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mppickett mppickett is offline
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Join Date: Oct 2005
Location: Barrington, RI
Posts: 593
Originally Posted by JMA-RUF View Post
My understanding is if it's purely for street use, then a warmer plug is OK to use as it won't foul as quickly.

For track events, definitely use a 3 or 4 heat range.

Just curious to know what range you guys are using on the street without fouling.
I've been running for a couple of years of street use on NGK BKR7EIX plugs with no fouling. This is one range colder than stock 993 turbo OEM. Here are my basic specs:
- 1978 930 3.3 engine
- twin-plugged, ported, polished & flowed heads
- dual 6 plug EDIS ignition
- 8:1 compression ratio
- 964 cams
- 50# injectors
- K27-7200 turbo
- B&B headers
- Megasquirt II v3.0
07 Audi A4 2.0T Cabriolet - Black/Black (sold)
96 993 C2 Cabriolet - Arena Red/Tan (sold)
82 911SC - 993 Turbo Cab Trib - Speed Yellow/Black (sold)
58 DKW Universal - Baby Crap Yellow/Beige (sold)

Last edited by mppickett; 01-29-2009 at 03:43 PM..
Old 01-29-2009, 03:04 PM
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