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  #1  
Old November 15th, 2008, 10:50 AM
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Philip Marshall
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Smile Engine Swap?

I have read a TON of stuff online here about engine swaps, but I am having a hard time putting together what exactly is available out there for my 94 d90????

I know about the TDi, but can you get other engines as well? I have heard you can put a chevy 350 in there? I just want to know what is available out there for engine swaps..

thanks everyone for all your replies!
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  #2  
Old November 15th, 2008, 11:12 AM
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Trevor K
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Quote:
Originally Posted by TravelerBT
I have read a TON of stuff online here about engine swaps, but I am having a hard time putting together what exactly is available out there for my 94 d90????

I know about the TDi, but can you get other engines as well? I have heard you can put a chevy 350 in there? I just want to know what is available out there for engine swaps..

thanks everyone for all your replies!
watch out you might anger the grumpy rover gods, its is evil to talk about any swap unless it is a diesel... or another rover engine.
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  #3  
Old November 15th, 2008, 11:37 AM
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sorry rover gods... I will sacrifice a 100 AMC Scouts to appease them...

Follow-up Post:

replace the original motor with a 4.6 ltr motor? Anyone done this?
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  #4  
Old November 15th, 2008, 12:24 PM
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Charles Galpin
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What are you trying to achieve? Might help guide your decision making.
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  #5  
Old November 15th, 2008, 03:14 PM
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Scott
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The Rover V8 is derived from the Buick Engine, so a Chevy 350 is still a 2nd cousin.
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  #6  
Old November 15th, 2008, 05:32 PM
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I just want more power for everyday driving... really that is all I am looking to get ...
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  #7  
Old November 15th, 2008, 05:45 PM
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Regearing would do that for tons cheaper.
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  #8  
Old November 15th, 2008, 06:13 PM
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Quote:
Originally Posted by KevinNY
Regearing would do that for tons cheaper.
I have 4.11's and the NRP exhaust and my truck gets up and moves pretty well. You could probably add a cam, headers and a few other things to get pretty good performance.
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  #9  
Old November 15th, 2008, 09:49 PM
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pardon my being in the dark, but what are 4.11's?

Would replacing the headers with aftermarket performance headers also produce a boost in power?
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  #10  
Old November 16th, 2008, 12:18 AM
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Trevor K
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Quote:
Originally Posted by TravelerBT
pardon my being in the dark, but what are 4.11's?

Would replacing the headers with aftermarket performance headers also produce a boost in power?
changing the axle gear ratio, from stock, this will result in lower cruising speeds. or forcing you to run the engine at a higher rpm to attain the same speed...

it's a cheap fix that does not address the real problem of lack of power...
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  #11  
Old November 16th, 2008, 09:28 AM
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Quote:
Originally Posted by tkavan01
changing the axle gear ratio, from stock, this will result in lower cruising speeds. or forcing you to run the engine at a higher rpm to attain the same speed...

it's a cheap fix that does not address the real problem of lack of power...
I disagree. It may not result in more horse power, but it certainly helps with drivability and truck is much quicker. My ST will run circles around my SW, with the stock gearing. I have much more acceleration and the ability to pass other cars on the road.
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  #12  
Old November 17th, 2008, 10:33 PM
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So what I am hearing here is that with a gear ratio change, you get better acceleration, but top speed goes down. right?
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  #13  
Old November 18th, 2008, 12:58 AM
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Correct.
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  #14  
Old November 18th, 2008, 01:07 AM
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4.6 and a blower would do well.

Ron
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  #15  
Old November 18th, 2008, 12:57 PM
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4.6 with a blower... what kind of power would that produce?
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  #16  
Old November 18th, 2008, 04:20 PM
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Ron... where can I get said blower for the 4.6?

I guess since the top is the same between the 3.9/4.0/4.6 it should bolt right on, eh?
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  #17  
Old November 18th, 2008, 04:55 PM
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pardon me for being dumb here, but what exactly does a blower do? And what kind of increase in power would you be looking at?

Would you need to install a hood scoop for the blower?
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  #18  
Old November 18th, 2008, 05:22 PM
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Keith Kreutzer
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The proverbial Pandoras' Box of a question.

To answer the original question, what is available for the 94 D90 relative to engine swaps. for more get up and go.

The answer is another Rover motor (bigger) a 4.6. In some cases this will cause troubles from the start with overheating problems that will need to be addressed like a bigger radiator. Lots more power and probably makes the car feel the way it would at Sea Level

Next is a Diesel. Being in Denver you have to deal with Emissions testing, the Diesel won't fly unless you plan very well and make a good case with the State Board of health (they run the emissions program) Not as much power but it's diesel power, torque down low in the rpm range.

What isn't available

Everything else..

It would need to be a Custom installation Ford Dodge Chevy they can all fit it's just a boat load of engineering. This all = a boatload of $$$

Gears.. Putting lower ratio gears in the Axles or in the transfer case will make the engine rev faster at any given speed. In many cases with a Gasoline engine this can put the engine in a more desirable RPM range for power, but be prepared for the engine to run out of power at higher speeds on the highway (but who really goes 90 in a 90?)

Headers, okay, Performance exhaust, okay all these little things will help a little bit. but the Rover motor suffers from bad throughput, you just can't get enough ait into it to make it go much better.

Call Rob Dassler at Southwest Rovers and order up a set of his big valve heads, then do a high performance exhaust, fancy air cleaner. Headers..
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  #19  
Old November 18th, 2008, 05:25 PM
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Charles Galpin
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You guys and your motors. I'll throw out another option. Accept it's not a sports car and drive the thing as-is!

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  #20  
Old November 18th, 2008, 06:14 PM
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Clay DeWan
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O.K 2 cents from the peanut gallery. If power is what you are looking for then you may want to try what I did on my 94 -
0. Advance the timing it will cost you nothing (3-5 degrees)
1. start with headman headers from summit - $170 bucks and get them ceramic coated.
2. Remove the plennum and go with shorter flutes in the stack to increase air flow to the engine
3. Consider going with a 4.2 ECU
4. Go with an colder air intake (yes you guys can snicker at my chop job but I can send pictures)
5. Consider going with a Mallory Unilite or a HyFire 6 (this is an easier swap)

so all told with the above you get to keep your engine and lets see
$170 headers, $100 on the shorter flutes, $50 on the K&N and 200 on the Hyfire 6. Parts - $520.
The Unilite will cost you more approximately $400?
Next you may have to add labor for T'ing into your old Y Pipe and not sure how much ceramic coating of the headers go for.
All of these things can be done in without having the truck down for more than a day exhaust work.
My Soft top has close to 300K on it and has plenty of power. I started with a stock a 94 and definitely have picked up some ponies .
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