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V12 in a C5/6

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Old 11-05-2013, 12:14 PM
  #21  
SaberD
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Old 04-17-2014, 08:41 AM
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xschop
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Originally Posted by xschop
It fits

Any V6,V8, V10, V12 Toyota engine that uses the A340 trans will now bolt right up to the Vette 6speed

The journey begins....

http://forums.rennlist.com/rennforum...l#post11300178
Old 04-17-2014, 12:36 PM
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zeevette
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That's a beautiful piece of gear. I hope your project works out.
Old 04-17-2014, 09:16 PM
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95wht6spd
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How much power?
Old 04-18-2014, 01:52 PM
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xschop
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We should be at 500-550 reliable RWHP with low boost (6-8 psi)

For those that have asked, we just measured from rear block to front pulley is 750mm (29.5")

LS1 with short Vette WP pulley is 28"
Old 02-04-2015, 09:25 AM
  #26  
xschop
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Default About to fire-up the Enigma

Just working out a cam sensor program in Megasquirt. We also didn't have to touch the Torque tube lengthwise with the V12. It was a perfect fit. So I'm confident that this combo would drop in the C5.....





Last edited by xschop; 02-04-2015 at 09:28 AM.
Old 02-04-2015, 08:13 PM
  #27  
olbear1962
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very interesting mod! glad you posted pic's. Pls keep us all posted, love to see the finished product!
Old 02-09-2015, 03:56 PM
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xschop
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Seeing it is one thing, hearing it is another. Dinsdale fired it up and it is indescribeable.....like it's defocating the V8 it replaced


Last edited by xschop; 02-09-2015 at 07:19 PM.
Old 02-10-2015, 07:51 AM
  #29  
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We'll get another vid up after some more tuning and clutch break in. It's on a single resonator and muffler. Super quick reving with a non-lightened flywheel and clutch. Ultra smooth power delivery. Glad we have the Vette trans to put the power down.


Last edited by xschop; 02-10-2015 at 07:54 AM.
Old 02-10-2015, 09:23 AM
  #30  
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I tried to follow your link to Youtube, but it said that the video was private and didn't show it...

Sent from my DROID TURBO XT1254 using IB AutoGroup
Old 02-10-2015, 10:43 AM
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xschop
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OK. Figured the video privacy thing out and fixed it. I can transplant a V12, but figuring them there Internet's is another issue lol.
Forgot I had another LS1 Porsche swap video loaded.....
We got the throttle bodies balanced and modded to run on the cable from Porsche pedal...

Last edited by xschop; 02-10-2015 at 10:23 PM.
Old 02-12-2015, 01:30 PM
  #32  
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Default Final tune before road test

The 1gz V12 is about 100lbs lighter than the Porsche V8, so we'll need to do an alignment.

Old 02-15-2015, 11:19 AM
  #33  
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OK. We found the 3-9 shared coil issue (loose connection at coil drivers). Then we set AFR to each set of 6-Banks at 13.8..... This thing is wicked...
Old 03-08-2015, 10:27 PM
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Default CAI is complete......burnout vid next

http://youtube/T_njnHX4Vzs



Last edited by xschop; 03-08-2015 at 10:32 PM.
Old 03-08-2015, 10:34 PM
  #35  
xschop
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http://youtu.be/T_njnHX4Vzs
Old 03-09-2015, 04:33 PM
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jackthelad
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OK, what did I miss? There is essentially no clearance between the front of the LS1 front pulley and the steering rack. So a longer engine either has to go way up in the air over the rack, or you lower the rack which will royally eff up the steering geometry.

BUT, I am still confused as to why. You can get more power more easily out of an LSX, without the need for any invention along the way. Or just drop in a complete LS9 unit - Chevy will happily sell you one. If 640 or so bhp isn't enough, the LSXR 454 is north of 700 hp.
Old 03-09-2015, 05:50 PM
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xschop
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Because we can.
I'm looking into the Merc V12 Bi-turbo as an option. The 1gz supports almost 1000 HP in TT trim as shown by Smokey Nagata.

Last edited by xschop; 03-09-2015 at 05:53 PM.

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Old 03-10-2015, 09:28 AM
  #38  
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Originally Posted by jackthelad
OK, what did I miss? There is essentially no clearance between the front of the LS1 front pulley and the steering rack. So a longer engine either has to go way up in the air over the rack, or you lower the rack which will royally eff up the steering geometry.

BUT, I am still confused as to why. You can get more power more easily out of an LSX, without the need for any invention along the way. Or just drop in a complete LS9 unit - Chevy will happily sell you one. If 640 or so bhp isn't enough, the LSXR 454 is north of 700 hp.
Some people just like doing things the hardest way possible.
Old 04-07-2015, 07:41 PM
  #39  
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6th Gear on way to Texas Mile


Old 04-12-2015, 08:03 AM
  #40  
xschop
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Originally Posted by xschop
6th Gear on way to Texas Mile


https://youtu.be/JtjQG9bNTfY



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