Author Topic: Griso HP  (Read 4525 times)

Offline Warren Rhen

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Griso HP
« on: June 20, 2018, 05:58:59 PM »
Do all 8v 1200 griso's have the same HP? I've seen inept rag sheets calling it 90,100,110,109???
Cheers,
Warren
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beetle

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Re: Griso HP
« Reply #1 on: June 20, 2018, 06:32:17 PM »
I'm sure the official factory spec is 110HP. That would be at the crank.

RWHP should be ~96 HP for a well tuned unit.

pete roper

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Re: Griso HP
« Reply #2 on: June 20, 2018, 06:53:31 PM »
Yup. Every 8V 1200 I've ever dyno'd  stock trim, flattie or roller, has made 96RWHP + or - 1 HP.

Of course if they had been run on some of the more 'Optimistic' dyno's out there they might well of made 120, 140? I think the stupidest one I've heard so far was somewhere in Germany where some blokes carbed shitheap was supposed to be making 168 and putting it through a Tonti 5 speed and Cali 1100 bevelbox!

Oh my aching sides! :rolleyes:

Pete

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Re: Griso HP
« Reply #3 on: June 20, 2018, 08:49:37 PM »
Do all 8v 1200 griso's have the same HP? I've seen inept rag sheets calling it 90,100,110,109???

'bout the same Horsepower as your 70 Citroen DS21  :boozing:
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Re: Griso HP
« Reply #3 on: June 20, 2018, 08:49:37 PM »

Offline Warren Rhen

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Re: Griso HP
« Reply #4 on: June 20, 2018, 09:20:39 PM »
 
'bout the same Horsepower as your 70 Citroen DS21  :boozing:

Really? There must be some hiding amongst them  hydraulic hoses. I'll have to run out there and check :shocked:
Cheers,
Warren
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Offline John A

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Re: Griso HP
« Reply #5 on: June 20, 2018, 10:18:24 PM »
Just remember to round up when relating the dyno numbers!
John
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Offline Paul Brooking

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Re: Griso HP
« Reply #6 on: June 20, 2018, 11:31:24 PM »
Just remember to round up when relating the dyno numbers!

I always thought that the promotors used a factor of 1.5

Rough Edge racing

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Re: Griso HP
« Reply #7 on: June 21, 2018, 05:11:33 AM »
 If you use a Dynojet expect an optomistic power reading, about 5-8 percent higher than an eddy current dyno like a Mustang or Superflow...
« Last Edit: June 21, 2018, 07:32:51 AM by Rough Edge racing »

Offline cognosticator

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Re: Griso HP
« Reply #8 on: June 21, 2018, 05:48:18 AM »
I just had mine on the Dynojet

106 HP
77 lb ft torque  at the rear wheel 

Link to sheet

http://www.pbase.com/cognosticator/image/167037116
« Last Edit: June 21, 2018, 05:49:51 AM by cognosticator »
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2013 Griso 1200 8V SE

pete roper

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Re: Griso HP
« Reply #9 on: June 21, 2018, 06:25:23 AM »
See the post above yours. Also calibration is vital, not just the rollers either. There are a host of correction factors available, that means that unless every dyno is using the same tables the figures are going to be rubbery.

Note that the figures quoted for bikes tuned and mapped by Mark and myself are always lower than those quoted by assorted magicians on the web. What hopeless losers we must be......

Offline egschade

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Re: Griso HP
« Reply #10 on: June 21, 2018, 06:40:04 AM »
Perhaps it's best just to adopt the Rolls Royce approach: horsepower: sufficient
The elder Eric in NJ

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pete roper

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Re: Griso HP
« Reply #11 on: June 21, 2018, 06:48:48 AM »
Or perhaps learning a bit about physics and engineering and stop talking utter bollocks!

Yeah, like that will ever work......

Rough Edge racing

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Re: Griso HP
« Reply #12 on: June 21, 2018, 07:37:21 AM »
See the post above yours. Also calibration is vital, not just the rollers either. There are a host of correction factors available, that means that unless every dyno is using the same tables the figures are going to be rubbery.

Note that the figures quoted for bikes tuned and mapped by Mark and myself are always lower than those quoted by assorted magicians on the web. What hopeless losers we must be......

 Yes, the magicians....and then's there's the sad faces when the bike is tested accurately and the power figures are pathetic..

  Here's the dyno sheets from my vintage 650 Triumph land speed racer... The first column is DJ (Dynojet)... Second column is Superflow eddy current power. Eddy current is similar to what manufacturers use .The Air fuel ratio is not accurate... This naked stock frame bike runs 133 mph on a mere 50 HP

     

     
« Last Edit: June 21, 2018, 07:50:13 AM by Rough Edge racing »

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Re: Griso HP
« Reply #13 on: June 21, 2018, 07:58:27 AM »
Really? There must be some hiding amongst them  hydraulic hoses. I'll have to run out there and check :shocked:

 :thumb: Would love to see a pic of the DS21
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Offline mjptexas

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Re: Griso HP
« Reply #14 on: June 21, 2018, 09:31:10 AM »
Perhaps it's best just to adopt the Rolls Royce approach: horsepower: sufficient

This would be my position on the two Grisos I've had.  Anymore HP would probably result in jail time, as self control is virtue I have never been cursed with.
Mike

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Offline craigclu

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Re: Griso HP
« Reply #15 on: June 21, 2018, 11:39:01 AM »
:thumb: Would love to see a pic of the DS21

Here, here!  My first purchased car was a DS-19 so I've noted your sig line over time.  There aren't many of us out here!
He who is without oil shall cast out the first rod...”-Detonations 5:72.

