What year did they change the distribitors to the smaller ones. Thanks
jason

 

1987

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86 Camaro Sport
383 Speed-O-Motive Crate Engine, Trick Flow Twisted Wedge G2's, 58mm Accel TB, 3.73 Auburn Pro, SLP Cold Air Induction and Headers, Dynomax Cat-back, Serpentine Belt Setup, Dual IROC Fans, Jamex springs, 16" IROC Rims, 36mm/24mm Sway Bars, Global West Steering Brace. Hotchkis Rear LCA's,Panhard Bar and SFC's.
My Camaro Project

 

In other words, 1986 was the last year for the coil-in-cap distributors, and 1987 was the first model year for the separate coil distributors.

Just thoought I'd clarify a bit.

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Later,
Vader
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"No matter how hard you try you can't stop us now..."
Adobe Acrobat Reader 4.0

 

I use one of the small ones in my race car now. My old HEI wires still work. I needed a smaller distributor for the big block. I was originally going to get the large HEI recurved when my machinist said I should just lock it out to full advance since I use a start retard ignition system. I thought about it and realised that the newer small distributors were perfect for that. No weights or springs to worry about. No vacuum advance etc.

Now this is for a race engine only. It's not advised for street use. I drop the distributor in and set my base timing to full advance. Currently it's 36 degrees. When I start the car, the ignition retards the timing 20 degrees so it can start. Once it gets over 200 rpm, the ignition goes back to full advance. Since the engine idles at around 1000 rpm and is mostly used above 3000 rpm, the situation was perfect.

I pulled out the old module since all I needed was the magnetic pickup. Put on some different spade connectors and plugged it into my ignition. I found a piece of non static foam that used to have some old computer chips in it to fill the hole where the module was.

Cost for junk yard distributor: $7
Connectors: $0.20
New cap and rotor: $35

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Follow my racing progress on Stephen's racing page
and check out the race car

87 IROC-Z Pro ET Bracket Race Car
383 stroker (carbed) with double hump cast iron heads and pump gas
461 Big Block installed and ready for the 2001 racing season

Best results before the 383 blew up
Best ET on a time slip: 11.857 altitude corrected to 11.163
Best MPH on a time slip: 117.87 altitude corrected to 126.10
Altitude corrected rear wheel HP based on power to weight ratio: 476.5
Best 60 foot: 1.662

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley

[This message has been edited by Stephen 87 IROC (edited February 22, 2001).]