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| Vengeful | M7 Cosworth Stage 2? I was just wondering if anyone has gone through with this... and if so, how has it worked out? Im thinking of doing the same and just wanted some feedback... thanks alot |
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| | #2 (permalink) |
| MINI2 Regular Join Date: Nov 2005 Location: Aberdeen Local Time: 09:36 PM
Posts: 326
Offline | I was thinking about this also and have had some conversations with M7, however would also like to hear feedback from people that have the kit or know someone who has ![]() a l t a - j c w - e i b a c h - u l t r a - g t t m i l l t e k - s p e e d l i n e |
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| | #3 (permalink) |
| LOBSTER! | Same here but couple of things thats keeping me away! 1, Price (once its shiped to England it expencive to say the least and 2, Fitting! ive asked a couple of companys but they said unless they have got the kit to see whats involved they cant give me a price! ..::14.21@100.99MPH::.. 15% Pulley, CAI, Mani, Back Box, GRS Intercooler |
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| | #5 (permalink) |
| MINI2 Newbie Join Date: Dec 2004 Local Time: 04:36 PM
Posts: 23
Offline | I've had the Cosworth Stage 2+ [with crank pulley] for about 9 months now, and I LOVE it. It is FAST. If you're around Florida, by any chance, I'd let you drive it for sure. I'll answer any questions anyone has as well. The kit is solid and they have just debuted a new, improved head with even better throttle response [wish I had that, too!]. Their new trick pearl white Cosworth car is just down the street from me, and I'm gonna get a test ride any day now, so I can tell you about that, too . Anyways, what would you like to know? If you wish, I can answer the questions here or by pm/email. Cheers! |
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| | #7 (permalink) |
| MINI2 Newbie Join Date: Dec 2004 Local Time: 04:36 PM
Posts: 23
Offline | I LOVE PSJ. They have some AMAZING beaches. It's not that close, though, since it's out west in the panhandle. I'll probably be in Gainesville, then, which is a few hours away. When exactly will you be there? I may be able to come by and meet you. You'd certainly be welcome to visit, if you could. PM or email me. We'll figure something out! ![]() |
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| | #9 (permalink) |
| MINI2 Newbie Join Date: Dec 2004 Local Time: 04:36 PM
Posts: 23
Offline | I had the v1, and it was a bit louder but much cooler sounding than stock. In the cabin, with heatshield, it was quieter than an Alta or similar un-shielded intake. It gave some power, but I didn't have another CAI on my car previous to that, so I couldn't compare for my car. It sounded much sweeter than the Alta shrill. I'm waiting to get the new v3. Have you seen the videos posted on NAM of it? It sounds even SWEETER, since it's now made of aluminum and even freer-flowing. And, I'm hearing that it gives noticeably better performance, too. Hands down, it's the best-performing CAI now. Of course, it comes at a higher price... . Anyways, I totally recommend it.edit: look here at pics of the v3 vs. stock: http://www.northamericanmotoring.com...3&postcount=36 |
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| | #10 (permalink) |
| LOBSTER! | yea Ive heard them on NAM and just on the sound I'm definatly going to get it! only thing is shipping to the UK there is a supplier and it looks like ill have to get it from them for £300 for just the system on a standard throttle body but almost £500 for a M7 Throttle body! gotta start saving! ![]() ..::14.21@100.99MPH::.. 15% Pulley, CAI, Mani, Back Box, GRS Intercooler |
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| | #11 (permalink) |
| Mini2 Sponsor & Tuner Join Date: Jun 2005 Local Time: 01:36 PM
Posts: 917
Offline | they ran a stock throttle body on the 500hp mini dragster, so do you really think the 1-2mm M7 throttle body makes a difference on a 170hp car? lol we even dyno'd the 63MM TB and it made 1-2hp for $400 .... you can do the math ![]() |
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| | #12 (permalink) |
| Mini Mod Join Date: Sep 2002 Local Time: 04:36 PM
Posts: 9,315
Offline | 1-2HP on what motor? Stock or well modded? I find it that that with all the debate about this mod no one has ever put the TB on a flow bench and proven it's rating. I'm with you though. Big waste of money compared to other mods that cost the same and do more. |
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| | #17 (permalink) |
| MINI2 Newbie Join Date: Dec 2004 Local Time: 04:36 PM
Posts: 23
Offline | Hey Jan, care to comment on why you are no longer associated with Fireball Tim racing? I'm guessing that charm was not a factor...lol! Realistically, it's not exactly proper for businessmen to malign others' parts, now is it? Anyways, TBs don't add much power and that's obvious enough. The advantage of one is throttle response, not power. So, yeah, free your mind some and chill out d00d! ![]() |
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| | #18 (permalink) |
| Mini Mod Join Date: Sep 2002 Local Time: 04:36 PM
Posts: 9,315
Offline | The advantage of one is throttle response, I keep seeing that but it doesn't make sense. A larger bore will not, byy itself, increase throttle response. That's the same mentality as the guys that would thow a 750 CFM carb on their Nova and swear they got better throttle response and their car was faster. I beat many of them running my little old 600 CFM vacuum secondary Holley. Why?? Because I really had the better throttle response not them. Even at 350+hp on a small block V8 the 600 worked great. I have never once seen evidence on a MINI that just changing the TB increased 0-60 or 1/4 mile or 60 foot or 50-70MPH, etc times. If someone has some please do point them out. I'd really like to see them. |
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| | #19 (permalink) |
| MINI2 Newbie Join Date: Dec 2004 Local Time: 04:36 PM
Posts: 23
Offline | My evidence is derived from my experience- when I went from the stock TB to my M7 v2 60mm, there was a noticeable improvement in the throttle response. The below are my hypotheses. At the same partially open butterfly angle, more air is able to enter, and so more power is made. The larger TB also tends to make the initial AF ratios on tip-in a bit leaner, meaning more power (the ecu then compensates in a half-second or so by giving more fuel and the ratios go down to steady state. I've noticed the latter on my wideband and noticed the former from the ol' butt dyno. |
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| | #20 (permalink) |
| Mini Mod Join Date: Sep 2002 Local Time: 04:36 PM
Posts: 9,315
Offline | More air does not necessitate more power. That would only be true if the OEM TB were a restriction. I haven't seen any evidence of that especially a throttle tip in. Maybe WOT but at part throttle that just isn't true. That was why spreadbore carbs were so effective on the street and why modern cars are going with variable flow intake runners. A smaller more narrow air column will react more quickly to changes. That's just simple physics. Like I said. I've heard it all before but never seen the evidence. I'm not saying you're wrong but it is contrary to what I have experienced myself and if there's something new for me to learn I'm all for it. Nothing personal but leaner A/F readings and a butt dyno aren't cutting it for me. Timesliips and verified G-Tech data will help. or... somebody could loan me one so I can see for myself ![]() |
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