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05-29-2006, 10:22 AM
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#1 |
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Active Member
Join Date: Mar 2004
Location: Virginia
Posts: 169
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HEI Conversion, need opinions
I'm going to convert my stock 72 K20 350/SM465 to HEI next weekend.
I just picked up a factory GM HEI distributor on ebay out of a 76 for $14.00. http://cgi.ebay.com/ebaymotors/ws/eB...BSAA%3AUS%3A11 Now I need an HEI rebuild/tune up kit. There are three that I am looking at... The MSD Ultimate http://www.jegs.com/webapp/wcs/store...tegoryId=11579 Moroso super HEI http://www.jegs.com/webapp/wcs/store...tegoryId=11579 Or Pertronix Flamethrower http://www.jegs.com/webapp/wcs/store...tegoryId=11579 What's the best bang for the buck? Soon to follow are a new carb, intake, cam, and headers. Thanks!
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71 Blazer CST 72 K20 Capt USAF |
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05-29-2006, 10:29 AM
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#2 |
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Senior Member
Join Date: Nov 2005
Location: Portland Oregon
Posts: 287
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Re: HEI Conversion, need opinions
MSD is the way I would go. I have friends that have used them and I have never heard them say a bad thing about them.
JRB |
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05-29-2006, 11:04 AM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: HEI Conversion, need opinions
Why not run it stock? A new module (gm part, no cheap parts store junk) and a new coil, and you'll be set. If you engine is stock, mild, or even in the medium performance range, you won't need, nor notice the extra money you'll be spending. (onless you hit the engine with spray, then you may want the upgraded stuff)
Last edited by Longhorn Man; 05-29-2006 at 11:32 AM. |
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05-29-2006, 11:25 AM
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#4 |
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20' Daredevil (Ret)
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,728
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Re: HEI Conversion, need opinions
^^ x2 My stock HEI has been fine for many years in my basically stock engine...
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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05-29-2006, 11:33 AM
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#5 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: HEI Conversion, need opinions
i'd say go for the moroso with the plug wires and all for $100 bucks looks to be the better deal
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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05-29-2006, 11:39 AM
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#6 |
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Senior Member
Join Date: Mar 2006
Location: bay area, ca
Posts: 305
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Re: HEI Conversion, need opinions
I got a procomp. on ebay...brand new...billet...very happy with it
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05-29-2006, 01:36 PM
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#7 |
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Senior Member
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: HEI Conversion, need opinions
I would just replace what looks bad and try it. Remove the shaft and clean and lube everthing. Remove the old hard grease in the top bushing and carefull repack with high temp grease, its hard to get all the air out. I always replace the pickup coil while in there, ususally the insulation will be going bad or the magnet may be cracked, not alway needed, but you can replace ever other part in there without taking it apart. Add an adjusable vac advance and get a set of springs to tailor the advance. Coil and module usually work , easy to replace later if they don't. Be sure to put some new special heat conducting grease under the module so it does not burn up. Maybe a rotor win't hurt either. Short version - keep it stock and try it.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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05-29-2006, 05:53 PM
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#8 |
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Low & Slow
Join Date: Dec 2002
Location: Oklahoma
Posts: 1,047
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Re: HEI Conversion, need opinions
I have a mallory billet hei dizzy that i got from summit. Haven't had any issues with it.
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70' C-10 LWB Fleetside 4.5/6 drop 
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05-29-2006, 06:19 PM
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#9 |
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Senior Member
Join Date: Mar 2006
Location: bay area, ca
Posts: 305
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Re: HEI Conversion, need opinions
ebay man...it was like 78 bucks with shipping...coil everything...hotwire to dist...hook direct to my tac...rocks
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05-29-2006, 10:14 PM
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#10 |
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Registered User
Join Date: Jul 2005
Location: Kernersville, NC
Posts: 599
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Re: HEI Conversion, need opinions
i've got on of these hei's i got on ebay. its been on for a month and no problem. got a set of accel 300+ plug wires to go with it. dizzy comes with a 3yr warranty. chris.
http://cgi.ebay.com/ebaymotors/ws/eB...MEWN%3AIT&rd=1
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its a work in progess. 71 c-10 lwb, in the middle of frame off restoration. 69 c-10 swb, drag truck, 406 sbc, balanced, comp 292 cam, ported, polished, gasket matched, and bowl blended pro comp 210cc heads, 2.02/1.60 ferrea valves,1.6 roller rockers, re curved hei with msd 6al box, 2-step rev limter, accel 300+ wires, ported victor jr intake, holley 750 double pumper carb, dynomax 1 5/8 headers, 4 spd munci m-20 with super case and iron midplate, mr. gasket vertigate shifter, 5.38 pro gears with full spool, 33 spline moser axles and c-clip elimators, line-loc, 5 gal fuel cell, holley blue pump.  7.807 @ 88.37mph 1.60 60FT 80 g-20 van, tow rig, cammed 305, th350, 10 bolt 88 jeep wrangler, dd, 258, ax-15 swap, 4.5" lift, 33x12.50's, lockers, 3.55's |
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05-29-2006, 10:26 PM
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#11 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: HEI Conversion, need opinions
Here is a good article on HEI rebuild and hop up:
http://www.rustpuppy.org/ignition2/Ignition%202b.htm
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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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05-29-2006, 10:30 PM
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#12 |
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Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Re: HEI Conversion, need opinions
I'd toss a cuve kit,adjustable vac advance,cap and rotor in there,and drop it in.The HEI is a good unit in a fairly stock app.No reason to buy stuff you don't need.
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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05-29-2006, 11:06 PM
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#13 |
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18 Till I Die
Join Date: Mar 2005
Location: Alberta, Canada
Posts: 1,522
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Re: HEI Conversion, need opinions
I had a stock HEI with a Accel super coil on top and curved, but it was rebuilt and all my frieds said "junk". So peer presure set in and I bought a Pertronics Flamethrower complete distributor. Nice and New. Just drop it in and hook it up. Wont have to worry about rebuilding for a long time. They are complety new, housing and everything. And they are not that much $$$, but I dont know what kind of engine you are running or how handy you are at rebuilding dist. M2C
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2011 GMC Acadia 1969 GMC BBC LS7 2007 GMC Crew Duramax 1987 Camaro Iroc 350 Tuned Port Injection 42000Km 1987 Chevrolet Silverado 350 TBI 1987 Chevrolet Silverado 350 TBI(yes 2) Take me drunk, I'm too home... 
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05-29-2006, 11:32 PM
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#14 | |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: HEI Conversion, need opinions
Quote:
Hotter coils don't really do much onless you need them... and 90% of the trucks on this board DON'T need anything hotter than a stock HEI. |
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05-29-2006, 11:38 PM
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#15 | |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: HEI Conversion, need opinions
Quote:
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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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