New CRT HEI - NO START help a noob... -
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post #1 of 4 Old 03-10-2007, 01:28 PM Thread Starter
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1983 CJ8 
Join Date: May 2006
Posts: 42
New CRT HEI - NO START help a noob...

OK, I recently hooked up the Howell TBI to my Scrambler (258) and it would only idle for 10 min. It was recommended to go with an HEI, so I did (CRT Performance) hooked it up today and I get a whole lot of NOTHING.

I am quite a noob when it comes to engine work, I need all the help I can get.

lined up TDC on the old dizzy

It was pointing at my #1

followed all install instructions

removed old dizzy, lined up and installed new one

lined up TDC and it was pretty close to a plug (made that my #1)

followed proper order (1,5,3,6,2.4 / clockwise on the cap)

I am using the 8mm wires that came with the HEI

removed old ignition mod (used 10ga. 12V to feed the HEI)

hooked up tach wire to Howell tach position

checked my plug gaps (between .45 & .50)
I did NOT get new plugs (these are fairly new with less than an hour of time on them and look OK, some carbon)

gas getting to plugs / intermittent spark
(I hooked up a light to the #1 and get lots and lots of misses)

I measure about 9.6 volts going to the dizzy while cranking

I get about 10 volts direct at my starter

What am I doing wrong or did I miss something?!?!?

Any help would be sooooo appreciated, you guys have helped with a bunch of info so far.

thedesertnomad is offline  
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post #2 of 4 Old 03-10-2007, 03:55 PM
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Join Date: May 2006
Location: Lakewood, CO
Posts: 151
I am sorry I can't help you but,I just ordered my CRT HEI Thursday. Hopefully somebody responds to you soon just in case I have problems with mine.

85 CJ7, 258, Howell Fuel Injection, CRT Performance HEI Dist., 2" lift, Warn winch

Colorado Jeep Club Member #75
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post #3 of 4 Old 03-10-2007, 05:04 PM
CJ Chet
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1986 CJ7 
Join Date: Dec 2005
Location: Yorktown, Virginia
Posts: 2,576
you may not be getting enough current to the dizzy! They put out alot of fire, and therefore require alot of juice. When I installed my DUI I ran a nice FAT wire (10 gauge) from the battery through a fuse and a relay to the dizzy. No problems! According to your post, you aren't getting enough voltage. For an HEI distributor you need full alternator voltage (aprx. 14.5 for maximum RPM). If your tach is an OEM model, try disconnecting it and see what happens. WHY? John Strenk can explain it better than me!

'86 CJ7
2015 Grand Cherokee Limited
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post #4 of 4 Old 03-10-2007, 05:10 PM Thread Starter
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1983 CJ8 
Join Date: May 2006
Posts: 42
So you are bringing it in straight from the battery with a relay tied to the ignition control power (switched power including crank)?
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