 HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Feb 2005
Posts: 6
Complete Newb
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OP
Complete Newb
Joined: Feb 2005
Posts: 6 |
Hi boys,
what´s your opinion about HP gain on the TBAs by the following combinations :
a.) TOR Longs + FREAK on the stock engine
b.) Thunderpipes + FREAK on the stock engine
c.) TOR Longs + FREAK on the modified engine(I mean Wiseco BB kit)
d.) Thunderpipes + FREAK on the modified engine(I mean Wiseco BB kit)
Thanx for your answers!
PP
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 3,753
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,753 |
my guess is not matter what tors will not put the same power out as thunderbike. pretty sure tbike are better flowing
Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
D D D D D D D D D D D D D D D D D D D D D D D D D
Trust me. Tried all the above.
D D D D D D D D D D D D D D D D D D D D D D D D D
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 8,639 Likes: 3
Old Hand
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Old Hand
Joined: Jan 2005
Posts: 8,639 Likes: 3 |
Unless Triumph have started making a fourth version recently, the Thunder pipes will give you about 25 - 50% more power gain than the TOR pipes in any combination.
Let's hope there's intelligent life somewhere in space 'cause it's buggar all down here. -- Monte Python
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Sep 2005
Posts: 163
Adjunct
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Adjunct
Joined: Sep 2005
Posts: 163 |
yeah the TOR pipes aren't all that much better than your stock pipes, the thunderbikes will give a much greater gain
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 503
Adjunct
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Adjunct
Joined: Jan 2005
Posts: 503 |
Does anyone have Dyno stats for the Thunderbike pipes with the Freak kit? Just curious if the power gain is real or percieved. Max exhaust flow is not always a winning proposiiton.
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
That's a great idea Shakey.  I really gotta try to get one done before the winter hits here. Really, I will try, really!
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 9,223
Big Bore
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Big Bore
Joined: Jan 2005
Posts: 9,223 |
Do you also work in the weather bureau, Pat?
"Never underestimate the power of human stupidity" - Robert Heinlein
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 1,018
Learned Hand
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Learned Hand
Joined: Jan 2005
Posts: 1,018 |
Doesn't seem that anyone is willing to post numbers after doing a big bore conversion. Hum. This could possibly have a couple of reasons. One, perhaps the numbers aren't that impressive for the amount of money and work. Two, They don't want the rest of us to know so they can easily and at will make our poor little 790,s look bad.
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 3,753
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 3,753 |
or three they are so happy they dont want to take the time to do it because the bike is so fun to ride
Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 1,204
Learned Hand
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Learned Hand
Joined: Jan 2005
Posts: 1,204 |
Trash, I am going to install mine when the weather gets bad. I will post the dyno numbers soon after. Also, I will be buiding a Thruxton motor.
1200CC BIG BORE, W/WISECO PISTONS,.250 STROKED CRANK, PORTED/POLISHED HEADS AND LARGER VALVES, CUSTOM WELDED EXHUAST, DUAL 42MM MIKUNI CARBS.
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 Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Feb 2005
Posts: 6
Complete Newb
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OP
Complete Newb
Joined: Feb 2005
Posts: 6 |
I cant believe that! I found by searching in forum archive thousands of posts about the TORs, Thunderpipes, Freak and Wiseco BB kit. And now nobody can tell factual infos or at least correct opinion about the power/torque gain by these modifications...
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Re: HP gain by TOR+FREAK vs. Thunderpipes+FREAK
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
I've had several dyno runs and posted all the information here after each time. I will summerize:
790cc with Mikuni HSR42 carbs and modified stock pipes = hp ~62 Torque 49 (constantly breakin up, way too rich even with smallest jets and no accellerator pumps)
Same setup but added Thunderbike pipes, hp~65 Torque 50-51 still broke up badly though causing decrease in max torque and hp
Stock carbs, 790cc, freak, 160 mains, stock needles = hp 65.4, torque 51-53 ran excellent, gas/air nice and level around 13 in all rpm's.
No dyno yet after the big bore, coming one of these days.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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