Esprit ENGINE TRANSPLANTS? - Page 3 - LotusTalk - The Lotus Cars Community
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post #41 of 181 (permalink) Old 11-11-2011, 07:29 PM
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I have a buddy that has a 1995 Supra TT that Powerhouse engineering built that put down 1197 whp on a mustang dyno, and he also has a 1996 Skyline GTR R32 with the RB26 punched out to 3.0 liters, that put down 1313 whp also on a mustang dyno! Each of them alone is bad ass enough! Both make well over 1500 BHP! YIKES!
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post #42 of 181 (permalink) Old 11-11-2011, 10:31 PM
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One engine I been checking out lately is the new 5.0L "Coyote" V8 in the 2011 Mustangs. Its a pretty modern engine for America. 4 Valve per cylinder, Dual Over Head cams, variable camshafts, 11:1 compression ratio, 7000 RPM redline. Puppy dyno's at nearly 400HP to the wheels in stock config. Thats a fine engine and America should be proud of it.

You can buy the brand new crate engine at a descent price. Plus Ford sells a complete ECU and harness loom that even has the OBD port. Which makes transplants much easier.




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post #43 of 181 (permalink) Old 11-12-2011, 03:23 AM
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I thought Cayote engine is only available in Canada?
I know you can buy them in crate.


Art---inline engine are getting rare. I like 6 inline, they are indestructible, less vibration & well balance due to inline design (i'm old school).
They take a lot of space though.

Last edited by s2kseven; 11-12-2011 at 03:39 AM.
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post #44 of 181 (permalink) Old 11-12-2011, 11:48 AM
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Yeah, that's the main disadvantage to the inline 6! Length. Inherently balanced from the config is a nice added plus! Someday I will have an old 240Z and put a nice clean RB25 in it! Some day! As for the mustang V8, sure it's a fantastic engine, makes nearly 500hp at the crank, but it's a 90 degree V8, way too wide to fit comfortably in our engine compartments with twin turbos as would be my stipulation to taking the time to transplant a V8 into mine! Or just get a V8! Stick with the exotic engine that belongs! There is nothing exotic about any mustang! Not even a shelby! I see mustangs every minute of every day. I have seen another Esprit only within the last 2 months....That's rare, and that's what I love about my Esprit! Hell, I see more Gallardo's and Diablo's here in KC than I do Esprits! Keep your Mustang engine right where it belongs in ANOTHER mustang!
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post #45 of 181 (permalink) Old 11-13-2011, 08:08 AM
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I have a 1985 Jaguar XJS with a 4.0L 4 valve per cylinder straight six engine from a 1995-1996 XJ6 mated to the original 5spd Getrag trans. It does not have 300 - 400 horsepower but it still is quite enjoyable to drive. I have driven it from Phoenix AZ to Olympia WA and back twice now and it makes the trip interesting. Particularly through Willamette National Forest in Oregon and Modoc National Forest in California.
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post #46 of 181 (permalink) Old 11-14-2011, 02:14 PM
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Replace the engine and it is NOT a Lotus anymore.
Michael
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post #47 of 181 (permalink) Old 11-14-2011, 02:41 PM
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Replace the engine and it is NOT a Lotus anymore.
Michael
So the Elise and Exige a rice Lotus?
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post #48 of 181 (permalink) Old 11-19-2011, 03:01 PM
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Took me so long to figured out which engine to transplant
to a lotus bay...I'm leaning with this one.
99 Ferrari 550 F550 V12 engine motor 9K miles | eBay
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post #49 of 181 (permalink) Old 11-19-2011, 06:47 PM
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Replace the engine and it is NOT a Lotus anymore.
Michael
True that!
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post #50 of 181 (permalink) Old 11-20-2011, 08:07 AM
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Quote:
Originally Posted by s2kseven View Post
Took me so long to figured out which engine to transplant
to a lotus bay...I'm leaning with this one.
99 Ferrari 550 F550 V12 engine motor 9K miles | eBay
I'm not trying to flame you, but this idea is the worst of both worlds. Ferrari maintenance scheduled & costs without actually having any Ferrari brand cache.