Offline Warren Rhen

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Re: Griso HP
« Reply #16 on: June 21, 2018, 11:47:38 AM »
:thumb: Would love to see a pic of the DS21

It's going to be for sale soon. Living in a gated community I don't have the facilities to properly maintain a complex car like this. I wouldn't mind replacing it with a Griso :rolleyes:

Cheers,
Warren
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Re: Griso HP
« Reply #17 on: June 21, 2018, 01:25:56 PM »
 :bow:
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Re: Griso HP
« Reply #18 on: June 21, 2018, 02:29:40 PM »
Talk about thread veer....But the Citroen DS has long captured my imagination, since I was a kid, long before I knew or appreciated what an engineering marvel it was. on my desktop at work I have shuffling folder of photos, called "wheels". Objects of my desire. Whenever I need to shutdown for a second, I minimize my work and dream. It's mostly Guzzi's, but there's a fair smattering of cages as well. Arguably my favorite is this....



Truly transcendent functional art.

back to the program....
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Offline rtbickel

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Re: Griso HP
« Reply #19 on: June 21, 2018, 03:39:33 PM »
Way, way back in the day, 5th grade to be exact, when I was fortunate for a time to be in a hoity-toity private school, the new gym teacher/fencing master was a Frenchman who could barely speak a word of English, had an early one of those.  We all though it was the coolest/weirdest car we had ever seen.  I can still picture him with his pencil-thin mustache and high and tight haircut, looking like he should have been wearing a Kepi hat in a scene out of Beau-Geste, and he had actually been one of deGaulle's resistance fighters in WWII.
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Offline Paul Brooking

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Re: Griso HP
« Reply #20 on: June 21, 2018, 05:02:42 PM »
Back in the '80s.
I went to a motorcycle track day and there was a guy there with a station wagon version. His TZ250/350 would fit in the back along with all his tools. Each night he would reset the seats (lay them all down) and make a bed for he and his partner. Of course he would also win money by betting that he could drive around the paddock after taking one wheel off 👨‍[emoji439]





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« Last Edit: June 21, 2018, 06:48:22 PM by Paul Brooking »

Offline Guzzi Gal

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Re: Griso HP
« Reply #21 on: June 21, 2018, 05:52:12 PM »
It's going to be for sale soon. Living in a gated community I don't have the facilities to properly maintain a complex car like this. I wouldn't mind replacing it with a Griso :rolleyes:


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Re: Griso HP
« Reply #22 on: June 21, 2018, 06:23:02 PM »
 Or about 72 in boiler horsepower .

 Are we measuring in European or African Swallows ? We simply need more details if you want a real answer .

 Dusty

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Re: Griso HP
« Reply #23 on: June 22, 2018, 07:08:42 AM »
Hello, Gorgeous!

goin' up for sale in 'zona soon, GG....
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Re: Griso HP
« Reply #24 on: June 22, 2018, 05:08:47 PM »
Not the best time of year to be selling a classic car here in the inferno. You'd be doing yourself a favor if you waited until late December to start advertising.
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Offline Darren Williams

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Re: Griso HP
« Reply #25 on: June 23, 2018, 07:43:37 AM »
Back on topic, kinda. Just bought a new Griso (2016) and That bike has a strong rush of power (torque) at 5000 RPMs and above. Had it a week now and it only has about 350 miles, but I believe in loading up the rings during break-in. so I've done quite a few 5000 to 6500 hard pulls in 4th and 5th gear and it pulls strong. As a bench mark I'm comparing it to my FJR, FJ09, and R1200GS I ride all the time. Test rides I have done on an R9T and other similar bike tell me it's torque and rev happy nature make it a very fun machine to ride regardless of the numbers.


Of course I still have a lot to do to the bike to make it work right (that the factory should have done) including remapping the atrocious fueling. It literally is terrible at 4000 and under.
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Re: Griso HP
« Reply #26 on: June 23, 2018, 08:22:16 AM »
Back on topic, kinda. Just bought a new Griso (2016) and That bike has a strong rush of power (torque) at 5000 RPMs and above. Had it a week now and it only has about 350 miles, but I believe in loading up the rings during break-in. so I've done quite a few 5000 to 6500 hard pulls in 4th and 5th gear and it pulls strong. As a bench mark I'm comparing it to my FJR, FJ09, and R1200GS I ride all the time. Test rides I have done on an R9T and other similar bike tell me it's torque and rev happy nature make it a very fun machine to ride regardless of the numbers.


Of course I still have a lot to do to the bike to make it work right (that the factory should have done) including remapping the atrocious fueling. It literally is terrible at 4000 and under.

For $100  Mark will send you a map that you can't beat.  You can try but...
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Re: Griso HP
« Reply #27 on: June 23, 2018, 09:40:54 AM »
For $100  Mark will send you a map that you can't beat.  You can try but...
Really Darren, it IS that easy.
Just get the map, stuff it in, get some one who knows how to do the TB's, and say goodbye to all the crappy map bulldust.
Just do it mate...   
I've only ridden an 8V once, but it's been Beetled and Ropered, and the motor felt like honey by comparison to my 2V.
(Only by comparison, mind you...)

Offline Darren Williams

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Re: Griso HP
« Reply #28 on: June 23, 2018, 09:52:53 AM »
Really Darren, it IS that easy.
Just get the map, stuff it in, get some one who knows how to do the TB's, and say goodbye to all the crappy map bulldust.
Just do it mate...   
I've only ridden an 8V once, but it's been Beetled and Ropered, and the motor felt like honey by comparison to my 2V.
(Only by comparison, mind you...)

On my to do list.  I need to re-download Guzzidiag and am glad I saved the cables from when I had the 1200 Sport and Stelvio.
The best part of riding a motorcycle is to tilt the horizon and to lift the front coming out of a corner and to drift the back end powering thru loose dirt and to catch a little air topping a hill and... yeah it's all good!

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