NoCoast Grant Hughes Ultra Moderator Location: Whitefish, MT Join Date: 01/11/2006 Age: Midlife Crisis Posts: 6,818 Rally Car: BMW |
No clue if they are larger but pretty sure they are $200 instead of ~$100 per arm and with two ball joints per arm and being aluminum I figure they are a regular service item, maybe magnaflux every few events, replace every 5-10 events preventatively? Grant Hughes |
DaveK Dave Kern Mod Moderator Location: Centennial Join Date: 07/11/2008 Age: Midlife Crisis Posts: 1,085 Rally Car: Compact M3 & Evo IX |
I don't think I'd want aluminum mounts on a rally car, but a good stiff urethane with no voids sounds like a good plan.
I'm with grant on the control arms. Just plan on replacing them fairly often. We noticed some slop on the 328 at 100AW and replacing those is part of my re-prep on the car as it gets ready to tackle PPIHC. I am going to go to a more solid mount on the rear attachment point for the control arm, because the stock one is pretty mushy. The one thing I would make sure of when ordering arms is to get the ones that don't have the vibration isolator on them...looks liek another potential failure point. On my Compact I put E46 "sport" arms on my car so I could have a little more room for crazy amounts of steering articulation. They've held up pretty good so far, but that car hasn't seen any rallies yet...just a season of local hillclimbs. Dave |
Andrew_Frick Andrew Frick Senior Moderator Location: Greenville, SC Join Date: 05/18/2007 Age: Midlife Crisis Posts: 684 Rally Car: Rally Spec Ford Focus |
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phlat65 Sean Medcroft Ultra Moderator Location: Edmonds, Washington Join Date: 02/12/2009 Age: Possibly Wise Posts: 1,802 Rally Car: Building a Merkur |
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DaveK Dave Kern Mod Moderator Location: Centennial Join Date: 07/11/2008 Age: Midlife Crisis Posts: 1,085 Rally Car: Compact M3 & Evo IX |
Not sure on race weight, but in hillclimb spec, my 6-cyl compact was 2675 at one point. Still full glass and no lightweight body panels. I think we added another 10 lbs of reinforcement for the rear diff since then. Only real difference for hillclimb spec is no spare or tools.
Dave |
tamgaz Hakan Okcuoglu Senior Moderator Location: Los Angeles Join Date: 01/26/2006 Age: Possibly Wise Posts: 9 Rally Car: DSM GSX |
Buy this car , and save a lot of time and money.
http://www.specialstage.com/forums/showthread.php?62714-E30-Rally-Car-1991-BMW-318is-Nasa-Logbook-new-build |
john vanlandingham John Vanlandingham Super Moderator Location: Ford Asylum, Sleezattle, WA Join Date: 12/20/2005 Age: Fossilized Posts: 14,152 Rally Car: Saab 96 V4 |
That would be a good deal---for about half that price John Vanlandingham Sleezattle, WA, USA Vive le Prole-le-ralliat www.rallyrace.net/jvab CALL +1 206 431-9696 Remember! Pacific Standard Time is 3 hours behind Eastern Standard Time. |
DaveK Dave Kern Mod Moderator Location: Centennial Join Date: 07/11/2008 Age: Midlife Crisis Posts: 1,085 Rally Car: Compact M3 & Evo IX |
It certainly would save someone some time in terms of being stage ready now, but at a pretty damn hefty premium. It does have a fast paint job! ![]() Dave |
Andrew_Frick Andrew Frick Senior Moderator Location: Greenville, SC Join Date: 05/18/2007 Age: Midlife Crisis Posts: 684 Rally Car: Rally Spec Ford Focus |
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Andrew_Frick Andrew Frick Senior Moderator Location: Greenville, SC Join Date: 05/18/2007 Age: Midlife Crisis Posts: 684 Rally Car: Rally Spec Ford Focus |
Hello Sean, Thanks for that. I have read that as well. Who is best source for those parts? I have also seen that the shock towers need reinforcements. |
NoCoast Grant Hughes Ultra Moderator Location: Whitefish, MT Join Date: 01/11/2006 Age: Midlife Crisis Posts: 6,818 Rally Car: BMW |
Turner Motorsports is a good source for most of the reinforcement bits I think.
I finished our first prototype skidplate last night. Crossmembers and skidplate, weld on turret, crossmember bolts on or welds on. Few minor modifications left to do on it but will be available for around $400+$50 core (for rear cross piece.) Last file shows a stock oil pan that was hit by me with a sledgehammer to see how easily I could break it. The car with the skidplate pictured has an S50 swap with a JB welded oilpan. He is planning to replace it soon. Grant Hughes |
Andrew_Frick Andrew Frick Senior Moderator Location: Greenville, SC Join Date: 05/18/2007 Age: Midlife Crisis Posts: 684 Rally Car: Rally Spec Ford Focus |
Grant. Nice design. I am assuming the wider sections at the back are protecting the rear A arm mounts?
How much transmission protection does it provide? A related question is how much is needed? I have a very similar design on the my focus right now. The modification I made that I really like is a small vertical section welded along the sides for about he front 3rd. This has hugely stiffened the plate. |
modernbeat Jason McDaniel Ultra Moderator Location: Dallas, TX Join Date: 12/14/2007 Age: Possibly Wise Posts: 401 Rally Car: 1963 SAAB Historic, 1995 Impreza Open Light totaled at WRC Mexico, 2005 STi Pikes Peak winner |
We use the Turner kit for E46. We use a combination of the OEM BMW parts and some parts made in house for the E36. We use the Rally Road parts on the E36 front subframe. None of these parts are hard to make, but in a shop we have to look at the time vs cost factor.
Here is a gallery of what we typically do to an E46. Very similar to an E36. E46 rear subframe mount reinforcement ![]() Not as detailed, as it's a whole car build, you can see some prep for a high powered road race car in the Vorshlag BMW E36 LS1 ST2 Build. We would do some additional things for a rally car, but this is a starting point. The front subframe ![]() The reinforced rear subframe mounting points ![]() Jason McDaniel |
NoCoast Grant Hughes Ultra Moderator Location: Whitefish, MT Join Date: 01/11/2006 Age: Midlife Crisis Posts: 6,818 Rally Car: BMW |
Not much trans protection but trans is fairly high up on these cars compared to others. Yeah, will likely add a little boxing in on the sides and a bend on newer versions. This was prototype and went on car for rallycross Saturday. S50 powered Compact with JB weld on oil pan where it was cracked already. So just wanted to get some protection on ASAP! Grant Hughes |
john vanlandingham John Vanlandingham Super Moderator Location: Ford Asylum, Sleezattle, WA Join Date: 12/20/2005 Age: Fossilized Posts: 14,152 Rally Car: Saab 96 V4 |
You really ought to a) fold the very leading edge up maybe the last inch give it an angle so it never is lower than horisontal--ie with suspension fully collapsed. and b) zap a hunk of 3/8 x 1.5 aluminum bar right in front of those exposed bolt heads as a deflector so the bolt heads don't get destroyed or cleaned right off. Hack the front , the leading edge so its has an angle.. Unless you enjoy fighting with rounded mangled bolt heads. John Vanlandingham Sleezattle, WA, USA Vive le Prole-le-ralliat www.rallyrace.net/jvab CALL +1 206 431-9696 Remember! Pacific Standard Time is 3 hours behind Eastern Standard Time. |