| Tags: horsepower |
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| MINI2 Master Join Date: Jul 2005 Location: Beds Cambs Northants Local Time: 08:58 PM
Posts: 1,956
Offline | Engine for 2008 Time Attack Series So what engine combination would you build if you had entered these series?? Because we have entered for 2008 ![]() Time Attack Series - Official Website Slicks 11.77@115.92mph Street tyres 12.162 @ 119.02 It's not how much you spend but how well you spend it |
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| | #3 (permalink) |
| Tunnel Runner | As far as I know its all about entry/exit corner speed and drag power on the straights. If it were me I'd stick with the supercharger set-up for good grunty low down torque to pull you out the corners, without trying to go for max HP as it will upset the chassis above a certain level. 275 BHP should be plenty to get the job done as after removing even more trim you'll have the light weight advantage on the bigger jap cars and with the right suspension set-up will also give you higher corner entry speed than the bigger and heavier jap entries. I'd then concentrate on getting the handling set up just right. You will defo need adjustable coil-overs, adjustable ARB's, diff, roll cage and to get extra rigidity it might be worth filling the hollow parts of the chassis/frame with foamseal, 8pcf density foam should give the best strength to weight ratio ensuring that extra power doesn't flex the chassis. A track tested big brake kit with braided lines, dot 5.1 and cool air ducts will be massively important as will the brake balance. Some nice lightweight wheels such as the Pro Race 1.2's and some uber sticky rubber such as Yoko R888's or my choice the Avon ACB10's with an A31 compound. The best thing you can do though once you've done your mods of choice is get down to Bedford Autodrome and test the set-up over numerous laps to find out which is giving you the best corner speeds. I can lend you my performance box to help you with that as it will map every corner for you and show where time is lost/gained, you'll also quickly learn where the limit is. IMO, the trickiest corners to take in the Mini are the slow ones, they love fast corners and with a similar set-up to the above will dominate some of the bigger jap cars through those. Slow corners is where you'll need to spend the time honing the setup and of course making sure you've still got plenty of grunt on the straights. Thats my 2p's worth.. sorry for waffling. |
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| | #4 (permalink) |
| THE STICK Join Date: Feb 2003 Location: Worcestershire WR15 Local Time: 08:58 PM
Posts: 3,261
Offline | Something with quick rev-up. Well if you could fit one... a Scooby or mitzi engine looks like an idea...or a Jap spec Supra one ![]() You thinking MINI engine or build something specific based on a Honda or other Jap engine |
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| | #5 (permalink) |
| Overly excited!! Join Date: Aug 2006 Location: Worcestershire Local Time: 08:58 PM
Posts: 1,280
Offline | Sort your handling out first. Thats the MINI's big advantage over those cars. Hmmm...engine.... If youre going to stick with the MINI platform a 2.0L stroker with any forced induction that wont give you any lag. I'm wondering if youre going to need a higher top speed. Good luck. Will be nice seeing a MINI competing in this. |
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| | #6 (permalink) |
| MINI Obsessed... Join Date: Nov 2003 Location: Southampton, Hants Local Time: 08:58 PM
Posts: 4,679
Offline | Maybe i'm taking a different view..... Club or Pro series?? Loose as much weight as poss and get the handling spot on. Loose the SC/waterpump and use a straight turbo instead max out at 300whp. Too big I think will loose time even on track.... 75Shot of NOS for the main straight. You need to pass the line for the start of the timed lap and end of the lap doing some serious speed. The only thing you have on those cars is weight and so marginally handling but you are going to need some serious acceleration to have any chance especially against the evos. I expect 500HP skylines to be there.... |
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| | #7 (permalink) |
| MINI2 Senior | Having watched the last round at Brands all I can say is you'll need some serious grunt (and grip) to stay in touch with the majority of the entrants ![]() Best of luck ![]() GTT, GRS, Janspeed, JCW, OMP + various other bits - 232.6bhp, 191.2lbft on 1320's rolling road |
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| | #8 (permalink) |
| MINI2 Master Join Date: Jul 2005 Location: Beds Cambs Northants Local Time: 08:58 PM
Posts: 1,956
Offline | We're hoping that they stick us in the club class, we understand that this year will be a very steep learning curve for us but we also believe this is the best way to advise our track day customers on what works and what doesn't. What I like about this series is that its at differnt tracks, so we'll have a set of times recorded by someone else for each track. Slicks 11.77@115.92mph Street tyres 12.162 @ 119.02 It's not how much you spend but how well you spend it |