I've never checked the dimensional possibility, but my vote is the V10 out of the recently retired BMW M5/M6 attached to a Porsche transaxle. Mmmmmmmm . . . stonking power, reliability and a mainstream maintenance schedule.

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post #51 of 181 (permalink) Old 11-20-2011, 10:15 AM
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I'm not trying to flame you, but this idea is the worst of both worlds. Ferrari maintenance scheduled & costs without actually having any Ferrari brand cache.

I've never checked the dimensional possibility, but my vote is the V10 out of the recently retired BMW M5/M6 attached to a Porsche transaxle. Mmmmmmmm . . . stonking power, reliability and a mainstream maintenance schedule.
Hey, its not gonna fit... the v12 is one mile long...just for laugh
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post #52 of 181 (permalink) Old 11-20-2011, 10:42 AM
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Replace the engine and it is NOT a Lotus anymore.
Michael
+1
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post #53 of 181 (permalink) Old 11-20-2011, 11:42 AM
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I would only want some lightweight 8,10 or 12-cylinder, it just wouldn't make any sense to put another 4 or 6 cylinder in one because the 910 is a pretty stout engine, it just has real limitations on the ECU side and an ancient technology turbo. Nobody burns chips anymore.
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post #54 of 181 (permalink) Old 12-18-2011, 01:31 AM
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I looked long and hard at the transplant option IHMO it comes down to the cost of the
G50 transaxel and the half shafts are the cost hinderence est to be $8k to get it set up right then any reliable V8 engine can be made to work for 3K more...at 11k just hard to justify...
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post #55 of 181 (permalink) Old 12-18-2011, 07:15 AM
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Quote:
Originally Posted by shill68 View Post
I would only want some lightweight 8,10 or 12-cylinder, it just wouldn't make any sense to put another 4 or 6 cylinder in one because the 910 is a pretty stout engine, it just has real limitations on the ECU side and an ancient technology turbo. Nobody burns chips anymore.
So you would consider changing the engine but you wouldn't change the ECU and turbo on the original engine??? Changing to an aftermarket ECU and upgrading the turbo is WORLDS easier than swapping to a different engine.

Besides which I am pretty sure there are still people burning memcals.
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post #56 of 181 (permalink) Old 12-21-2011, 02:49 PM
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So you would consider changing the engine but you wouldn't change the ECU and turbo on the original engine??? Changing to an aftermarket ECU and upgrading the turbo is WORLDS easier than swapping to a different engine.

Besides which I am pretty sure there are still people burning memcals.
No, I was saying the the factory motor is a stout piece, and would really be a nice piece with a better ECU and turbo. I'm not sure the route I'll be going with mine, but if I keep it, I'll be improving those two things.
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post #57 of 181 (permalink) Old 12-21-2011, 07:27 PM Thread Starter
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OMEX

May be you should consider installing Omex engine management system?
It works well w/ 2.2L engine.

http://www.northamptonmotorsport.com/default.asp?id=93
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Last edited by MRDANGERUS; 12-21-2011 at 07:35 PM.
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post #58 of 181 (permalink) Old 02-07-2012, 07:33 PM Thread Starter
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post #59 of 181 (permalink) Old 02-07-2012, 08:43 PM
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32 valve Northstar in this 1978 Esprit looks awesome
Great pictures, beautiful engines. I believe the Northstar engine was an evolution of the LT5 base that Lotus worked on for GM. I'm not sure if they worked on the Northstar too... have to check that out.
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post #60 of 181 (permalink) Old 02-11-2012, 06:01 PM
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Nice looking install

Got any pics/details on the rest of that car?

It was never publically acknowledged by Lotus that the Northstar/Aurora family of engines were designed by Lotus Engineering, but I believe they were at some point definately involved with that powertrain project .

The Northstar shares no parts with the LT5 though.

The Toyota/Lexus 1UZFE 4.0 V8 engine would also make a nice engine swap candidate on an Esprit, Lotus originally designed that engine for Toyota for use an stillbourne Indy Car project, and it was modified/adapted for use for the road cars.

The engine is similar to the Northstar(all aluminium,4 cam 32 valve, starter mounted under the intake) , except it has belt driven camshafts like a 918 Lotus.

Last edited by WayneB; 02-11-2012 at 06:12 PM.
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