Large HEI cap to small dizzy wire harness conversion kit
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Large HEI cap to small dizzy wire harness conversion kit
I got a question guyz. Does anyone have the conversion wiring kit that allows for a small dizzy to be used inplace of the large dizzy? My 86 IROC has the large 4 pin connector (one in the middle) 
but I want to convert to use a smaller dizzy. So here are the wires and connectors but I cant find a good source to see what exactly is used.....
Exactly what connectors are used to make my own?
but I want to convert to use a smaller dizzy. So here are the wires and connectors but I cant find a good source to see what exactly is used..... Exactly what connectors are used to make my own?
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Large HEI cap to small dizzy wire harness conversion kit
3rd Gen member S10Wildside has all the connectors cheap on his site.
( not all shown , just ask )
http://www.eficonnection.com/eficonn..._pigtails.aspx
He also has the HEI to small cap conversion harness, just tell him what you are doing
http://www.eficonnection.com/eficonnection/default.aspx
( not all shown , just ask )
http://www.eficonnection.com/eficonn..._pigtails.aspx
He also has the HEI to small cap conversion harness, just tell him what you are doing
http://www.eficonnection.com/eficonnection/default.aspx
Last edited by vetteoz; Sep 22, 2010 at 05:59 PM.
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Large HEI cap to small dizzy wire harness conversion kit
Hey how's it going my friends. I want to build it myself. I figured that I can make one for a total of about $8 compared to around $50. But I'll check into those sites provided and weigh my options. Thanks guys.
Senior Member
iTrader: (3)
Joined: Oct 2004
Posts: 805
Likes: 3
From: Charleston, SC
Car: '85 TA
Engine: 350 turbo
Transmission: T56
Axle/Gears: 3.70 posi 9bolt
Re: Large HEI cap to small dizzy wire harness conversion kit
I just did the same thing, large cap to small cap. I bought the connectors from Summit:
PICO 5602PT & PICO 5615PT
I spliced the 4pin pigtail to the wires from the large 4pin from the factory harness (cut off the large 4pin connector), and wired the 2pin pigtail to a SUM-850500 external coil.
PICO 5602PT & PICO 5615PT
I spliced the 4pin pigtail to the wires from the large 4pin from the factory harness (cut off the large 4pin connector), and wired the 2pin pigtail to a SUM-850500 external coil.
Last edited by calebzman; Sep 23, 2010 at 10:24 AM.
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Large HEI cap to small dizzy wire harness conversion kit
Okay guyz. i checked out the sites and I must say thanks. I really appreciate the help. Now I know what to look for. Agian thanks. But before I go and buy a small cap and remote coil, Would I benefit more from the small cap/remote coil,,, or the 4052 - Hypertech Power Coil large cap and coil?
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Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Large HEI cap to small dizzy wire harness conversion kit
What about that hypertech cap and coil? Will I benifit from it if I stay with the large cap?
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Large HEI cap to small dizzy wire harness conversion kit
Re: Large HEI cap to small dizzy wire harness conversion kit
Go to your local parts store and pick up the other side of that connector. Those weatherpacks are only a couple bucks, you have to buy the pins and green insulators too.
The benefit is that you don't splice wires, it's a nice clean install.
The benefit is that you don't splice wires, it's a nice clean install.
Thread Starter
Joined: May 2009
Posts: 4,915
Likes: 40
From: Far West
Car: 1986 Camaro Z28 IROC-Z
Engine: 350 Tuned Port Injection, for now.
Transmission: 700R4
Axle/Gears: Posi - 3.23
Re: Large HEI cap to small dizzy wire harness conversion kit
Ahhh. Then ill just stick with my large cap then. Looks like I'm gonna biy the hypertech cap and coil. Thanks advice and help guyz. 
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