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I have a book here in the house that says that the 1970 GTO with RAlV was'nt the fastest Pontiac in 1970.Its says it was a 1970 GT-37 with a RAlll 4speed the GT-37 is based on the Tempest line.It would be interesting to see a race between both these cars.
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I think that's wishful thinking. I guess opinions, verses facts, get blurred sometimes when people are passionate about their cars.
How could a 366 hp RAIII engine GT-37 (assuming they even made one), in the same body as a GTO, be faster than a RAIII GTO? Was there a huge weight difference between the GT-37 and the GTO? No, the GT-37 was light, but the 70 GTO could be ordered just as light. The only difference in weight would
maybe be the Endura nose on the GTO verses the chrome bumper on the GT-37. 20 lbs, maybe 30 lbs tops?
The purpose of the GT-37 model was to get a cheaper, GTO-like vehicle, without the GTO-like insurance premiums. GT-37 performance was never meant to be on par with the GTO. Also, the open hood scoops on the GTO hood would more than make up for any 20-30 lb. weight difference on the GT-37, as the GT-37 wasn't available with Ram Air. And this isn't even addressing the 1970 RAIV GTO, which was arguably about 50 hp stronger (at least) than the RAIII.
