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Jim Wahl · 01-01-2011, 02:47 AM

Since you must run the 1.50" primary TQ, I would recommend the 6138S or 6139S. These are the simplest and run very well. The are from the '72 340 auto or stick application. Jim

01-01-2011, 02:47 AM	#3
Jim Wahl Veteran Member Join Date: Jan 2002 Location: Central Florida Posts: 5,843 Likes: 666 Liked 683 Times in 129 Posts	Re: Thermoquad Choice Since you must run the 1.50" primary TQ, I would recommend the 6138S or 6139S. These are the simplest and run very well. The are from the '72 340 auto or stick application. Jim __________________ Jim Wahl....NHRA #2239 S/SS - IHRA # 8 Stock, D2 Stock Champion (forever I guess) 2019 Baby Gators Stock Champion 2009 D2 National Open Stock Champion 1981 D2 West Palm Beach LDRS SS Runner Up Past President, Southern Stock / Super Stock Association.