1971 GTO 400 4spd Flowmaster exhaust Comp 268 cam/set
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Uploader Comments (bakenaz)
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All Comments (22)
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Love the old 400 Pontiacs. They have a sound all their own. Music!
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love that pontiac
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how big was the increase by adding it?
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@bakenaz It shounds great! Thanks for the info.
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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
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@derky101 . Sounds really good. Not too loud. On the highway cruising at 65-75 the drone is tolerable.
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@bakenaz Thanks man. How loud is it on the top end?
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@derky101 2.5 pipes. true dual exhaust from the exhaust manifolds (no headers). series 40 Flomasters.
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whats The C.R ratio your running?
Truckkin454 1 year ago
@Truckkin454 ...Since I am using stock pistons and stock heads, the Compression Ratio is stock 8.5:1
bakenaz 1 year ago