had a module failure. Carrying a spare isn't a bad idea, but but why not go all the way and carry a spare coil? And then a fuel pump, alternator, headlight, flat fix...
And as others have said, don't cheap out on an HEI. I've had good service from stock GM, stock GM with MSD internals, and MSD Street Fire.
I did have a flaky ProForm HEI that had too much paint between coil and ground wire ring terminal. Drove me nuts for a while, but scraping off some paint fixed the problem. It worked great after that.
Just remembered I had an MSD E-curve distributor for several years, but being stupid, I left it in a car that I sold. It's set up with DIP switches, but tricky to do until you understand the concept. I watched a TV show where the guys were installing one and they were totally clueless! Made me feel really smart! Unfortunately those suckers cost >$600 now.
FWIW, I've had at least 5 different HEIs and installed another 3-4 in friend's vehicles over the last 30 years, and have NEVER had a module failure. Carrying a spare isn't a bad idea, but but why not go all the way and carry a spare coil? And then a fuel pump, alternator, headlight, flat fix...
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Ricko1966
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- Apr 11, 2017
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- kansas
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- Rick
- Truck Year
- 1975
- Truck Model
- c20
- Engine Size
- 350
Yep GM modules are good modules most of the after market ones are Luck of the draw. And I 100 percent agree well if we're going to carry a module m8ght as well Carry an alternator, harmonic balancer,flex plate,starter,carb kit. Etc. Etc.
Octane
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- Dec 31, 2019
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- Location
- Atlanta
- First Name
- Eddie
- Truck Year
- 1977
- Truck Model
- K10
- Engine Size
- 350
My truck hei module lasted 39 years before failure,with 125k miles on it.Forget about RPM claims unless you're a racer. A bone stock HEI will work to at least 6,000 RPM.
And as others have said, don't cheap out on an HEI. I've had good service from stock GM, stock GM with MSD internals, and MSD Street Fire.
I did have a flaky ProForm HEI that had too much paint between coil and ground wire ring terminal. Drove me nuts for a while, but scraping off some paint fixed the problem. It worked great after that.
Just remembered I had an MSD E-curve distributor for several years, but being stupid, I left it in a car that I sold. It's set up with DIP switches, but tricky to do until you understand the concept. I watched a TV show where the guys were installing one and they were totally clueless! Made me feel really smart! Unfortunately those suckers cost >$600 now.
FWIW, I've had at least 5 different HEIs and installed another 3-4 in friend's vehicles over the last 30 years, and have NEVER had a module failure. Carrying a spare isn't a bad idea, but but why not go all the way and carry a spare coil? And then a fuel pump, alternator, headlight, flat fix...
1lejohn
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- Joined
- May 14, 2012
- Posts
- 201
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- 390
- Location
- texas
- First Name
- john
- Truck Year
- 1985 , 2004
- Truck Model
- k-1500, 2500 HD
- Engine Size
- 350, 6.7
Ditch the modules and by an MSD 6AL box. This gets rid of the coil under the cap the module, built in rev limiter, and built in anti-theft. You can even by the adjustable timing control and adjust your timing on the fly. I haven't bought one yet. I don't see a need for it on my truck at this time. I went with a FAST dizzy. I had an Accell one that failed. It ran one day and not the next. I trouble shot the MSD box and I think the pickup on the dizzy died. I have had several parts fail like this on this truck during this last round of upgrades. A Jeg's brand fuel pump left me stranded in the middle of the road heading to work. I bought an Edelbrock one. It was expensive. So far so good. Sometimes I think these old trucks are haunted.
Last edited:
Octane
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- Dec 31, 2019
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- Eddie
- Truck Year
- 1977
- Truck Model
- K10
- Engine Size
- 350
I've went thru 2 or 3 new fuel pumps recently.Neither had anymore than 1 to 2 hundred miles on them.Got stuck on road twice.One pump was just noisy as could be.Napa pumps.I'm using a carquest carter pump now.150 miles and counting.Bad manufacturing everywhere China touches.And is it easy enuff to change and wire a msd box?Ditch the modules and by an MSD 6AL box. This gets rid of the coil under the cap the module, built in rev limiter, and built in anti-theft. You can even by the adjustable timing control and adjust your timing on the fly. I haven't bought one yet. I don't see a need for it on my truck at this time. I went with a FAST dizzy. I had an Accell one that failed. It ran one day and not the next. I trouble shot the MSD box and I think the pickup on the dizzy died. I have had several parts fail like this on this truck during this last round of upgrades. A Jeg's brand fuel pump left me stranded in the middle of the road heading to work. I bought an Edelbrock one. It was expensive. So far so good. Sometimes I think these old trucks are haunted.
1lejohn
Full Access Member
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- May 14, 2012
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- 201
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- 390
- Location
- texas
- First Name
- john
- Truck Year
- 1985 , 2004
- Truck Model
- k-1500, 2500 HD
- Engine Size
- 350, 6.7
I took my failed pump apart and the diaphragm has a metal tab(button) that the arm pushes on. It had some how moved out of position, thus no pump action. The MSD comes with good directions. I ran a hot, and a ground from the battery to the box. I used an external coil so you need a wire and ground to it. It comes with a new plug in connecter to the dizzy for the pick up signal.
vintovka
Member
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- Feb 16, 2017
- Posts
- 33
- Reaction score
- 31
- Location
- or
- First Name
- vin
- Truck Year
- 84
- Truck Model
- k10
- Engine Size
- 350
Since we are fuel issues be aware many clear plastic filters are coming apart inside allowing debris to either go right to pump or carb or the filter itself to block outlet. Even the ones that may still be supplied by edelbrock have failed.
luna negra
Member
- Joined
- Jul 3, 2019
- Posts
- 35
- Reaction score
- 25
- Location
- central texas
- First Name
- luna
- Truck Year
- 1979
- Truck Model
- Jimmy
- Engine Size
- 350
FWIW, I purchased this distributor for $83 based on the good reviews but wouldn't recommend it. https://www.amazon.com/dp/B08TB5KGNX/ The wire connections are cheap and fit rather loosely. I wish I would have bought a better one but it works for now, especially after new springs.
