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07-24-2015, 01:03 AM | #23 | |
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07-24-2015, 01:04 AM | #24 | |
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07-24-2015, 01:07 AM | #25 |
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Drives: G81 M3 Touring, GR Supra GTS
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07-24-2015, 01:08 AM | #26 |
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May put them on spare set of rims for the rear. Any suggestions of DOT approved drag tyre just for drag events? I've got 2 events coming up both over 1000m and no burn outs allowed. Need lots more grip for the power.
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07-24-2015, 01:21 AM | #27 | |
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Though if you're using them for 1000m runs and no burnouts are allowed I'm not sure if an R compound tyre is going to help you since usually R comps have worse grip than street tyres until they're properly warmed up. I have AD08Rs on mine and they're a hoot to drive when they're cold even when still staying under 3k RPM due to a cold engine. I imagine that R comps would be even more slippery when cold.
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07-24-2015, 03:06 AM | #28 |
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You can't compare dyne figures from machine to machine ... or even on the same machine on a different day .. or even on the same day.
It's pointless.
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07-24-2015, 05:12 AM | #29 |
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07-24-2015, 12:55 PM | #30 | |
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still, it's the best we got keep the drag racing thread for 'real world' and this for curiosity |
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07-24-2015, 08:05 PM | #32 | |
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07-25-2015, 12:15 AM | #34 |
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07-25-2015, 09:31 PM | #36 | |
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07-26-2015, 02:15 AM | #37 |
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How are you fitting rear 265s? I heard that the 225 front and 265 rears mess with the handling? I'd love to run 265s. Also what rims are you using?
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07-26-2015, 06:42 AM | #38 | |
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07-26-2015, 07:06 AM | #39 | |
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The last time Greg's car was on the dyno the power curve was still climbing at that engine speed and that was with around 22psi of boost pressure, I know other guys in the US are running a lot more boost than that on RB's with high-flow inlets. As for 600 wheel horsepower I don't see that happening on the Advan dyno with RB's or any other Stage 2 hybrid turbo, that will take a properly sorted Single Turbo conversion kit running a decent amount of boost on at least E60. |
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07-26-2015, 07:07 AM | #40 |
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07-26-2015, 07:12 AM | #41 | |
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Once the MOTIV Motorsport PI kit is installed we can dispense with the need for blending and start rockin' the good stuff straight from the one pump, lol. The back-end flash will be revised accordingly for the use of 100% E85. |
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07-26-2015, 07:32 AM | #42 | |
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We know for a fact that a completely stock N54 will make somewhere between 180-190rwkW (on the Advan dyno) providing it's tied down in the same manner and run at a ramp rate of 200, with the air temperature sensor in the dyno room and not placed within the air inlet system under the hood of the car. Sure there are factors that contribute to the final power reading such as the choice of tyres used, the tyre pressure, the level of strap tension and to what degree the vehicle is allowed to roll up onto the front drum of the rear rollers on the dyno. But if you are looking for an apples to apples to comparison Peter has a spare set of low grip wheels and tyres ready to go for cars that have super sticky tyres that tend to deflate dyno numbers quickly once they get hot. These are what we used on Mike's car and once Greg's is tuned on 100% E85 with the additional boost and ignition timing this allows for, I dare say we'll run his car up using the same wheel/tyre combo to ensure a reasonably level playing field between different N54's on "that particular Dyno Dynamics" dyno. Cheers, JD. |
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07-26-2015, 07:48 AM | #43 | |
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But you are right in that these mods will not prevent the tyres from being smoked in the first 3 gears, but the vehicle should track straight under WOT acceleration and not crab-walk as tends to be the case with suspension setups that suffer from a lot of deflection. |
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07-26-2015, 05:03 PM | #44 | ||
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