best mod under $20
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Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
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From: Leander Texas
best mod under $20
I was thinking what the heck. i need to spend some of my dealer dollars i earned.
I bought 10mm Phat Spark Plug Wires. WOW, increased mpg and smoother warmup and better throttle response. no other changes made. i saw on a thread unrelated that someone else had the same results. my dealer could not find in the catalog for my 07 the wires in black but they are on Harley's web site. gave him the number and they had them in stock. all i can think is they must have used the lowest bidder for the stock wires. part number 31907-08 are black
I bought 10mm Phat Spark Plug Wires. WOW, increased mpg and smoother warmup and better throttle response. no other changes made. i saw on a thread unrelated that someone else had the same results. my dealer could not find in the catalog for my 07 the wires in black but they are on Harley's web site. gave him the number and they had them in stock. all i can think is they must have used the lowest bidder for the stock wires. part number 31907-08 are black
Last edited by tk353; Sep 20, 2009 at 02:31 PM.
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Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
Likes: 6
From: Leander Texas
they are harley parts and no they dont have steel braid.
http://search.harley-davidson.com/?q...&x.x=27&x.y=12
http://search.harley-davidson.com/?q...&x.x=27&x.y=12
Road Master
Joined: May 2008
Posts: 954
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From: CA
Tk353 did you put them on the standard 6r12 plugs or have the SE plugs for your bike?
sorry if its a dumb question, just double checking.
sorry if its a dumb question, just double checking.
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Thread Starter
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Ultimate HDF Member
Joined: Oct 2007
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From: Leander Texas
i had the stock plugs and went to SE and found no difference other than they dont wear.
the SE have been on for about 6 months. i changed only the wires and got the improvement. i tried iridium ngk a week later and saw no improvement.
the SE have been on for about 6 months. i changed only the wires and got the improvement. i tried iridium ngk a week later and saw no improvement.
I put on a set of blue ACCEL custom fit 8mm wires, around $26.00 at J&P. Great looking and fitting wires. Didn't notice anything in the way of a performance change but then, wasn't expecting much (swap was mainly for looks).
On the topic -- best sub-$20 mod for me so far was the home-made 1 1/2" tank lift. About $4.00 in hardware from Home Depot
On the topic -- best sub-$20 mod for me so far was the home-made 1 1/2" tank lift. About $4.00 in hardware from Home Depot