GM Gen 4 conversion including LS - Page 15 - Defender Source
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  #281  
Old March 21st, 2014, 07:58 PM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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Quote:
Originally Posted by dave_lucas View Post
Does it have 2 or 4 cats?
2 MagnaFlow cats.
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  #282  
Old March 21st, 2014, 08:33 PM
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Don Bunnell
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Quote:
Originally Posted by nmarkiw View Post
Just came back from the exhaust shop. The Y-pipe is done. ...and the jig has been built to replicate the Y-pipes. It sounds great! I am taking it on a run to Anza-Borrego (Truck Haven) this weekend. I will report back pics/video next week.
Nice - looks really clean and love seeing the LT230 still in the mix.

Like robertf said more like a cousin to Rover powerplant. Can't wait to hear how this sounds.

Very impressed so far.
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  #283  
Old March 21st, 2014, 08:36 PM
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Daddymow
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Raub A.
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Quote:
Originally Posted by don View Post
Nice - looks really clean and love seeing the LT230 still in the mix.

Like robertf said more like a cousin to Rover powerplant. Can't wait to hear how this sounds.

Very impressed so far.
X2 very nice!
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  #284  
Old March 21st, 2014, 10:47 PM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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First Drive

Well, just took it out for its' first drive. I have only one word to describe it.
Awesome

Plenty of power. (5.3L) Very smooth. You guys are going to fall in love with your rover all over again.

Unfortunately, I still have a few loose ends to take care of. You know, the new list you have to make after you get it on the road! So no trip this weekend.
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  #285  
Old March 22nd, 2014, 01:15 AM
robertf
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Robert F
1995 Discovery
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Quote:
Originally Posted by nmarkiw View Post
Yes, the truck intake (tall one) has to be turned around to clear the hood.
Do you think this would still be the case with a range rover?
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  #286  
Old March 22nd, 2014, 01:22 AM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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Quote:
Originally Posted by robertf View Post
Do you think this would still be the case with a range rover?
No. You have to use the Camaro (short one) intake for the D1 and RRC with the throttle body facing forward. (see the photo early in the thread of the D1)
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  #287  
Old March 22nd, 2014, 01:36 AM
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Sam
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When you get all the kinks ironed out I'm interested in buying a "kit" (instructions, adapter, list of items to source, etc) to do this.
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  #288  
Old March 23rd, 2014, 06:01 PM
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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Gauges

Well, the VDO tach (stock or afermarket) won't work with the Gen IV. Works with the Gen III. It needs to operate at 5v square wave. Talked to SpearTech and they say use the AutoMeter gauges. In addition, the aftermarket VDO coolant temp gauge reads incorrectly. About 8-10 degrees low. It is time to jump ship regarding VDO.

Going with the AutoMeter 2635, 2698, and 5284.
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  #289  
Old March 23rd, 2014, 06:16 PM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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On another note, I did several full power launches today. (high range on asphalt) Barking 35s through first gear really puts a gin on your face!
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  #290  
Old March 23rd, 2014, 06:28 PM
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Neill Thornton
1984 D90 300 Tdi / 1965 Series IIA
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Wow... I should have driven up for that!
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  #291  
Old March 23rd, 2014, 06:39 PM
nmarkiw
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Nicholas Markiw
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Quote:
Originally Posted by navydevildoc View Post
Wow... I should have driven up for that!
You are welcome to take it for a drive.
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  #292  
Old March 29th, 2014, 09:56 PM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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Quote:
Originally Posted by nmarkiw View Post
Well, the VDO tach (stock or afermarket) won't work with the Gen IV. Works with the Gen III. It needs to operate at 5v square wave. Talked to SpearTech and they say use the AutoMeter gauges. In addition, the aftermarket VDO coolant temp gauge reads incorrectly. About 8-10 degrees low. It is time to jump ship regarding VDO.

Going with the AutoMeter 2635, 2698, and 5284.
Tach problem solved. The MSD 8920 tach adapter converts the 0-5v to 0-12v signal to drive the VDO tach.
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  #293  
Old March 29th, 2014, 10:05 PM
JSBriggs
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Quote:
Originally Posted by nmarkiw View Post
Tach problem solved. The MSD 8920 tach adapter converts the 0-5v to 0-12v signal to drive the VDO tach.
Good to hear. Im not a big autometer fan. The bezels look out of place in everything Ive ever seen them in.

-Jeff
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  #294  
Old March 29th, 2014, 10:46 PM
nmarkiw
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Nicholas Markiw
1994 NAS D90 LS 5.3L
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Quote:
Originally Posted by JSBriggs View Post
Good to hear. Im not a big autometer fan. The bezels look out of place in everything Ive ever seen them in.

-Jeff
I don't like the looks of the Autometer either. At least the VDO Vision Black match the stock gauges.
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  #295  
Old March 30th, 2014, 10:26 PM
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Ze
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Test Drive

Went by Nick's place today and test drove his D90 with the GM GenIV.
All I can say is WOW!
Turn the volume up to watch the video. Enjoy.
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  #296  
Old March 30th, 2014, 10:38 PM
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Raub A.
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Sweet!!!!!!!!!
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  #297  
Old March 31st, 2014, 12:43 AM
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airbornrover
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William Skidmore
1994 D90
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Gave me tingles
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  #298  
Old March 31st, 2014, 03:27 PM
CDeWan
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Clay DeWan
5.3L beastie
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Nick's Gen III creation

Turning just over 1,000 RPM doing close to 60 purs like a kitten.
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  #299  
Old March 31st, 2014, 03:33 PM
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Red90
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John B.
1991 Defender 90, 200TDI
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Damn it man. Replace that fuel gauge!!
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  #300  
Old March 31st, 2014, 03:40 PM
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Phillip
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Quote:
Originally Posted by CDeWan View Post
Turning just over 1,000 RPM doing close to 60 purs like a kitten.
that just doesn't seem right
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