What if a 200tdi was our only option? - Defender Source
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  #1  
Old May 14th, 2016, 07:19 AM
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What if a 200tdi was our only option?

I'm committed to my 200 as I had two 200 trucks at one point, and now have a 200tdi 110 and a spare motor, and a turner gas flowed head sitting around.

My plan is go get my backup engine rebuilt with the turner head, and add a new/rebuilt tranny(possibly r380), transfer case (1.2).
As a bit of a self proclaimed poser, I'm mostly concerned with road manners, open road, not mall parking lots.

My question is 2 part,

what else would be a good upgrade for a 200?



Is it worth shipping the engine to a rover specialist, or just have it re-built locally?
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  #2  
Old May 14th, 2016, 09:07 AM
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When I did my rebuild I did it at home. The hardest part was finding someone to do the line boring for the new cam bearing shells. I think they make them in sizes now.

I ended up putting In a knockoff allisport full width intercooler, boost pin and adjusted timing and fueling at the pump. Using a 1.2 disco case and 33in tall tires the only place I have issues is long long steep uphill grades and when towing more than 8000lbs.

I have minimal visible smoke except on startup. After the gauge install I'll probably go a bit hotter. It's be nice too find someone who can tune my pump lift with a dial gauge.

I'll be adding a boost gauge and egt later this year when I redo the cluster. I'm on the lookout for a turbo exhaust snail side as mine has a Crack under the waste gate valve from Aaron Richardet tuning the pump waaaaay hot on a 1.6tcase


How much did that Turner head run you?
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  #3  
Old May 14th, 2016, 09:07 AM
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Good question. I would think the following would help. 1 bore it out to a larger cylinder. 2 larger intercooler. 3 different turbo, hybrid or vnt or twin. 4 larger exhaust 5 balance the rotating assembly 6 the most important, proper tuning. IP and timing.

I forgot one. Larger injectors.
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Old May 14th, 2016, 09:28 AM
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I got the head on here for $1200

I don't think turner has them at the moment
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Old May 14th, 2016, 09:30 AM
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Quote:
Originally Posted by solarguy View Post
Good question. I would think the following would help. 1 bore it out to a larger cylinder. 2 larger intercooler. 3 different turbo, hybrid or vnt or twin. 4 larger exhaust 5 balance the rotating assembly 6 the most important, proper tuning. IP and timing.

I forgot one. Larger injectors.
Also it seems that alot of people are using 300tdi pistons for better econ/power
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Old May 16th, 2016, 02:05 AM
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Quote:
Originally Posted by Naplm00 View Post
Also it seems that alot of people are using 300tdi pistons for better econ/power
Really? Is it as simple as just replacing the pistons? Or is it more entailed?
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Old May 16th, 2016, 07:19 AM
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  #8  
Old May 16th, 2016, 08:29 AM
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Quote:
Originally Posted by smenzel View Post
Really? Is it as simple as just replacing the pistons? Or is it more entailed?
I never read into it.
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  #9  
Old May 16th, 2016, 08:39 AM
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Quote:
Originally Posted by Naplm00 View Post
Also it seems that alot of people are using 300tdi pistons for better econ/power
??? Power and economy would not change. They have a slightly different combustion chamber location to match the different injector position. Other than that, it is the same engine.
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  #10  
Old May 16th, 2016, 08:47 AM
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Quote:
Originally Posted by Red90 View Post
??? Power and economy would not change. They have a slightly different combustion chamber location to match the different injector position. Other than that, it is the same engine.
Like I said above, I didn't read into it. I read in a few places that people were using 300tdi pistons for better econ/power.


Who knows,maybe they had a really tired engine before the rebuild? Maybe the change is piston shape improved mixture burning? Maybe it's bullshit? Maybe the 300tdi pistons are cheaper?

Ymmv



Edit: did five seconds of research. Looks like people are using 300tdi pistons and a 300tdi head on 200tdi blocks due to availability and price. They are reporting better power from they Hybrid engine.
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  #11  
Old May 16th, 2016, 09:03 AM
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I would think that the increased power and economy are simply due to fresh components as there is virtually nothing to be gained there. The engines run similar compression ratio's and as John said aside from a slightly different injector angle are the same. The two put out pretty much the same power numbers stock.
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