Popular Post Transom Posted June 11, 2016 Popular Post Share Posted June 11, 2016 So heres my current project 1989 Eunos roadster import - 1st year model manual windows no frills not quite oldschool Bought as a winter alternative to motorcycle - like the handling and the fit but not the lack of power in top gear or for passing Looked at lots of red ones went yeah/nah and then this popped up local and cheap Did the usual stuff to it - new soft top - better shocks lower springs new discs and pads some JDM mazdaspeed Rays wheels and scored a hardtop and some nice old made in nz autosport fixed back bucket seats So the plan is underway - 1600 motor out - 2.0 quadcam KFZE v6 from a mazda cronos 626 in slowly Plenty of these have been done worldwide and all end up being a bit different Mazda v6 onto 12mm adaptor plate onto series 1 rx7 bellhousing onto mx5 box centre and tailhousing - retains the PPF gearbox mount 626/v6 /mx5 clutch are same size splines and even pressure plate so thats easy 626 clutch fork and release bearing fits into the rx7 bell and seems to line up right Mocked up with plywood adaptor template and slung into the hole for a look at clearance Everything stock on the v6 for is for fwd only so needs chopped or thrown away for rwd setup Distributor = no way is there room back there Inlet manifold - tricky i was thinking chop back the rocker cover and mount it facing forward like the pic but its gonna be poking thru the bonnet so custom intake is looking like the way Big list of other stuff to figure out is Spacer the front subframe down off the body for sump/steering rack clearance Build a sump and oil pickup Exhaust - ebay headers then chop hell out of them to fit rwd Engine management - EMS stinger v4= hope they are not crap and will do what i need Engine mounts - mx5 lowers onto custom plates to engines - bolts holes everywhere on the block Coolant reroute Alloy radiator and mounts to suit the coolant hoses A/C = gone = easy Steering rack = depowered Driveshaft hoop needed for lvv So not quite oldschool - people either love mx5s or hate them I have read almost every interweb site relating to this swap or the mx5 or v6/mazda/ford probe/telstar/323 a few times And been picking alex Yoeddys brain for v6 swap info Not looking for crazy power but the stock v6 160hp/160lb will make the little thing fly Any discussion advice crap or otherwise welcomed Hi im Steve and this is my car build thread ... 24 Quote Link to comment Share on other sites More sharing options...
Furai Posted June 18, 2016 Share Posted June 18, 2016 Wicked idea, cant wait to see how it goes Quote Link to comment Share on other sites More sharing options...
maxted Posted June 18, 2016 Share Posted June 18, 2016 looks like a nice fit Steve, whats the plan with ditching dizzy? make a cas and coil on plug? Quote Link to comment Share on other sites More sharing options...
Transom Posted June 18, 2016 Author Share Posted June 18, 2016 Now I know for sure the dizzy won't fit it's gonna be full standalone Later model 626 has 36-1 trigger wheel front pulley Get to ditch the maf too and just run crank trigger tps and map sensor Spent half the day marking drilling and cutting excess off the 12mm steel adaptor plate the local engineers roughcut for me cheap 4kg untrimmed prob get it down to 2kg by the time it's finished Lost so much weight off the car by removing AC and power steer Steel worked out cheaper easier and stronger for the threads I need to tap into it Crap photos of progress sometime soon 1 Quote Link to comment Share on other sites More sharing options...
Transom Posted June 19, 2016 Author Share Posted June 19, 2016 Much cutting grinding hacksawing grinding and drilling and tapping later 12mm holes thru to block need countersunk for flat countersunk allen screws - one main bolt shown goes right thru bellhousing to block - that and the input shaft into spigot what i have lined it all up on Threads tapped 10mm for bellhousing to adaptor bolts - still needs more trimmed off this side - hole visible was a tester for drill and tap sizing 2 Quote Link to comment Share on other sites More sharing options...
flyingbrick Posted June 19, 2016 Share Posted June 19, 2016 I'm curious as to how you ensured correct location of the motor in relation to the box? Cool project! Quote Link to comment Share on other sites More sharing options...
Transom Posted June 19, 2016 Author Share Posted June 19, 2016 Eyeometry and sheer luck mostly Motor sitting on it's nose so no load any direction Rx7 bell is shorter than mx5 so the input shaft pokes out about 12mm Already knew one bolt hole lined up to the motor from yoeddys viva build So drop box onto adaptor and into spigot drop bolt in - wiggle the box so there is no side loading - check input shaft turns freely Clamp down mark and drill other bell housing bolt holes Adaptor plate sits over motor dowels Have a couple of blind holes in bell so I will add dowels to adaptor too Backwoods bastard bodging really but workin with what I have access to here in the Styx 7 Quote Link to comment Share on other sites More sharing options...
maxted Posted June 21, 2016 Share Posted June 21, 2016 awesome progress adaptor looks good, that spigot bearing looks to have seen better days haha Quote Link to comment Share on other sites More sharing options...
Transom Posted June 21, 2016 Author Share Posted June 21, 2016 Yup spigot bearing is farked but still turns and Whole clutch kit is on the way so I can get that buttoned up and start on engine mounts and chopping up the sump Intake manifold ideas are now making my head hurt Quote Link to comment Share on other sites More sharing options...
