MVI 5021

1973 GTO

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Pontiac 455 duet
The LeMans (on the left) has a mild, non-rebuilt 455 with ported & polished 6X heads, c. 9:1 compression, Edelbrock Performer intake, Holley 800 Street Avenger, Comp XE274 cam, making maybe 300-350 horsepower. The Grand Am (right) has a .030 over 455 with Edelbrock heads (87 cc chambers), 10:1 compression, same Comp cam but with 1:65 roller rockers, slightly better Exhaust (H-pipe), Edelbrock Performer RPM intake and Edelbrock 750 carb. About 500 horsepower at the flywheel. The heads make all the difference. The Grand Am has the Flowmaster American Thunder Exhaust system, which has the 50-series mufflers. LeMans has a Summit Exhaust system, which was cheap and went on nice & easy.





1973 Pontiac GTO with a 455 Engine - My Car Story with Lou Costabile
On “My Car Story” we're in Rosemont IL at the Muscle Car and Corvette Nationals on 11-20-14. We’re looking at a 1973 Pontiac GTO with a 455 engine. The car's Owner is Tim Smith. Tim’s had the car since 2007. You don’t’ see many of these. The cars rarity makes it pretty cool! ENJOY!





1974 GTO
Me and my dad were at a car show (my dad has a 1964 gto-hardtop) and there was a 1974 drag racing gto-tht thing was mean!!





1973 Pontiac GTO starting up
Very rare numbers matching car. Also my first car.




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