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*Joshinator99* · 09-21-2021, 04:56 AM

So, I bought the 112mm TB for my Whipple only to find out the bolt pattern is completely different and not close to fitting. The only adapter I could find was for the ZR1/LT5 which also has a different bolt pattern. The bore is so big that you cannot just slot the holes or you run the risk of the bolt head area going through into the main bore...! Thankfully I have access to great old-school machine shop and voila!

By the way, this thing is HUGE! Significant upgrade over a 103 in terms of size. Now to try and get my Rotofab Big Gulp to fit up... I’ve got a 5”x4.5” Vibrant silicone adapter on the way but it’s going to be a tight fit...

09-21-2021, 04:56 AM	#1
Joshinator99 Moderator Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018 Location: New Ipswich NH Posts: 6,350	112mm TB on a Whipple So, I bought the 112mm TB for my Whipple only to find out the bolt pattern is completely different and not close to fitting. The only adapter I could find was for the ZR1/LT5 which also has a different bolt pattern. The bore is so big that you cannot just slot the holes or you run the risk of the bolt head area going through into the main bore...! Thankfully I have access to great old-school machine shop and voila! By the way, this thing is HUGE! Significant upgrade over a 103 in terms of size. Now to try and get my Rotofab Big Gulp to fit up... I’ve got a 5”x4.5” Vibrant silicone adapter on the way but it’s going to be a tight fit... Attached Images __________________ 2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)