Transom Posted July 17, 2016 Author Share Posted July 17, 2016 Slow progress Picked up another v6 cheap for bits looks clean has plenty of parts for spares as i experiment with bodging Visited Alex and Hannah and looked at their awesome shed and mighty v6 viva for inspiration Countersunk the holes for adaptor to engine bolts csk allen screws in m12x1.5 are not cheap Shoulda not drilled the 2 bottom holes so much and tapped them for for stock bolts thru from the front woulda saved $ Cheap tardme countersink bits were great cut mild steel so clean and easy cut a slice off the starter motor mounting to get it to match up to flywheel - dont grind alloy at home kids its dangerous ended up being a nogo on using rx7 starter - pinion way too small to match up so its steel plate for here and use the v6 starter even bought a new rx7 starter too keen ... 1 step forward 2 steps back started looking at hose routing lost most of the ugly mass of hoses off the v6 lower rad hose routes to rear of block in the valley flipped the thermostat housing to route heater hoses towards car heater and lower rad hose to drivers side where mx5 rad inlet is removed a big ugly hose tee and blocked it with a frost plug 1 Quote Link to comment Share on other sites More sharing options...
Transom Posted July 17, 2016 Author Share Posted July 17, 2016 And dropped back into engine bay to check measure clearances etc [/url] next missions are plate adaptor for starter motor engine mounts sump chop new clutch ... 7 Quote Link to comment Share on other sites More sharing options...
Popular Post Transom Posted August 7, 2016 Author Popular Post Share Posted August 7, 2016 Scored a set and a 1/2 of ITBs from BMW K100 4 cylinder motorbike They run the injector direct into the head separate from the throttle body so are pretty much just butterflys in a throat and used on K75 3 cylinder so very modular design Also very short height so that will help with bonnet clearance issues Plan is to use the stock V6 manifold cut down with the stock injector ports injectors and fuel rails and add some alloy tube to mount the ITBs with silicon joiners 12 Quote Link to comment Share on other sites More sharing options...
yoeddynz Posted August 7, 2016 Share Posted August 7, 2016 These look like a much easier way about it than the usual Triumph speed triple TBs used by others. I'm watching this with interest! Its gonna sound great!!!!! Quote Link to comment Share on other sites More sharing options...
Transom Posted August 21, 2016 Author Share Posted August 21, 2016 More slow slow progress Trimmed the adaptor plate down to final size (2.5kg) and painted it to stop rust and pretend its alloy Started making the starter motor plate Chopped up a sump to start on making one of those to fit Manual steering rack arrived and gasket set and 36-1 crank pulley on their way cheap via Amazon and Youshop 5 Quote Link to comment Share on other sites More sharing options...
yoeddynz Posted August 22, 2016 Share Posted August 22, 2016 Aint anything wrong with 2.5 kg adaptor weight! Quote Link to comment Share on other sites More sharing options...
Transom Posted September 2, 2016 Author Share Posted September 2, 2016 Got inlet manifolds back from local alloy wizards Machined the manifolds short as possible and flat Sized alloy tubing to squash to oval to match the inlet ports Squashed cut welded Needs just a bit of trim to level up the top ends and dremel porting to smooth it in for flow And this shows how much room i dont have to make an airbox ... 3 Quote Link to comment Share on other sites More sharing options...
yoeddynz Posted September 4, 2016 Share Posted September 4, 2016 Yeah that aint a lot of room. The idea I had for what I was thinking of making for you was a tapered plenum, sloping down towards the front and then have a 90 degree bend into the back from the TB. But I'm still full on building a food cart plus making a custom refridgerated display unit. Luckily looks like you are sorted now Quote Link to comment Share on other sites More sharing options...
Transom Posted September 4, 2016 Author Share Posted September 4, 2016 Getting there... Just sorting linkages and the alloy braces between bodies today I have jigsawed a curve in my wooden bonnet guide now so a little more room Thinkin just an alloy box for air intake with two hoses running to pods behind each headlight for cold air feed Can get lower without those rubber BMW joiners on top too Very tight clearance between the back itbs and the throttle arms And the whole v6 everything is staggered is interesting to work around Quote Link to comment Share on other sites More sharing options...
yoeddynz Posted December 25, 2016 Share Posted December 25, 2016 Updates updates updates please! Oh and check out this... Quote Link to comment Share on other sites More sharing options...
Transom Posted December 25, 2016 Author Share Posted December 25, 2016 Yep seen that almost bought a jag/aj/ford Mazda v6 before I scored the cronos Most seem to think the kl is the better engine but they do build the noble sports cars with those mondeo v6s Updates yeah well been working long hours 6 days a week Scored some new wheels and some new adjustie spensions so that has eaten into build funds Engine mounts are half done want to finalise the sump/oil pickup for clearance before I finish the mounts Having the engine sitting in the car and a spare engine on the stand is making it easier to do wee bits and pieces Throttle links and water and oil plumbing slowly getting sorted as Alislowexpress bits arrive 2 Quote Link to comment Share on other sites More sharing options...
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