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Old 10-03-2006, 08:41 AM
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Default BMW Z3 conversion

I know some may flame me because of the fuel rail covers...but I like them and I'm finally ready for the muffler shop!





Old 10-03-2006, 09:41 AM
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Looks good!

I especially like the contrast of the red covers under the hood. Really "Pops"

Looks pretty tight in there, but it obviously does fit. Looks about as tight or maybe a little tighter than my Bravada (S10 Blazer).

I also appreciate the sensor taped to the MAF. Gotta do what you've gotta do to get it running & take a few hot laps.


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Old 10-03-2006, 10:30 AM
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Looks like its going to be a fun ride.
Old 10-03-2006, 12:13 PM
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looking good!
man! that thing is going to fly once it's finalized!
any power adder plans?
Old 10-03-2006, 01:49 PM
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looks really good in there! and i bet the LS is a bit lighter than the iron 6 you took out?!?!?!

and maybe its time you put your own kit togther???

thanks Chris.
Old 10-03-2006, 01:53 PM
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you are right... those FRCs are hideous, they hide the beauty of the motor

now all you need is a bowtie or "powered by chevrolet" on the car somewhere :p
Old 10-03-2006, 02:46 PM
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Originally Posted by Cop Car
you are right... those FRCs are hideous, they hide the beauty of the motor

now all you need is a bowtie or "powered by chevrolet" on the car somewhere :p
It should say it in German though... "Angetrieben durch Chevrolet"
Old 10-03-2006, 08:33 PM
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Originally Posted by chuntington101
looks really good in there! and i bet the LS is a bit lighter than the iron 6 you took out?!?!?!

It is lighter than an iron BMW I6, but I started with an aluminum I4 so I'm not losing any weight, although I should have better weight distribution than the MZ3's.

I don't have the fab skills to make my own kit, this was my first swap....I'm good enough to turn a wrench and study what has been done on the internet. Mike of Nash Motorsports and John of Speartech have been big helps, but I've gotta give props to www.vorshlag.com for putting the idea in my head.
Old 10-03-2006, 08:51 PM
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I like it, i would love to see somethin like that around here, i would like to ride in it even more. good job. Todd
Old 10-05-2006, 06:36 AM
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Drove her for the 1st time yesterday...1 mi up to the muffler shop with open headers and 1mi back with 2.5" Magnaflow setup







Old 10-05-2006, 07:15 AM
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Well, how was it? Details man!
Old 10-05-2006, 10:10 AM
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That is sweet!!!
Old 10-05-2006, 12:36 PM
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did you use the 4cyl rear or did you get an "M"rear? did you reinforce the rear diff. and mounts I have heard of some of the "M" roadsters that get driven hard will rip the mounts off the body. looks like it should be fun, nice job
Old 10-05-2006, 12:43 PM
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Now that is flippin' sweet

That thing should haul some major ***!!
Old 10-05-2006, 01:10 PM
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Joe that conversion looks really slick. Those are CCW rims? What size tires/front back and rim size? Looks like lots of tire out back for sure.

Did you make the kit including the headers.... or did you use the Vorschlag kit?

Does the steering rack remain in the stock location? Any bump steer issues?

I'm curious about what rear diff you are running and gear ratio.

-Mark
Old 10-05-2006, 01:20 PM
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+1 on the diff!

i have heard the M sport ones are BOMBPROOF!!! some said they are as strong as the Ford 9inch IRS diff used in top flight rallying over here!

Chris.
Old 10-05-2006, 01:24 PM
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Wow absolutely awesome! Must fly! Good work man post up more pics and a video if you can!
Old 10-05-2006, 01:26 PM
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Looks sweet! I had an MZ3, oh how I miss that car. I will do your conversion some day in the future...

The back bodywork looks like it is from a 6cyl car, did you swap that out?

Finally, you have got to do a more detailed writeup. This is too sweet not to!
Old 10-05-2006, 03:09 PM
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Hi Guys-

I'll take a crack at some of the ?'s I'll jump around a bit but hopefully not miss any

- Car originally had a 1.9l 4cy
- I upgraded to early 6cyl body panels (rockers, rear fenders, rear bumper cover, and M front bumper cover)
- I upgraded to 6cyl (larger case) diff
- I used Randy Forbes rear end reinforcement kit
- Battery is moved to the back
- The kit completely reinforces the trunk floor and is made for a dual mount diff (vs single ear stock mount)
- To use this kit I needed to use an e36 M3 rear diff cover with the e30 diff
- Gear ratio is 3.73:1
- I also upgraded to IE urethane subframe bushings (and IE motor mount bushings)
- Headers are from Nash Motorsports
- Motor sits TIGHT to the firewall with most of the motor behind strut towers
- Stock steering linkage is left in place
- Wheels are CCW Classic (street model)
- 18x8.5" front with 245/40 (need 245/35 or 235/40 for better fit though)
- 18x10.5" rear with 295/30
- Brakes are 4 piston Wilwood's with e46 M3 rotors (12.9")
- Mustang hydroboost mc
- Stock BMW clutch mc
- Centerforce dual friction 12" clutch
- LS6 intake
- GM Hot Cam
- LS6 valvesprings
- LS6 valley cover and PCV mod
- SLP hardened pushrods
- ASP crank pulley
- Speartech harness
- Aeromotive FPR
- Magnaflow mufflers (and x-pipe)


I believe I've answered all the ?'s but let me know ifyou've got any others.
Old 10-05-2006, 04:34 PM
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did you have to modify the inner or outer fenders?


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