Track prep help needed, Prepping 914 for HPDE |
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Track prep help needed, Prepping 914 for HPDE |
stumpmj |
May 10 2005, 10:22 AM
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#1
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Newbie Group: Members Posts: 3 Joined: 8-May 05 From: Detroit, MI Member No.: 4,044 |
I tried the search but I couldn't quite find the info I was looking for so I'm putting up my first thread.
I'm plannin got use my 75 914 2 liter for HPDE and lapping days (I currently instruct in a 350Z) but I'm unsure about what the car needs to have done to it to make it track worthy. I'm not looking to race or be particularly fast, I just want to make sure the car will be reliable and safe. The car already has weltmeister autocross rear springs, koni shocks, and (I believe) the weltmeister front sway bar. I'm planning to upgrade to BMW 2002 front brakes and remove the factory porportioning valve (to replaced with a driver adjustable one) and to fix some rust (of course). Beyond that, what do I need for the track? Do I need a deep sump, oil cooler, stiffening kit, roll cage? I'd love to do everything to the car but my budget is pretty tight (buying a house) so like I said before, I'm just trying to make the car safe and reliable. Any sage advice would be much appreciated. |
sjhowitson |
May 10 2005, 11:19 AM
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#2
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Member Group: Members Posts: 478 Joined: 4-August 04 From: Moraga, CA Member No.: 2,449 |
Tires are very important. I would look into some track tires. They make a hugh difference. I would also look into an oil cooler. Track temps tend to be higher. Brakes are also important IMHO....Going fast is the best fun I can have, but I like to know I can stop fast if I need to. I would change the brake fluid. Good racing pads are a good investment. Make sure you look over the whole system. Make sure ther are no leaks or worn lines. If you see any fix them. Murphys law things will brake at the worst possible time. Going into a tight turn and having no brakes is the worst time. You may want to look int the rules for your event about roll bar. I drove Time Trials for three years before I went into a class that required a roll bar. I hope that helps. (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif)
Be safe and have fun |
anthony |
May 10 2005, 11:52 AM
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#3
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2270 club Group: Benefactors Posts: 3,107 Joined: 1-February 03 From: SF Bay Area, CA Member No.: 218 |
It just depends what you want to do on the track and what the safety requirements are for the group you are running with. A well running stock car is fine for driver's education. You want to make sure the tires are good and the brakes are in tip top shape. If you are going out there to set personal best times around the track then the sky is the limit on what you can spend to achieve your goals.
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VegasRacer |
May 10 2005, 12:28 PM
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#4
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ELVIRA Group: Benefactors Posts: 8,625 Joined: 27-March 03 From: Between Scylla and Charybdis Member No.: 481 Region Association: None |
It sounds like you already know the basics.
#1.) Safety - Everything that moves needs to be out of the car. Take out the floor mats if you have them. Make sure the carpet will not move and get stuck behind the pedals. Secure the battery and cover the post. Add a fire extinguisher if you don't already have one. Check the wheel bearings. Nut and bolt everything on the suspension. Good tires are necessary. Make sure the break system is working perfectly. Blead with fresh fluid. A 5 point harness will make it easier to drive the car if you are not fighting to stay in your seat. It is also a good safety improvement. Watch the temp guage. The car will get hot if you are really pushing it. I would not worry about an oil cooler or cage for now, unless you plan to do a lot more track events. Have fun. |
stumpmj |
May 10 2005, 04:39 PM
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#5
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Newbie Group: Members Posts: 3 Joined: 8-May 05 From: Detroit, MI Member No.: 4,044 |
I know the basics of the HPDE scene since I've been doing them a couple of years. I just wanted to make sure there weren't any 914 problems that aboslutely had to be taken care of before hitting the track. A cage is on the way for sure as are a set of R compunds (probably Victoracers). My concern is hurting the chasis or the motor. I guess I'll be adding an oilcooler but is there any thing else to worry about (oil starvation, breaking the chasis, etc)?
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Mueller |
May 10 2005, 04:46 PM
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#6
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914 Freak! Group: Members Posts: 17,150 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None |
for now, just add an extra 1/2 quart of oil, a "tuna can" would help as well (round deep sump)
as long as your chassis is solid, you shouldn't have to worry about "tweaking" anything for some light DE events........if a cage is a long way out, a roll bar with a petty bar will help (much cheaper alternative) the chassis kits Engman sells in the resource section supposed to help as well if you want to put off putting in the cage...... |
Dave_Darling |
May 10 2005, 05:53 PM
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#7
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914 Idiot Group: Members Posts: 15,051 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California |
If you don't put a "tuna can" or deep sump or Accusump in, keep an eye on the oil light. If you have the "large red brake warning light" in the combo gauge, consider swapping the wires between it and the green oil pressure warning light. It's a lot easier to notice the GREAT BIG light they use for the brakes than it is to notice the little tiny green oil light. And if the brakes have problems, you won't need a light to tell you... BTDT!!
Definitely keep an eye on the oil temp gauge (if you have one). Even if you already have an external cooler. New brake fluid for the track event. No more than a month old, I would say, and newer is better. Good brake pads. The BMW brake upgrade is not necessary, but good (and fresh!!) fluid is. A 10-lb Halon fire extinguisher that you can reach when belted in. If you use some other kind than Halon, make sure it's not one of the dry chemical ones that eat aluminum alloys and wiring insulation. Make sure the car is in good running condition, with no loose parts. IMHO, those are all that is necessary. All the rest is in the "nice to have" realm. --DD |
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