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16-04-2007, 03:33 PM | #1 |
Driving a faster car now!
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It's alive!
B3Motorsports completes our first total engine conversion.
From mild mannered SOHC NA Carby motor, to duel overhead cam EFI turbo. Donor engine is a Mitsubishi 4G63T from a Mitsubishi Gallant VR4 turbo. We dropped these 4 cylinders of fury into a 1992 Mitsubishi L300 Express Van. With very minimal details on the swap available – as you can imagine it is not overly common – we are very pleased that we completed this conversion in good time, and on budget. This is one of only a handful of cars to have this swap completed in Australia! Particulars are as follows: Powerplant Mitsubishi 4G63T Intake B3Motorsports custom hard pipe and stealth front mount intercooler kit, with plumb back blow off valve Exhaust Full custom B3Motorsports turbo back exhaust system, with double dump pipe, 3inch exhaust splitting to 2x 2.25in axle back pipes, each sporting twin chrome tips Engine Management Microtech LT10S with Microdash display Drivetrain Exedy 5 puck button clutch Car has yet to see a dyno but we are confident of easily exceeding 200 wheel horsepower on standard boost; an impressive gain from the 55 wheel horsepower the car pulled before the conversion, and should see this sleeper into the 13 second zone on the quarter mile. Swap is completely street legal! Pictures and video to come |
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16-04-2007, 03:45 PM | #2 |
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Aka purpose built WRX/Falcadore killer.
Only in a straight line...it was a coffin on wheels around corners before we did the swap |
16-04-2007, 03:54 PM | #3 |
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How can there be very minimal details if B3M did the swap? But damn thats alot of powah for a van!
Ryan |
16-04-2007, 04:06 PM | #4 | |
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Main issue came down to the fact that the van the motor was going into was sort of "between" the SH and SJ models... basically we expected it to be a SH (thats what it says on the compliance plate), but it was sort of a bastardisation of an SH and SJ, which caused a few headaches, swear words, and throwing tools around the workshop. Before we even started the swap we knew the 4G63T back to front, plenty of detail on that, but no detail what so ever on the van (who modifies a van??)! so we went in reasonably blind to the drivetrain issues, but in the end had very little trouble working it out. Gearbox and diff are surprisingly strong (upgrades for the starion guys who routinely use L300 boxes and diffs in their conversions...so we didn't have to worry about some sort of exotic gearbox setup) - nice to work on a car for a change where we don't have to worry about the gearbox being a complete grenade....looking at you mazda! Yeah, the modifications that were extensive, the list provided is a very simple overview - but basically we've played around with everything that was bolted to the engine, customized a stack of stuff, and spent hours fabricating everything from pipe work to brackets of all shapes and sizes. Yeah its a hell of alot of power for the van - EBC is next, once we brace the open space in the back of the van (strong chassis rails, but body twists due to massive open space, think BJ astina on steriods) - so we're putting cross members and so on before we chase more power - the motor is good for 400hp+ on stock internals, and stock turbo has been pushed past 16psi (no idea how efficient it is up there). The guy who owns the van is also considering a ford 9in limited slip diff, custom drive shaft and a few other bits and pieces to help keep all that power firmly planted on the bitumen. Last edited by LordWorm; 16-04-2007 at 04:16 PM. |
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16-04-2007, 04:51 PM | #5 |
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Well, I might have to come and check the van out on wednesday night and watch the Spectre Of Darkness!
What plumback did you guys go with? I'm changing over to a larger 25mm in/out Bosch unit with larger piping so I don't have to listen to my moose moans from the curent plumback... Keep it at 200whp for as long as you can so I have a chance against him! Gav. |
16-04-2007, 05:15 PM | #6 |
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If it's the same gearbox as a Starion, the keep power under 300HP/225kW as then you WILL start killing gearboxes. The current starion in the workshop with a EVO 3 motor in it is being mated with a S4/S5 RX7 gearbox (with sequential shifter) to handle the extra power. And of course to shift quicker.
