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TRBenj 
Grand Poobah 
Joined: June-29-2005 Location: NWCT Status: Offline Points: 21198 |
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 Topic: RisersPosted: February-21-2020 at 2:50pm |
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The riser change did not correspond to the horsepower increase- all 1992+ fords got 3.5” (ho and non-ho). I suspect that maybe the water flow was improved but the air flow should be the same. Not worth doing for any performance reasons.
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esse77
Newbie 
Joined: February-20-2020 Location: Illinois Status: Offline Points: 6 |
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Posted: February-21-2020 at 2:38pm |
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Has anyone put a set of gt40 risers on a non gt40 engine? (89 351w) The standard risers are 3 inch outlet while the gt40’s are 3.5 inch. Not sure if it will be a good idea or not since im throwing a set of gt40p heads on my engine along with holly sniper fuel injection. Any advice is appreciated
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