Does anyone believe this?
07-19-2005, 08:49 PM
#21
DRAG RACING IS LIFE! Mod
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glad to see I'm not the only one thinking this BS seemed fishy! I'm trying to plan out what mods are gonna get done to the GMC, and the 10 hp gain from a catback and K & N cold air seemed reasonable, but not the 2nd report!
Derek
Derek
07-19-2005, 09:15 PM
#22
TECH Apprentice
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Originally Posted by loud5.3
They added Grantelli plug wires(15.3hp and 17.3 ft lbstq), another 11 hp by adding a Granatelli MAF, and 29 hp with the cold air box, for a grand total of 55 hp for just these mods.
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07-21-2005, 01:07 AM
#23
Teching In
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Originally Posted by jerome
i gained 250rwhp when i swapped in a good spark plug for a broken one
(in-house, partial testers will help too)
But claims of a 55 hp increase over stock is pushing the needle on the BS meter just a tad.
07-21-2005, 08:07 AM
#24
Staging Lane
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I believe them numbers so much that I just orded a set of MSD for my truck. The Granatelli wires were like 150 dollars though summit and the MSD were 66 dollars. I guess they could have made 50 horsepower if it was the original wires and air filter off a truck with 300,000 miles on it? 