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| | #9 (permalink) |
| Thinking Minis | I think you have to stick to the S engine just to show what it can do. You have a cage and little trim so its just the handling and brakes to get right. remember the wheel size is a big factor when it comes to brakes, a 15 inch 215 tyred car will stop much faster than a 17 inch 215 tyred car with the same brakes. I so need to get a team together to build a track car soon! For All Your Mini's Needs ![]() 01905 620011 |
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| | #10 (permalink) |
| Mini2 Sponsor & Tuner Join Date: Jun 2005 Local Time: 12:58 PM
Posts: 917
Offline | 2.0L stroker with bigger Rotrex you are going to need big power to stay with the Big cars and this should easily get you 325whp to the ground in a linear fashion and deliver it cool enough to repeat it all day long which is the Eaton's major downfall ![]() |
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| | #11 (permalink) |
| LOBSTER! | dont need an engine just need choco hob nobs! ![]() the thing is you go turbo your in the same league as the big evo's (both running turbos) but i dont think there is another supercharged car in the series?? good luck for the series and i hope to see ya at some test days! (using my car as a base line LOL )..::14.21@100.99MPH::.. 15% Pulley, CAI, Mani, Back Box, GRS Intercooler |
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| | #12 (permalink) |
| MINI2 Master | blimey, what you gonna do paul, rip it off the start line and then panic at first corner.......lol only joshing. Perosonally, are you allowed to convert the drivetrain to 4wd. best bit is you have a transmission tunnel there already, just need to move the exhaust. Use a haldex setup off a Golf and then a few months jiggery pokery and you'll be laughing. As for engine, well i would say rip out the Mini lump and drop in something like the 1.8T i so love, keep it below 350bhp and don't crazy on the turbo size. and you'll be laughing. So whens your first race. what series is this running along side, looks really interesting. reminds me of the Britcar series. |
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| | #14 (permalink) |
| LOBSTER! | only problem with sticking a different engine in is you'll lose the relation between the car on the track and your car on the road, with a supercharged engine people can relate to it with their own car. ..::14.21@100.99MPH::.. 15% Pulley, CAI, Mani, Back Box, GRS Intercooler |
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| | #17 (permalink) |
| MINI2 Regular Join Date: Jul 2007 Local Time: 09:58 PM
Posts: 119
Offline | well you have a couple of tried and tested engine combos that work. first is a 2.3ltr 4g63T engine with garrett GT42RS trubo oh and an Evo strapped to it. then you have a 1.3ltr turboed haybusa with a Dax kit car strapped to that. lol if you want to keep the MINI shape then how about a rear engine conversion, Qaufie box and the 4G63T motor could be VERY intresting! or you could go for the M3 motor and RWD! ![]() thanks Chris. |
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| | #18 (permalink) |
| MINI2 Regular Join Date: Aug 2006 Location: herts Local Time: 09:58 PM
Posts: 139
Offline | good luck, however i to feel, the further away you get away from the oem engine, the less relevent the times, research become, all that an engine transplant will prove is the oem however tuned is not up to the job. |
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| | #19 (permalink) |
| MINI2 Regular Join Date: Jul 2007 Local Time: 09:58 PM
Posts: 119
Offline | wasn't having a go at any of the engine tuners out there. was just stating that thats what has been used to go VERY fast at these kind of things before! also i think you are going to have a VERY hard time putting 500+bhp to the front wheels even with traction control, custom suspention and very very grippy tyres! if anyone is even considering using a diffrent drivetrain, such as 4WD, then why limit yourself to the stock engine??? why not go the cossy turbo engine and 4WD route??? you WILL beable to make more power form a built 2.0 cossy plant than what you will from ANY MINI engine! also all the R+D work has already been done. plus its been done a million and one times before (getting big power from the engine) and there are on the shelf parts ready to go. personaly i would look to do a spaceframed car. then you can run whatever power plant you want. also people have built the chassis and bodies before. thanks Chris. |
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| | #20 (permalink) |
| Overly excited!! Join Date: Aug 2006 Location: Worcestershire Local Time: 08:58 PM
Posts: 1,280
Offline | Then again, one of the reasons 1320 are doing this is so they can advise customers on what works best on the track. That would mean they should be using the MCS engine as the base for whatever they do. |
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