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2nd Update May 09
Well a lot of water has passed under the bridge since first part of this story
The cheap version in the first part of the story, using the grounding rings was a complete waste of time. It sounded feasible, but the guy that told me that he had actually done this, was talking crap.
He was gunna do it……
Anyway, cutting a long story short, another guy told us how he grafted on a V8 Chevy dissy cap, so we gave that a go. First we made an adaptor ring to fit cap and the an adaptor to mount the chevy rotor button to. It uses the Toyota crank trigger with 8 teeth removed from trigger, and this connected to a Camira or F-Body Camaro/Firebird ignition module.
The distributor cap we use is a Chevy Suburban Vortex which is a crab style cap.
This is perfect as the Toyota has the same firing order as the Chev. This means that the spark plug wires from left side of cap suit left side of engine and same for right side. Amazing…….
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Shown here is adaptor ring, rotor adaptor and Chev crab style cap.
The 4 lead posts on each side suit each bank
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Shown here is "The Project", a 1967 Mercedes "Finnie" with 1 UZ "shoe horned" in there.
This took me 3 years to get this far……
And another 2 to get it finished as shown below
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At Last…Finished and very impressive. This magnificent engine transformed this old Merc, into ultra smooth, silent engine noise, with excellent torque and power. I retained the Toyota IAC, Coolant sensor, and TPS, only adding GM MAP, IAT and o2 sensors
Ive used the Toyota Auto trans, along with the VR/VS auto style 624 computer. Scroll to bottom for more.
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Approx Cost:-
Adaptor rings $280 approx
Dissy cap and rotor $100
Spark Plug leads $400 ouch
To finish from there is the usual stuff, with fuel pump, harness, ecu, tune etc, which using a Delco is cheaper, especially if you do the harness yourself.
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We since have used adaptor rings on Mike Donn's 500hp Twin Turbo 1UZ 1972 HQ Monaro, which works perfect, drives like a dream, and relatively cheap
Actually this car drives as nice as the latest model Monaro…
This car uses the Delco 808 with manual Supra gearbox
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JE Camira ignition module shown at bottom left which is identical to TPI and TBI Chev V8 module as shown.
These are under $100 new.
The top 2 silver pins connect to pickup, the bottom 2 pin plug connects to coil, and bottom 4 pin plug to computer. Simple as that.
This is the module we use in the above setups.
The main difference being, the Toyota Crank Trigger replaces the pickup shown at left in the Chev Dissy.
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In the Mercedes above, I've used the factory Toyota trans, in which we plan to control with the Auto Delco 624 computer. At present I am controlling the trans with a "K'Dog" sequential controller which works well, but not really acceptable in the real world, meaning it is nothing like the way BMW or Mercedes do theirs.
We believe it wont be too hard to control with the Delco, as it uses a cable for line pressure etc similar to T700, so we only have to control the solenoids by the usual Throttle Position versus Speed.
Trouble is, this takes time.
At present (May 09) I have the switching adaptor designed and made, which is necessary as the 4L60e has a PSA (pressure switch assembly) in the trans which tells the PCM which gear it is in, and this is of course is actuated by the shifter, whereas with the Toyota, it has a selector switch as part of the shifter.
So I have the hard part done and have the correct signals to the PCM.
So the next part is to write/alter the software to switch the solenoids…..sounds easy hey……
Also, My Engine/trans is from a Crown, and this tranny is slightly different to the others.
The main thing is it has a Magnetic reluctor VSS built in as well as Hall Effect VSS. This is a bonus, and even though it is only a 32 teeth reluctor ring, it is easy configured to drive the Delco setup which uses 40 tooth.
This type of VSS is necessary for the accurate operation of the trans shift points etc, so this ring will have to be fabricated and probably sandwiched between drive shaft and differential.
These other model trans (Lexus/Soarer etc) have IRS, meaning they don't use a uni joint at the output shaft, rather they have a rubber setup, which makes conversions a bit tricky, but they tell me you can convert these using Hilux parts if the vehicle you are converting has conventional rear suspension (non IRS)
More to Come
BACK to Lexus page 1
Back to Kalmaker Equipped Cars
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