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Risers Printed From: CorrectCraftFan.com Category: General Correct Craft Discussion Forum Name: General Discussion Forum Discription: Anything Correct Craft URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=48404 Printed Date: March-06-2025 at 11:15am Topic: Risers Posted By: esse77 Subject: Risers Date Posted: February-21-2020 at 2:38pm 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 Replies: Posted By: TRBenj Date Posted: February-21-2020 at 2:50pm 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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