R3VLimited Forums

Go Back   R3VLimited Forums > General Forums > Track & AutoX

Reply
 
Thread Tools
Old 01-02-2017, 12:51 PM   #1
trigun7469
Advanced Member
 
trigun7469's Avatar
 
Join Date: Aug 2004
Location: cleveland,oh, Erie,Pa
Posts: 110
Send a message via AIM to trigun7469
Chumpcar E30 325is

I am purchasing a race ready Chumpcar, and I wanted some input on the typical preparation before, during and after a race. Also some input on what to focus on as far as what breaks, and the costs associated.
trigun7469 is offline   Reply With Quote
Old 01-02-2017, 01:58 PM   #2
rwh11385
lance_entities
 
rwh11385's Avatar
 
Join Date: Oct 2003
Location: internetz
Posts: 18,301
If you are running Chump, you might need a lot of bondo for repairs. But I've heard they've gotten better...

Have you washed out the fuel tank? Rust particles in them are an issue, leading to clogged injectors / fuel filter. Bring a few spare filters just in case (after a wash, we stopped losing cylinders... but then 2 races later we had a hiccup coming out of corners at max torque, ended up being a clogged filter making too much work for the fuel pump).

E30s are generally robust, thankfully. Just make sure you have enough negative camber in front as to not roast your outside edges of the tires. And we've seen someone back out a front brake bracket or caliper bolt (which destroyed a lot, including the wheel) so make sure they are tightened correctly.
__________________
rwh11385 is offline   Reply With Quote
Old 01-03-2017, 09:04 AM   #3
djjerme
No R3VLimiter
 
djjerme's Avatar
 
Join Date: Sep 2010
Location: Portland, OR
Posts: 3,209
What do you know about the car (history, prep level..etc.)

That would give us an idea about what to expect. If it was ran Chump it's entire race career there is a lot of unknowns, unlike something that was built for say SE30 or PRO3.
__________________
1984 Alpina B6 2.8 #35 - (COMING SOON to a meet near you.)
1985 PRO3 #50 - converting to ST
1991 empty shell - New PRO3 build
2004 X3 2.5 - "Bento"
2010 Audi A3 - wife's other German car

Leave me some transaction feedback
djjerme is offline   Reply With Quote
Old 01-03-2017, 01:39 PM   #4
e30_302
E30 Addict
 
Join Date: Sep 2013
Location: Staunton, VA
Posts: 443
Forum.chumpcar.com
__________________
http://s23.postimg.org/i8h0vqh9z/image.jpg
e30_302 is offline   Reply With Quote
Old 01-03-2017, 01:53 PM   #5
trigun7469
Advanced Member
 
trigun7469's Avatar
 
Join Date: Aug 2004
Location: cleveland,oh, Erie,Pa
Posts: 110
Send a message via AIM to trigun7469
Quote:
Originally Posted by djjerme View Post
What do you know about the car (history, prep level..etc.)

That would give us an idea about what to expect. If it was ran Chump it's entire race career there is a lot of unknowns, unlike something that was built for say SE30 or PRO3.
Built for Chumpcar ran for 2 years, no rust as it is a Carolina car.
- H&R race springs (32 race hrs)
- Bilstein Sports (32 race hrs)
- Condor rear trailing arm bushings (32 race hrs)
- AKG rear subframe bushings (inverted) (32 race hrs)
- New 63L fuel tank with external surge (2hrs 2min stint) (32 race hrs)
- Ireland Engineering front camber kit (32 race hrs)
- PFC pads on Bimmerworld blanks (16 race hrs)
- Lightweight Interstate battery
- New front control arms and bushings (64 race hrs)
- New calipers and braided brake lines (64 race hrs)
- Bimmerworld plug wire set and coil (64 race hrs)
- Alternator, starter, rad, rad hoses, relays, fuel pressure regulator and fuel lines (64 race hrs)
- 173 ECU
- Lexan side and rear windows
- Front wheel bearings with Bimmerworld studs (64 race hrs)
trigun7469 is offline   Reply With Quote
Old 01-03-2017, 02:36 PM   #6
e30_302
E30 Addict
 
Join Date: Sep 2013
Location: Staunton, VA
Posts: 443
Sounds well sorted. I would say if you don't want to take the 20 point hit for the camber plates, just slot the strut tower bolt holes. 20 points is good for one sway bar.
__________________
http://s23.postimg.org/i8h0vqh9z/image.jpg
e30_302 is offline   Reply With Quote
Old 01-04-2017, 06:24 AM   #7
squidrope
Wrencher
 
Join Date: Dec 2012
Location: Hampton, NH
Posts: 203
http://forums.24hoursoflemons.com/vi...c.php?id=16312
squidrope is offline   Reply With Quote
Old 01-04-2017, 06:28 AM   #8
M-technik-3
I waste 90% of my day here and all I got was this stupid title
 
Join Date: Oct 2003
Location: Global: Massachusetts
Posts: 18,187
Send a message via Yahoo to M-technik-3
NO mention of Fire Suppression system. Up to date and is the cage still meeting all requirements?

