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11-18-2019, 09:24 PM | #177 |
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Thank you! Please post the results, really interested. 292 cams?
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11-20-2019, 05:35 PM | #178 | ||
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11-22-2019, 12:05 PM | #179 |
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I am rebuilding my spare engine in few months. Will probably go with CarBahn Autoworks 4.0L rebuild kit with race cams. Already have Karbonius box and Dinan TBs to go into this build.
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2018 M5
2009 E92 M3 race car 1988 E30 M3 (sold) 1990 E30 325is s50 swap race car (sold) |
11-22-2019, 12:28 PM | #180 |
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03-01-2020, 08:56 PM | #181 |
Dem Ingenör ist nix zu schwör!
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Drives: 2010 E92 M3 - DCT, EDC
Join Date: Jan 2013
Location: Victoria, BC
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How so? More American Muscle-y or more Euro Exotic-y? Lumpier idle?
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03-02-2020, 05:58 AM | #183 |
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Much harder edged intake sound. It's a surprising difference vs the e92 which also has a Karbonius airbox
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03-02-2020, 06:40 AM | #184 |
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03-02-2020, 11:04 AM | #186 |
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03-02-2020, 01:46 PM | #188 |
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03-02-2020, 02:18 PM | #189 |
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Do you ever make it down to Sebring?
Hoping to try an hpde there sometime this year.
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03-02-2020, 03:42 PM | #190 |
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03-04-2020, 09:45 PM | #191 |
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Drives: 2011 E92 M3
Join Date: Oct 2016
Location: Orlando, FL
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I go to Sebring all the time.. let me know when you do come down, would love to see the car.. Drive to VA and put the car on the Amtrak Auto transport all the way down to Orlando. Sleep your way down and up again... ;-) just a thought!!!
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03-04-2020, 11:03 PM | #192 |
Crazy!
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Might have missed it, but whats total cost on a stroker build with all labor and parts? mind sharing?
I see stroker kits from $8k-11k and race cams around $3k. but what about all the labor and tuning? I'm guessing buying an engine fully built from Lang racing/KMS /Carbhan and selling my current engine might be more cost efffective than buying parts and having someone build it ?
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03-05-2020, 09:00 AM | #194 | |
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Assuming you have your own core and all associated peripherals: it's like 25k without cams or tuning or removal/install or the headers+karbonius setup. So add 3.5 cams + 2 tuning + 4 removal/install + 5 headers/xpipe + 3 karbonius. I would buy one of the 5k ebay engines and send it to be built, that way you keep (or sell) your current engine. |
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03-31-2020, 12:48 PM | #195 | ||
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04-03-2020, 06:04 PM | #196 |
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This whole build is just
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04-04-2020, 11:34 AM | #197 |
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I am happy to report the cams are installed, modified VANOS (limited) is in as recommended from Steve (Carbahn) who originally built the stroker, and engine is mechanically timed perfect per TIS instructions. New stem seals (BMW); and springs, titanium retainers, and keepers from Schrick are all installed.
Things I found during the teardown....the bank 1 exhaust cam was out of spec on timing, a broken factory valve spring on cyl 2 exhaust, and a broken intake spring on cyl 6 intake. The car had no misses, only occasional random misfires at WOT in the upper end of the rpm band on track days...which I thought was an ignition issue or tuning but now know better, lmao. If we didn’t have the lifter bucket design on the valvetrain, I’m sure the broken pieces would have gotten loose and cause catastrophic damage. The valve spring break point was at the same location on both springs. I baseline dyno’d the car just before teardown (400whp, 330 ft-lb) which we agreed was on the low side for the motor, but I suspect is now because of the as found mechanical issues. Just got my powder coated valve covers back, some HKS plugs, and will finish the mechanical work this weekend. What’s left...getting a tuner lined up. I have tons of photos and will post the entire before and after when done. Hopefully I can get to the numbers near SYT_shadow, but my motor has seen a few years of use and many a track day. Last mechanical upgrade for the car...I have a 4.10 Motorsports gearset that’s been REM polished along with carrier bearings, and a Wavetrac pumpkin. |
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04-04-2020, 11:35 AM | #198 |
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Think 35k, plus cams/headers/airbox
Lots of $ but I've driven lots of cars and there's nothing I like more |
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