Starion LSDs should fit straight into the van's axle but they are rare as. Finding a DoDo bird would be easier. Ryan |
16-04-2007, 10:19 PM | #7 |
Driving a faster car now!
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nah it's an upgrade for the starion
starion lsd's are as rare as, but 4wd express ones arent plumb back - it's a brisbane made jobbie, not sure on the size |
16-04-2007, 10:30 PM | #8 |
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Brisbane made plumback, WTF???
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16-04-2007, 11:11 PM | #9 | |
Nate Dog
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17-04-2007, 09:01 AM | #10 | |
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Theres a few LSD options, 4wd express, modified scorpion diff and a few others....but ford 9in with decent axles will make the driveline nigh on indestructable for what it is going to be doing. Good lil car, can't wait to take it for a splat around the northside tonight! |
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20-04-2007, 09:49 AM | #11 |
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couple of days late, but we finally got it on the road last night...
its a weapon.... the power on tap is just insane - feels like a completely different car (as it should). twiggy can fill in some more details - but holy sh!t...never thought the fastest car i've ever driven would turn out to be a mitsu commercial van |
20-04-2007, 11:05 AM | #12 |
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Was this the thing built using the collective wisdom of PerformanceForums?
A.
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20-04-2007, 11:35 AM | #13 | |
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i'd say about 90% of the swap has been worked out by ourselves as we went along, with the other 10% coming from other sources (largely performance forums). Very different swap to the one done on the performance forums, we had an older body to work with which meant more mods to get the engine to fit, and due to budget restraints of the guy who actually owns the van, we had to do things a little differently (for example: rather than doing a new plennum on the IM to put the TB towards the front of the engine, we had to run a pipe over the fuel rail with a very tight 180degree to get it back onto the tb at the back of the engine). Also the engine was different to the evo engine to begin with - not by much, but by enough to cause its share of headaches. |
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20-04-2007, 03:55 PM | #14 |
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There is one in canberra with that swap along with a toyota with a 350 chev in it... I thought swaps like this were common.
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20-04-2007, 05:08 PM | #15 |
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the swap isn't that common, turbo charging the existing motor is fairly common (place in sydney does it for tradies mostly - L300 is pretty gutless, add a stack of tools to the back and you've got a recipe for apprentice getting out and pushing to help it up hills.). I know of a V8 into L300 with nitrous conversion, but the vr4/evo swap isn't that common - and certainly nowhere near as common as BPT into BG or BA etc, and definantly not "the done thing" in qld...........
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22-04-2007, 08:09 PM | #16 |
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Come on boys, where are the pics!!!
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23-04-2007, 08:51 AM | #17 | ||
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guys - please do some research as you are going to be spending alot doing this, as some info is incorrect. save some money and get some proper advice. ryan |
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23-04-2007, 09:14 AM | #18 | |
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express 4wd, modified scorpion diff, and others have been used on several L300 projects. However, we will likely be going a ford 9in, custom rear axle, custom tail shaft etc. |
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23-04-2007, 09:17 AM | #19 |
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oops my bad on the diff - i thought some one said a L300 diff would fit a starion, and vise versa.
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23-04-2007, 10:07 AM | #20 | |
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4wd L300 LSD into rwd L300. are you sure about the L300 gearbox too matie? We've had several (not just 1 or 2) people inform us that the L300 box is significantly stronger than the starion box - and not just people mouthing off it seems, people making quite a fair bit of power.... Obviously we've had the box off - and purely on a visual inspection (i know thats not going to tell us much about whats going on when the box is under load etc) it seems pretty tough - lots of webbing and reinforcing - race angle on the gears is quite severe (almost straight cut) and bell housing and the box itself are quite thick. So I don't think the casing or gears themselves are weak links - where abouts are they prone to breakage? perhaps theres some obvious gearbox upgrades we havn't investigated yet. Customer is pretty happy with the van at the moment (but he left the interior light on all weekend and now can't take it to work today to show his mates...hahaha) - tune is still a little "doughy" due to being tuned on the very safe side of rich - we should have it all set to go nuts at jamboree though |
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