Spares?
M-technik-3 is offline   Reply With Quote
Old 01-04-2017, 10:48 AM   #9
e30_302
E30 Addict
 
Join Date: Sep 2013
Location: Staunton, VA
Posts: 443
Quote:
Originally Posted by squidrope View Post
Probably should have linked my own thread. But that would have required google'ing "common e30 problems Lemons." Too much work.
__________________
http://s23.postimg.org/i8h0vqh9z/image.jpg
e30_302 is offline   Reply With Quote
Old 01-04-2017, 11:16 AM   #10
ForcedFirebird
R3V Elite
 
ForcedFirebird's Avatar
 
Join Date: Feb 2007
Location: WOT-Tech, Florida
Posts: 4,476
Quote:
Originally Posted by rwh11385 View Post
If you are running Chump, you might need a lot of bondo for repairs. But I've heard they've gotten better...
In the last 3yrs + (besides the typical doughnuts) we have had ONE incident and it was a single car-meets-tire wall due to driver error. Not sure about other regions, but there's even a 67 Mustang that runs with us down here and doesn't have a scratch on it. I have heard lots of stories about the first year(s), but so far our car had more incidences in Spec than Chump (I did two years of doubly-duty).

Quote:
Originally Posted by e30_302 View Post
Sounds well sorted. I would say if you don't want to take the 20 point hit for the camber plates, just slot the strut tower bolt holes. 20 points is good for one sway bar.

50pts front, 30 rear on sways.

I agree, though, don't need adjustable camber plates, we took the 5pts for fixed vs drilling the flimsy towers, and put in a front strut bar in case of incidences (kept the car square when it met a wall at Daytona).
__________________
ForcedFirebird is offline   Reply With Quote
Old 01-04-2017, 12:04 PM   #11
e30_302
E30 Addict
 
Join Date: Sep 2013
Location: Staunton, VA
Posts: 443
Better check your version of the rule book on the sway bar points...
__________________
http://s23.postimg.org/i8h0vqh9z/image.jpg
e30_302 is offline   Reply With Quote
Old 01-04-2017, 12:52 PM   #12
ForcedFirebird
R3V Elite
 
ForcedFirebird's Avatar
 
Join Date: Feb 2007
Location: WOT-Tech, Florida
Posts: 4,476
Quote:
Originally Posted by e30_302 View Post
Better check your version of the rule book on the sway bar points...
Honest mistake. They reduced them for '17!

We just did the NYE 10hr and it was '16 rules, just DL'd 2017.


Now it's 10 each for trans and engine mounts, though. Lats year it was 10 for all.


Thanks for the heads up, we will be at Road Atlanta in a few weeks, and our value went UP
__________________
ForcedFirebird is offline   Reply With Quote
Old 01-04-2017, 01:00 PM   #13
TobyB
No R3VLimiter
 
TobyB's Avatar
 
Join Date: Oct 2011
Location: Carnation WA usa
Posts: 3,167
+1 for taking the front calipers off and adding locktite to the 8mm bolts...
that gets ugly with bigger wheels.
Also a check strap/chain/brace to catch the engine if you break an engine mount.

If your wheels stick out far enough, you can bend the struts for front camber.

t
__________________
Quote:
now, sometimes I just mess with people. It's more entertaining that way. george graves
TobyB is offline   Reply With Quote
Old 01-04-2017, 01:06 PM   #14
e30_302
E30 Addict
 
Join Date: Sep 2013
Location: Staunton, VA
Posts: 443
Quote:
Originally Posted by ForcedFirebird View Post


Now it's 10 each for trans and engine mounts, though. Lats year it was 10 for all.
If I were you I would submit a petition if all you're doing there is upgrading the material. Every single suspension bushing is open, why not engine and trans mounts too?
__________________
http://s23.postimg.org/i8h0vqh9z/image.jpg
e30_302 is offline   Reply With Quote
Old 01-04-2017, 01:16 PM   #15
ForcedFirebird
R3V Elite
 
ForcedFirebird's Avatar
 
Join Date: Feb 2007
Location: WOT-Tech, Florida
Posts: 4,476
Quote:
Originally Posted by e30_302 View Post
If I were you I would submit a petition if all you're doing there is upgrading the material. Every single suspension bushing is open, why not engine and trans mounts too?
Solid is solid, though. It has always cost points for solid engine/trans mounts (above and beyond suspension when susp bush cost points). We went with OEM for 3yrs until the incident at Daytona last year. An engine mount was compromised and ~8hr later, failed, the fan hit the radiator wiping out our motor in no time flat. We switched to solid mounts (all were $10) at the cost of a rear sway bar. I was at first excited to get the 10pt back for the bar, but since they separated engine/trans mounts, we still can's use the bar.

We were at 10-mounts 5-fixed camber plates 10-strut brace, which didn't leave enough for the 30pt sway on a 475pt car.

Now we will be at 20-mounts 5-camber plates 10-strut brace, that only leaves 15, so the sway reduction didn't help with the increase on mounts.

Maybe a change back to rubber trans mounts is in order...
__________________
ForcedFirebird is offline   Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -7. The time now is 05:32 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Copyright 2004 - 2020 R3VLimited LLC