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[Kevin Wood]

Thats less bhp than a stock 3.0 isn't it

Yep, just shifted it down in revs a little and beefed up the midrange torque. 0.25 BAR isn't going to set the world alight.

[Webby the Bear]

So then guys, turob charging a NA vx V6 is a no go!!!!!

If i considered fitting A N Other turbo charged lump in to the miggy i presume i'd only have to worry about the ECU / wiring and engine mounting, intercooler mounting etc etc? Any other considerations when fitting a turbo lump?

[humbucker]

So then guys, turob charging a NA vx V6 is a no go!!!!!

If i considered fitting A N Other turbo charged lump in to the miggy i presume i'd only have to worry about the ECU / wiring and engine mounting, intercooler mounting etc etc? Any other considerations when fitting a turbo lump?

Depends on the engine you choose tbh. You might have bulkhead clearance issues with oe equipment in the way, transmission coupling, you'll need manifolds, boost pipework, loads of stuff. Oh, and a willingness to shell out for all of the above. What engine did you have in mind?

You could fit C20LET pistons to an X30XE as a starting point if you are determined to turbo the V6. It has been done before...

[cem_devecioglu]

So then guys, turob charging a NA vx V6 is a no go!!!!!

If i considered fitting A N Other turbo charged lump in to the miggy i presume i'd only have to worry about the ECU / wiring and engine mounting, intercooler mounting etc etc? Any other considerations when fitting a turbo lump?

Webby you can turbo the V6 but the cost will be fairly high, work very time consuming and I really doubt you can take your money back when you sell it..


on the other hand you can buy any turbo or powerful car for a "logical" price and at least you can take some of your money back when you sell it..


if you can install a ready turbo lump within 1-2 grand of total cost this may be considered logical..  but if you start to buy pieces one by one, this would would end up really expensive


so decision is yours

[aaronjb]

If you're doing an engine swap "properly" then you probably want to:

Rip out the engine, engine loom etc
Swap out the fuel pump for an uprated item; Walbro 255lph is a popular choice although depending on target power you might have to go bigger
Fabricate your engine mounts, fabricate adapter plate to your desired gearbox and/or swap gearbox and fabricate the mounts
Drop the engine in
Drop in a new ECU with wiring loom, figure out how to 'piggyback' the relevant signals into/out of the original ECU to drive the clocks etc
Enjoy


Sounds so simple, doesn't it

Once upon a time it was a lot easier - no electronic clocks to worry about, no ABS, no TC etc.. All of these things are driven from or feed signals to the ECU now, however, and the hard part is making sure you can make your aftermarket ECU talk the right way to all the ancillaries, assuming you want to keep them.

The actual swap & fab work is still the same as it was 20 years ago, so that's pretty well understood

[cem_devecioglu]

and a important note check the prices and installation of custom ecu's like megasquirt, vipec, aem etc..


programming them requires dyno sessions which are also costly

[humbucker]

Any engine swap will present you with common challenges, but the only way to know what you're up against is to decide on the engine that you want to fit and work out what the obstacles associated with that particular powerplant are going to be.

[Webby the Bear]

Thanks guys.

i'll 'ave a look for some turbo charged units and come back on here with some ideas.

aaron, thanks for that detailed input. fabricationg engine mounts shouldnt be an issue as i imagine i can simply buy the ones made for that engine and find a way to weld them on to the miggy chassis rail (or wherever they live)

as for gearbox mounts... do you mean the mounts that actually support the turbo?

[Kevin Wood]

programming them requires dyno sessions which are also costly

Not necessarily.  I tuned my Megasquirt on the road with a wideband lambda sensor.

The advantage of this approach is that you learn an awful lot about what makes an engine work.

[aaronjb]

as for gearbox mounts... do you mean the mounts that actually support the turbo?

No I mean the mounts that hold the gearbox to the car There's one at the tail end of the gearbox .. unless you're using the same gearbox or you're really, really lucky, a replacement engine & box combination might not line up.

The only things supporting the turbo are (usually) the exhaust manifolds Although if you're using tubular manifolds some kind of bracing is useful otherwise the manifolds usually meet an early demise due to cracks at the welds (been there, done that, got that t-shirt!)


Oh and as Kev says, I mapped the MR2 on the road with a wideband and Mk1 Ear.. there was room for improvement on a dyno with a skilled mapper, but it wasn't bad considering it was my first time (fnarr fnarr!)

[05omegav6]

Most turbocharged vauxhall engines should bolt to the Omega manual box, as the four pot turbos are physically variations of the 2.0/2.2 Omega lump

Don't even consider an auto as even the AR35 will probably shit a brick in fairly short order...

[andyc]

Fit a Lotus Carlton Engine and Box, 377BHP, 180mph or more and six speed box. The Omega was based on the same floor pan as the Carlton

Andy

[Webby the Bear]

Has to be auto i'm afraid Al 

[Webby the Bear]

am i right in thinking there are some bmw boxes that suffice?

[cem_devecioglu]

programming them requires dyno sessions which are also costly

Not necessarily.  I tuned my Megasquirt on the road with a wideband lambda sensor.

The advantage of this approach is that you learn an awful lot about what makes an engine work.

first, you have Kevin Wood handy


second, most tuners prefer initial session on the dyno for the car to run because tuners prefer biggest injectors possible which requires creating a map from scratch    after the car reaches "normal" working state , fine tuning done on the road