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Old 22nd November 2010, 11:08   #76
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Originally Posted by Sutripta View Post
Its best not to compare results between different dynos at different places at widely different times.

I've a more interesting question. If say Bangalore had another shop with a highly regarded dyno (say Dynojet) which consistently gave higher readings, other things being equal (esp. cost) where would you take your car to be dynoed?
Completely agree, lets not get into dyno comparison now. And i would take my vehicle to a dyno which will show consistent readings, with multiple runs

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Originally Posted by im_srini View Post
Hi Jaggu, is the shock-dyno meant for use by Red-Rooster's rally & racing teams only ? Can anybody (me, for example) send them a set of dampers to be tested (i.e. have the dyno graphs generated) ?
Not only rally, they use it to tune the dampers they sell to their customers. Am not sure about the dyno at rental mode. You can always give them a call and check.
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Old 22nd November 2010, 19:12   #77
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Originally Posted by Ford Rocam View Post
Yes, Usually dyno runs are done on 3rd gear pull and will show most accurate reading, I am not sure why they are doing it on 4th gear here, can somebody ask them why? also if u dyno on 4th gear your readings will be low.
to keep things simple since 4 gear close to 1:1 ratio. They are not taking pains to do 3rd gear with correct ratio for each car. Next time i am making sure the guy is making 3rd gear run.
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Old 22nd November 2010, 21:01   #78
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Quote:
Originally Posted by Ford Rocam View Post
also if u dyno on 4th gear your readings will be low.
Why? If the dyno rpm is within its design range, and has been calibrated accordingly.

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Sutripta
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Old 22nd November 2010, 21:12   #79
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Originally Posted by kutlee View Post
to keep things simple since 4 gear close to 1:1 ratio.
I'm not sure if this is the only reason they're conducting the runs in 4th gear. True, in almost all cars, 4th is very close to 1:1, but you still have the final drive (on the differential) to contend with. Does this dyno have an option of the operator simply entering the 4th gear & final drive ratios ? That should eliminate all ambiguities right ?
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Old 22nd November 2010, 21:59   #80
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Quote:
Originally Posted by im_srini View Post
I'm not sure if this is the only reason they're conducting the runs in 4th gear. True, in almost all cars, 4th is very close to 1:1, but you still have the final drive (on the differential) to contend with. Does this dyno have an option of the operator simply entering the 4th gear & final drive ratios ? That should eliminate all ambiguities right ?
Hi,
'Close to', and 'not close to' should not really make a difference. In older cars, in 'direct top' power was not routed through the gears, thus no losses from that account. Nowadays, gearboxes are all indirect.

Computationally, scaling should not be a problem at all.

Entering the gear ratios might be a good way of checking the cars OE tacho. Speedos overread afterall! On a roller dyno (not the Dynapack), it would be very difficult to preworkout a engine rpm to roller rpm ratio.

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Old 23rd November 2010, 13:32   #81
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Went though the entire very interesting thread. Didn't find a graph of the DDIS engine. Would someone do the needful, thanks.
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Old 23rd November 2010, 19:22   #82
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Here's the dyno results from the Bangkok taxi.

Peak HP = 95. Notice how much torque is available from 2500rpm.

Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-altis_dyno.jpg
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Old 24th November 2010, 10:51   #83
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Talking Some teasers for GTO !

The RRR Civic.

Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-photo-1.jpg

And its exhaust system, some snaps i had taken. What i liked most was the quality, both that of the products and the installation. Truly world class stuff.

Attachment 458467
Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-photo-3.jpg
Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-photo-4.jpg
Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-photo-5.jpg

Last edited by Jaggu : 24th November 2010 at 10:54.
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Old 24th November 2010, 10:59   #84
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Quote:
Originally Posted by Jaggu View Post
The RRR Civic.

Attachment 458466

And its exhaust system, some snaps i had taken. What i liked most was the quality, both that of the products and the installation. Truly world class stuff.

Attachment 458467
Attachment 458468
Attachment 458469
Attachment 458470

Those snaps are a treat. Brilliant workmanship. Hats off to RRP for the quality !!

Thanks for sharing the pics




Cheers
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Old 24th November 2010, 13:20   #85
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My oh my!!
what bhp is it putting out ?
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Old 24th November 2010, 14:11   #86
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Quote:
Originally Posted by Jaggu View Post
The RRR Civic.
What classy plumbing, those pipes look good enough to eat.

- Running a turbo? Cost?
- Who owns it?
- How much did she put out on the dyno?
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Old 24th November 2010, 19:14   #87
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Leela told me it is not running a turbo yet but all the plumbing etc is in place for it
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Old 24th November 2010, 21:27   #88
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Quote:
Originally Posted by ajmat View Post
Leela told me it is not running a turbo yet but all the plumbing etc is in place for it


After the turbo goes in what Whp should one expect ? 200 or thereabouts ?




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Old 24th November 2010, 21:34   #89
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Here is my swift diesel dyno readings. sorry for delayed post, swiftD has put on 25,700km on its odometer at the time of she undergoing the dyno test and its a stock.
if i remember correctly leela mentioned honda, toyota were consistent in there bhp out put but not so with maruti
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Open House at *Red Rooster (Bangalore)*. Free dyno run, demo drives and facility tour-2.jpg  

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Old 25th November 2010, 08:36   #90
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Quote:
Originally Posted by Dreamy View Post
Here is my swift diesel dyno readings.
Thanks for posting, but the graph is very different from this http://www.team-bhp.com/forum/modifi...tml#post433632 (Pete's Tuning Box for Swift DDiS)
where the peak torque comes on at about 2k rpm

Last edited by goandude : 25th November 2010 at 08:37.
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