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Jim Wahl · 12-17-2009, 01:51 PM

Remember, no matter which carb you choose, the primary and secondaries must be the same size as the original OEM carb. The 1 3/8 primary Thermoquad is actually rated at 750, where the 1 1/2 primary is rated at 800. Jim

12-17-2009, 01:51 PM	#14
Jim Wahl Veteran Member Join Date: Jan 2002 Location: Central Florida Posts: 5,845 Likes: 672 Liked 683 Times in 129 Posts	Re: Thermoquad vs Quadrajet Remember, no matter which carb you choose, the primary and secondaries must be the same size as the original OEM carb. The 1 3/8 primary Thermoquad is actually rated at 750, where the 1 1/2 primary is rated at 800. Jim __________________ Jim Wahl....NHRA #2239 S/SS - IHRA # 8 Stock, D2 Stock Champion (forever I guess) 2019 Baby Gators Stock Champion 2009 NHRA D2 National Open Stock Champion 1982 NHRA D2 West Palm Beach LDRS SS Runner Up Past President, Southern Stock / Super Stock Association.