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-   -   Spark Plug recommendations for Car w/ Carbs and MSD (http://forums.pelicanparts.com/911-engine-rebuilding-forum/400482-spark-plug-recommendations-car-w-carbs-msd.html)

jmz 03-26-2008 03:42 PM
Spark Plug recommendations for Car w/ Carbs and MSD
 
anyone have a suggestion for the best plugs on a Modified 3.0 w/ carbs and MSD.

Steve@Rennsport 03-26-2008 10:57 PM
Jay,

Compression ratio?

Camshafts??

Street or race?

Once I have all the pertinent data, I can offer a recommendation,...:)

jmz 03-27-2008 04:14 AM
Quote:
Originally Posted by Steve@Rennsport (Post 3852391)
Jay,

Hi Steve,

Compression ratio? 9.3:1 c.r.

Camshafts??Elgin Mod S.

Running Weber 40s w/ 36mm venturi, tall manifolds and booster venturis. MSD 6AL W/ BLASTER COIL

Street or race? Yes ... track/ weekend fun car. If the key's turned to the right then it will usually be getting hammered on. It does see more time on the street than the track though.

Once I have all the pertinent data, I can offer a recommendation,...:)
Thanks Again.

jmz 03-28-2008 09:33 AM
bumperoo to Steve. I'll be putting new plugs in next week. any suggestons?

Bosch Platinum wr5dpo?

Steve@Rennsport 03-28-2008 11:02 AM
Jay,

Use either Bosch W5CC (silvers), W5DC (coppers), NGK BP-7ES or NGK BP7EV's.

You cannot open the gaps on the DPO's and thats a major drawback when using an MSD,..:)

jmz 04-10-2008 11:41 AM
THX Steve. just picked up a set.


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