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| Author: | GR [ Fri Jan 28, 2011 6:31 pm ] |
| Post subject: | Supercharger dyno run |
Here's some photo's and dyno sheets from a 1275(1360) motor I had running on the dyno today. The setup was a Link Automotive (Hanz) from melbourne. Maximum boost of 7lbs was at 6500revs. Maximum power was at 6000revs and running 6.5lbs of boost. It was a pretty red motor too. Graham Russell 
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| Author: | poeee [ Fri Jan 28, 2011 6:34 pm ] |
| Post subject: | |
Oh lovely! Would love to see a simular engine with a poor mans supercharger (SC12). |
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| Author: | drmini in aust [ Fri Jan 28, 2011 6:35 pm ] |
| Post subject: | |
Nice flat torque curve... OK I'll bite- how long will the crank last with no harmonic balancer on it?? 
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| Author: | Super-mini [ Fri Jan 28, 2011 7:17 pm ] |
| Post subject: | |
its a nice looking kit, can the boost be increased? |
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| Author: | aaron [ Fri Jan 28, 2011 7:21 pm ] |
| Post subject: | |
It is a nice red isn't it. |
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| Author: | GR [ Fri Jan 28, 2011 7:27 pm ] |
| Post subject: | |
Hi Poeee These blowers don't make much more than this the bmw mini blowers make a lot more. Hi Kev you tell me Hi Super Mini They possibly could but the blower will run out of puff. Graham Russell |
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| Author: | gafmo [ Fri Jan 28, 2011 7:34 pm ] |
| Post subject: | |
torque curve 100 to 106  and you would set the Rev Limiter to 6,300.
Thats Great 
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| Author: | simon k [ Fri Jan 28, 2011 7:36 pm ] |
| Post subject: | |
what needle is in the carb GR? motor going in a spridget? poeee wrote: Would love to see a simular engine with a poor mans supercharger (SC12).
I saw 6 to 9 lb of boost from 4000 to 6000 rpm in mine - and will again when I get my cam back (right GR?) |
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| Author: | jb007 [ Fri Jan 28, 2011 7:38 pm ] |
| Post subject: | |
Shouldn't there be a blanking plug on the vacuum advance nipple on the SU?
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| Author: | GR [ Fri Jan 28, 2011 7:56 pm ] |
| Post subject: | |
Hi Simon The needle is a BBC [ a floater] your cam i sold it to Kev to day he's making a twin cam motor for barney one for down low and one for up high Hi jb007 Yes it should, and this one has a bit of stuff stuck in it Graham |
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| Author: | Bubbacluby [ Fri Jan 28, 2011 8:00 pm ] |
| Post subject: | |
Why does it start at 4000rpm and not 0? Normal street driving you normally drive between 2000-5000 revs (even thats given it some) dont you? Thats what i do. 
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| Author: | GR [ Fri Jan 28, 2011 8:11 pm ] |
| Post subject: | |
Hi Bubbacluby If you have a look below the yellow in the white you will see 3500 rpm 97 ftlb and 64 hp it would not take full load below that but it would still take part throttle from right down low Graham Russell |
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| Author: | 850 GT [ Fri Jan 28, 2011 8:17 pm ] |
| Post subject: | |
GR wrote: Hi Bubbacluby
If you have a look below the yellow in the white you will see 3500 rpm 97 ftlb and 64 hp it would not take full load below that but it would still take part throttle from right down low Graham Russell Is this because of the cam spec? |
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| Author: | Mokesta [ Fri Jan 28, 2011 8:20 pm ] |
| Post subject: | |
Hey GR mind if I ask a few questions?:
2. What boost does it get just off idle? If it is maxing out at that power it probably gets good boost at 1500 rom where an M45 or SC12 may struggle. 3. Was that a new kit, ie are they still available? I ask because they use the older generation Sprintex charger which I didn't think were still made now that Sprintex has their new version out. The new series doesn't contain a model smaller than the S5-150 at 590cc per rev. 4. The dyno sheet says the cam is a RE13T. Is that what you'd recommend for a 1275 SC motor with a bit less boost? 5. Do you know what pistons it's running or have a recommendation for an SC 1275? I am at the buying parts stage of a similar engine and my aim is to have that or a bit less power but good torque all the way through the rev range, so a lazy streeter. Mine will be 1100s block with one of those 7-port heads. I don't know about the charger yet with the Sprintex ones being $2050!! Thanks, Mark. |
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| Author: | GR [ Fri Jan 28, 2011 8:35 pm ] |
| Post subject: | |
Hi Mark 1 10 to 1 2 0to 1 3 brand new 4 if you have the money buy a new sprintex the s5-150 will work very well best blower on the market 5 he is running my 72.5mm pistons |
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