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HEI #1314339 Fri Jun 14 2019 07:37 PM
Joined: Feb 2001
Posts: 6,592
W
WE b OLD Offline OP
Master Gabster
Can someone recommend an HEI that is not a modified old style for my 1954 235? Or would it bad to switch back to a regular distributor?


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: HEI [Re: WE b OLD] #1314340 Fri Jun 14 2019 07:47 PM
Joined: Apr 2005
Posts: 7,723
Justhorsenround Online
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
Ron, are you wanting one with the large cap? If so, they are all over EBay.


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: HEI [Re: WE b OLD] #1314344 Fri Jun 14 2019 08:13 PM
Joined: Feb 2001
Posts: 6,592
W
WE b OLD Offline OP
Master Gabster
Funny as it seems I have felt that my gas mileage issues were related to the distributor but when everyone fixated on my carbs so did I. Today I saw a youtube video where they were having mileage issues so he replaced the Distributor. He explained what happens when the timing is off or the vacuum advance is not working. When my issues started I had an electrical problem which I finally traced it to a loose ignition switch. But by then the shop had messed with the dist. When I drove it to the Vintage truck magazine show last Aug the truck seems to lose power on uphill just seem to have no reserve. So the issues the video mention mimicked what I was experiencing. So they properly set the timing and put a different distributor. They went from 5.5 to 8.8. After the change. The truck they have is a car hauler truck. Aren't you glad you asked? I had the dist. checked and also the timing but it was the same people that I think messed it up. Where I live there is not much choice.


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: HEI [Re: WE b OLD] #1314394 Sat Jun 15 2019 03:43 AM
Joined: Dec 2002
Posts: 3,058
Rusty Rod Online
Moderator - The Electrical Bay and Rocky Mountain Bolters
Checking the timing is an easy task.

That said, I once had a (non-hei) distributor with a cracked shaft. It would rotate just enough to kill the engine. I'd reset the dwell, it would run fine for a bit, then die.
It drove me crazy for a couple weeks until I noticed that the top of the shaft was moving around. I dropped in a new dizzy and was off to the submarine races.


Another quality post.


Real Trucks Rattle

HELP! The Paranoids are after me!
Re: HEI [Re: WE b OLD] #1314505 Sun Jun 16 2019 03:25 PM
Joined: Feb 2004
Posts: 19,025
H
Hotrod Lincoln Offline
Boltergeist
The "new" big cap HEI units on Ebay are offshore knockoffs with poor-quality castings and questionable-reliability electronics. They might make a good starting point for building up a good HEI unit, but don't expect everything to drop in and work right. I used a small-cap 2.8 liter V6 offshore knockoff to build a Mini-HEI similar to Langdon's unit for about half the price he's asking, but it takes some major modifications including doing machine work to the housing, fabricating a shaft extension, and changing the drive gear. The big-cap 250/292 distributor is an easier modification, but that one requires machining the housing collar off and making a hold-down bracket to get the oil pump drive tang on the distributor shaft to engage properly.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: HEI [Re: WE b OLD] #1314567 Mon Jun 17 2019 01:24 AM
Joined: Mar 2010
Posts: 8,474
5
52Carl Offline
Master Gabster
My biggest complaint with the el cheapo eBay knockoffs is the wire terminal spade connectors. They are made of putty and cause all kinds of crazy problems when they get loose.

Re: HEI [Re: WE b OLD] #1314598 Mon Jun 17 2019 12:19 PM
Joined: Feb 2001
Posts: 6,592
W
WE b OLD Offline OP
Master Gabster
Thanks for warning me off the cheap knockoffs. I had looked at them. I am going to put the original cap and rotor back on because that is when the issues started.


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: HEI [Re: WE b OLD] #1314775 Tue Jun 18 2019 05:47 PM
Joined: Feb 2001
Posts: 6,592
W
WE b OLD Offline OP
Master Gabster
I guess I have 2 questions. First, by changing the rotor and cap, could that cause some of my issues especially since I may not have gotten the exact one. The second question is an engine question sorta. I have a PCV value adapted to my down tube and run to the base of the carb. It has been that way for 10 years and 30,000 miles or so. Could that cause some issues with the vacuum not working the vacuum advance?


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: HEI [Re: WE b OLD] #1314792 Tue Jun 18 2019 08:14 PM
Joined: Dec 2002
Posts: 3,058
Rusty Rod Online
Moderator - The Electrical Bay and Rocky Mountain Bolters
I ran my PVC from the downdraft tube hole and did not have any issues.


Another quality post.


Real Trucks Rattle

HELP! The Paranoids are after me!
Re: HEI [Re: WE b OLD] #1314796 Tue Jun 18 2019 08:26 PM
Joined: Feb 2001
Posts: 6,592
W
WE b OLD Offline OP
Master Gabster
But, should be changed?


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
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