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chippeduk View Drop Down
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Points: 696 		Direct Link To This Post Posted: 13-December-2004 at 03:30

Power engineering do read low but they are good.

I am amazed they have never had an m3 engine give stock power before.
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Points: 5445 		Direct Link To This Post Posted: 13-December-2004 at 04:57
Originally posted by chippeduk chippeduk wrote:

Power engineering do read low but they are good.


I am amazed they have never had an m3 engine give stock power before.



I don't think it was overlooked but what petrol have they used in the past? When was 98OCTAN petrol available in the UK? If measured with 95OKTAN I am not surprised about the low figurs of E36/EVO
E61 520d, slow and buzzy but my wallet likes the mpg.....
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M BLUR View Drop Down
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Points: 1557 		Direct Link To This Post Posted: 13-December-2004 at 05:02

Originally posted by chippeduk chippeduk wrote:

mine is pushing 358hp but with 2.1bar pressure it gave 230hp so fueling can be an amazing difference in power gains and losses.

What peak torque was it running..(and where) what were you making at 6 gees? ZMR pulled 274lbft at 3500rpm.... broke 300bhp (fly) at 6K and onto 345bhp (351/277lbft with uni-chip). That's using only Gruppem/Eisemann.

Some of the figures mentioned here do seem very low. Backs up the varying experiences of mbrs and that there is a massive range in performance coming off EVOs because of set-up.

Similarly massive discrepancies between RRs as well..

 



Edited by M BLUR
www.lbmracing.com


1998 Zeemax M Roadster
2005 X5 3.0D Sport
1991 Esprit SE Race car

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chippeduk View Drop Down
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Points: 696 		Direct Link To This Post Posted: 13-December-2004 at 05:26

I dont have the torque graph here as the run was only done when i had my fcon fitted.

I am doing another run this week so will get the images uploaded here.

I used 98 ron fuel and octane booster (102 ron) as i prefer a higher octane when on the rollers.

 

 
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Points: 5445 		Direct Link To This Post Posted: 13-December-2004 at 06:25
Originally posted by chippeduk chippeduk wrote:

I used 98 ron fuel and octane booster (102 ron) as i prefer a higher octane when on the rollers.


 


 



what Oktane are the chips mapped you sell on your website?
E61 520d, slow and buzzy but my wallet likes the mpg.....
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chippeduk View Drop Down
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Points: 696 		Direct Link To This Post Posted: 13-December-2004 at 06:28

I do them for UK fueling 95-99 ron

I also have them for every region so can do them too all parts of the world.

Standard your m3 is mapped for euro fueling and not UK fueling.
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Points: 5445 		Direct Link To This Post Posted: 13-December-2004 at 07:13
Have you ever tried to find the "limits" of the ignition when using Octance booster (I am just nosy no serious reason).
Did it make a difference hp/torgue output when using booster?
E61 520d, slow and buzzy but my wallet likes the mpg.....
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chippeduk View Drop Down
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Points: 696 		Direct Link To This Post Posted: 13-December-2004 at 07:26

I only ise 1 litre in a full tank so octane reaches maybe 99ron ?

I use it to stop pinking on heat build up in the atmosphere of a rolling road unit.

If you use pure 102 ron fuel and map for it you can see an improvement in power.
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