1971 GTO 400 4spd Flowmaster exhaust Comp 268 cam/set

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Uploaded by on Aug 18, 2008

1 of 2011 400/ 4spd GTO's in 1971.

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Autos & Vehicles

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Uploader Comments (bakenaz)

  • whats The C.R ratio your running?

  • @Truckkin454 ...Since I am using stock pistons and stock heads, the Compression Ratio is stock 8.5:1

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All Comments (22)

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  • Love the old 400 Pontiacs. They have a sound all their own. Music!

  • love that pontiac 

  • how big was the increase by adding it?

  • @bakenaz It shounds great! Thanks for the info.

  • Not sure of the cam# but it is a 268 duration. COMP Cams K51-232-3 Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 268/268, Lift .454/.454, Pontiac, V8, Kit

  • @derky101 . Sounds really good. Not too loud. On the highway cruising at 65-75 the drone is tolerable.

  • @bakenaz Thanks man. How loud is it on the top end?

  • @derky101 2.5 pipes. true dual exhaust from the exhaust manifolds (no headers). series 40 Flomasters.

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