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Same power with newer blower and more boost and meth??

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Old 01-11-2017, 08:03 AM
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My old Novi 1000 was 14.5psi, my current setup is a the 1200 at 16.5psi. Meth is at 100% and I have a front mount intercooler. Does that make any difference to your reply? I'd have thought 16.5psi is still within the 1200s efficiency range.

I'm in New Zealand and have similar fuel to the UK with 98 being similar to 93 US.
Old 01-11-2017, 08:29 AM
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Originally Posted by amdaman
My old Novi 1000 was 14.5psi, my current setup is a the 1200 at 16.5psi. Meth is at 100% and I have a front mount intercooler. Does that make any difference to your reply? I'd have thought 16.5psi is still within the 1200s efficiency range.

I'm in New Zealand and have similar fuel to the UK with 98 being similar to 93 US.
For what ever reason, euro and other foreign country dynos always seem to read substantially lower then US. Your set up on a typical US dyno jet would yield between 425-450whp on stock exhaust with a test pipe. Over there 380-400whp numbers seems to be the % difference.
Old 01-11-2017, 10:48 AM
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Originally Posted by amdaman
My old Novi 1000 was 14.5psi, my current setup is a the 1200 at 16.5psi. Meth is at 100% and I have a front mount intercooler. Does that make any difference to your reply? I'd have thought 16.5psi is still within the 1200s efficiency range.

I'm in New Zealand and have similar fuel to the UK with 98 being similar to 93 US.
Sorry i meant type 15psi (as before for the 1000). A 1200 will take more boost for sure. I wouldn't run meth at 100pc either its too corrosive esp for the throttle body.
Old 01-11-2017, 10:49 AM
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Originally Posted by s2000Junky
For what ever reason, euro and other foreign country dynos always seem to read substantially lower then US. Your set up on a typical US dyno jet would yield between 425-450whp on stock exhaust with a test pipe. Over there 380-400whp numbers seems to be the % difference.
Very true, my car makes 550 BHP (Flywheel) but the same car in the US roughly makes that at the wheels.
Old 01-12-2017, 12:08 AM
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Originally Posted by s2000Junky
For what ever reason, euro and other foreign country dynos always seem to read substantially lower then US. Your set up on a typical US dyno jet would yield between 425-450whp on stock exhaust with a test pipe. Over there 380-400whp numbers seems to be the % difference.
I would be interested to know what you attribute that down to? Do you think that the foreign country cars are genuinely down on power or do you think the US ones all have to have inflated figures to appease the expectant owners ?

In this country the E46 M3s and S2000s never seem to make their quoted power figures, yet in the US it seems that the majority of the same cars always make more than the manufacturer claimed figures as a base point and almost unbelievable figures when "mildly" tuned. 420bhp in the case of the S54 with bolt on mods, where BMW can only get that figure out of their race engines after spending $25-30k and these are then lifed in hours.......

Can of worms, well and truly opened .
Old 01-12-2017, 07:08 AM
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Originally Posted by Mike RT4
I would be interested to know what you attribute that down to? Do you think that the foreign country cars are genuinely down on power or do you think the US ones all have to have inflated figures to appease the expectant owners ?

In this country the E46 M3s and S2000s never seem to make their quoted power figures, yet in the US it seems that the majority of the same cars always make more than the manufacturer claimed figures as a base point and almost unbelievable figures when "mildly" tuned. 420bhp in the case of the S54 with bolt on mods, where BMW can only get that figure out of their race engines after spending $25-30k and these are then lifed in hours.......

Can of worms, well and truly opened .
I have no idea why, just what ive noticed. Dyno calibration seems like the logical reason to me. But I'm only speculating.
Old 01-16-2017, 06:01 AM
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Wonder if its a different conversion for there dyno's for kw to hp ? I have taken to using ve dyno so I can see if I loose or improve its an arbitrary number at the end of the day. As long as you have a way to make sure your not going the wrong way with parts or tuning.
Old 01-16-2017, 12:17 PM
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Just got the car back and driven it and it feels great. The tensioning system is now excellent.

I can't seem to get the meth working though, it's like the kit isn't getting any power. The test button doesn't work and no lights on the controller.. I've checked the fuse and the connections to the battery terminals and they all seem good. Is there anything else I can check?

It's connected to the fuse board in the footwell - is this fused somewhere?
Old 01-16-2017, 03:45 PM
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What kit are you running?Aem? It has a fuse and the pump it ground controlled so you need positive from battery to pump with a fuse them a fuse on the controller so if it's not lighting up you have a bad unit or blown fuse fyi I have been running an AEM water meth kit for 5 years with no issues. I use the windshield washer bottle as a resivor and the pump under it on the frame. The fender liner keeps it dry and the pump lines short and responsive.
Old 01-16-2017, 04:03 PM
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Hi, it's the AEM kit. There looks to be a positive and a ground to my battery, the fuse in the controller looks ok too. This was working at the dyno, then it went to the detailer so i'm not quite sure what else to check.

My bottle is in the boot and progressive from 4psi and full at 10.

Cheers.


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