347 and speed density
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Senior User
Joined: Apr 2004
Posts: 206
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From: Goshen, Ohio
347 and speed density
Jegs has a 347 stroker kit for 1982-up 302 motors. It comes with 4340 steel ESP H-beam connecting rods, and a forged 4340 steel crank. With this kit the stroke is 3.400", Rod is 5.400", the bore is 4.030". Would this kind of increase in displacement cause a conflict with the computer?
Junior User
Joined: Jul 2004
Posts: 65
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From: St. Louis, MO
On speed density I would say yes without a custom tune. Speed Density unlike Mass Air have a set table of variables for the motor. It is not able to compensate when elements of the motor go outside the limits of those variables.
Someone who has done this may have hands on experience but coming from the Mustang world I know Speed Density stangs dont take modifications very well with out swapping to Mass Air.
Steve
Someone who has done this may have hands on experience but coming from the Mustang world I know Speed Density stangs dont take modifications very well with out swapping to Mass Air.
Steve
Junior User
Joined: Jul 2004
Posts: 65
Likes: 0
From: St. Louis, MO
WoW I screwed up my previous post. I meant to say you would need a custom tune at the least.
Speed Density (Stock) = Good
Speed Density (Major Modified) = Bad
Steve
By the way I couldnt figure out if I could edit my own previous posts.
Speed Density (Stock) = Good
Speed Density (Major Modified) = Bad
Steve
By the way I couldnt figure out if I could edit my own previous posts.
