The pricing on the kit from DSS works out like this:
$1295 - Basic 331 kit
300 - Upgrade to 4340 Forged Steel crank
100 - Upgrade to TFS TW specific pistons
75 - Upgrade to Federal Mogul Ductile Iron rings
$1,770 - TOTAL
If you're getting a 331 kit with all forged steel internals for $1,350 from a reputable speed shop, then by all means - get it!
The PMS will probably be a good idea. I plan on switching systems when I get the supercharger.
Good luck,
E
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1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
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