Smartest way to raise compression ratio? - Page 3 - VTXOA
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post #21 of 52 (permalink) Old 05-10-2017, 12:57 AM Thread Starter
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I think I've decided to go with the NOS kit and see how that works out for me. Is there a link to show how this is installed? What size bottle do I need? I'm not a speed demon but I'd like some fun every Now and then
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post #22 of 52 (permalink) Old 05-10-2017, 01:13 AM
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you are going to need a better air box no matter what you decide.

I have 97.5 hp and 110 lbs torque and with hard shift the front tire leaves the ground while my car tire smokes from spinning.

05 1300S 6901 miles at start 114600 now
03 1800 R 64100 at start 80500 now dyno results 97.55 HP 110.22 torque
80550 E4 front
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post #23 of 52 (permalink) Old 05-10-2017, 05:06 AM Thread Starter
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you are going to need a better air box no matter what you decide.

I have 97.5 hp and 110 lbs torque and with hard shift the front tire leaves the ground while my car tire smokes from spinning.
whats your 0-60 time? Maybe I'm feathering the throttle too much, this bike is so different from my 600. And which intake do you recommend? I have the k/n carbon filter, circular one not the stock one
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post #24 of 52 (permalink) Old 05-10-2017, 06:55 AM
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Originally Posted by Jakksin Henson View Post
whats your 0-60 time? Maybe I'm feathering the throttle too much, this bike is so different from my 600. And which intake do you recommend? I have the k/n carbon filter, circular one not the stock one
you are talking "Dogs" and Cats'.. except for a saddle and 2 wheels.. nothing in common...

YES, I am very "OLD"... but I have been on the Mid-Ohio Sports car course.. with my CBR1000F.. have seen 155mph...

if you want more then a few extra HP's for fun. so be it.. but a proper running VTX is fast by its self..
just remember where the rear cylinder is in relation to your body parts... NOX can explode a cylinder..

Ride Safe, Ride Often.
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2005 VTX1800 "F" type II, Silver Tribal, 73,000 Miles, Purchased Feb, 2005.
MTC clutch & springs.. K&N Air Filter. Garmin 2597 GPS.
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post #25 of 52 (permalink) Old 05-10-2017, 03:54 PM
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Crossing a 4 lane road last night from a stop i was doing 60 at the other side.
Properly tuned with a power commander V you should have a 13 second 1/4 mile time.

I run car tire on rear so it really hooks up and go's

05 1300S 6901 miles at start 114600 now
03 1800 R 64100 at start 80500 now dyno results 97.55 HP 110.22 torque
80550 E4 front
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post #26 of 52 (permalink) Old 05-10-2017, 05:17 PM
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Is there an exchange in horsepower? Or does it just detune the engine? What diameters are we using here. I'm pretty sure mine have a 1.75 diameter but I'm not sure just by eyeing it, I have to find the specs
Pictures of the pipes you have will help identify them. I listed the best pipes for the VTX in my previous post. No need to measure them, those are proven on thousands of dynos on the VTX. Vance&Hines are the top 2into2 style for HP and torque.

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post #27 of 52 (permalink) Old 05-11-2017, 12:23 AM Thread Starter
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Crossing a 4 lane road last night from a stop i was doing 60 at the other side.
Properly tuned with a power commander V you should have a 13 second 1/4 mile time.

I run car tire on rear so it really hooks up and go's
That's close to a 1/10th of a mile isn't it? You can't really determine how fast these are 1/4 mile time can you? I mean they top out aroUnd 130mph because of the drag coefficient right? My gsxr was 11.2 @ 141mph in the 1/4 mile. Do you have 1/8 mile times?
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post #28 of 52 (permalink) Old 05-11-2017, 12:48 AM
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Spec on track was around 13 for a 1/4 and that is stock.

In racing drags speed doesn't always win.
Torque and the transfer to the ground wins with lower mph.

Like i say the power commander V gets me the torque.

http://www.motorcyclecruiser.com/roa...00c-motorcycle

05 1300S 6901 miles at start 114600 now
03 1800 R 64100 at start 80500 now dyno results 97.55 HP 110.22 torque
80550 E4 front

Last edited by Charlie D; 05-11-2017 at 12:52 AM.
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post #29 of 52 (permalink) Old 05-11-2017, 02:02 AM
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.... Do you have 1/8 mile times?
Here's a ton of performance numbers...
The VTX1800 ran the quarter at just over 109 mph in 12.12 sec. Top speed was 135.

http://www.mcnews.com/mcn/articles/2015_01PerfIndex.pdf


'07 VTX 1800F spec 3
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post #30 of 52 (permalink) Old 05-11-2017, 02:31 AM
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Or the supercharger as seen in another thread
But there are just problems with the blower, or not?


VTX 1800/280
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