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1975 mazda b1600


maxted

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got this the other day of a mate, tidy original b1600, looking to lower on some white walls and hubcaps (if i can find some) and respray the same colour when can afford it, last pic is of my old b16 was going to do this one same sort of original stance

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  • 1 month later...
  • 2 years later...

Brought this b1600 back in the weekend

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going to do a full resto on it, its going to be a long term project, would like to find another chassis to slowly fix up with all new bits and paint up ect so i can still daily drive this 

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A mate had this tailgate in pretty poor condition, someone has cut the bottom skin off as it must of been pretty rusty like most i have seen, going to need a fair bit of work to get it in tidy cond again, pretty keen to have the stamped mazda and swage line in it like this one as mine is new zealand new it has the plain tailgate

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also got this standard port 12a and s1 5 speed to put in it down the track 

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need to get these blasted and painted or chromed 

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  • 3 weeks later...

managed to find this for the chassis to do up and mount motor in ect so i don't have to pull mine off the road

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will pull the old 1600 motor and box out next and get the 12a and box mounts done before i remove the rusty as cab 

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made abit of progress yesterday, removed the 4 banger and 5 speed

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then cut the engine mounts out 

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still need to grind the rest down flush and tidy up 

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Then to slot this into the gap

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got it in there 

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its going to be tight for the exhaust will need some pretty slim headers made, the clutch fork is pretty close to the firewall too, might pull it all out and trim the rest of the mounts away and see if i can drop it a little bit more down and back

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  • 2 weeks later...

pulled engine out and ground the rest of mounts off and dropped it back in, this ute has had a floor shift 5 speed conversion at some stage and they had welded a plate to gear box crossmember to bring the mount holes back towards the diff, so i flipped it around and it bolts up roughly where i want it

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when its all mounted where its going to stay i will probably cut plate off and shift mounts on the chassis forward and use the holes in the centre of crossmember and get rid of that plate.

So thats left the engine sitting in the bay like this

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thats as low and as far back as i can get it keeping roughly 10-20mm clearance from front crossmember

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only now the clutch slave cylinder and fork foul 

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Im not keen on moving the engine forward to clear it as it would have to come forward 80-100mm so going to look into raising where the firewall meets the tunnel roughly 50mm to get some clearance and clear the clutch fork, luckily the heater is mounted approx 100-150mm off the firewall so theres some room in there to play with,

do something roughly like this and if need be a bit of a extra notch for clutch fork

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also welded up the factory bolt pattern on the front plate to get rid of the offset, now its ready to be re-drilled more central 

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also picked up a carburettor kit for the nikki as it leaked big time last time when i tried it on another motor, and got a knackered slave cylinder to use for dummy mounting help give me abit more of an idea how much to raise/notch firewall

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  • 3 weeks later...

made some progress over last few weeks, decided to ditch the s1 rx7 gearbox as it would be a hassle down the track if wanted to put something with a bit more power down the track so have got a w56 and managed to find an adaptor to fit s4/5 rx7 bell housing 

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got it all bolted up this evening pretty close shifter position wise, and has gearbox mount further back also a bonus will almost line up with factory x member now, only down side is drive shaft will need to be longer as output is under shifter

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also had some mounts for the front plate tacked together and got some rubber mounts 

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will swap out gearboxes next so can get it sitting where its going to stay then make front plate and suss out box crossmember 

also picked up some discs for the front off a b2000 get rid of those drums!

 

Also started a discussion thread

//oldschool.co.nz/index.php?/topic/42707-maxteds-b1600/

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swapped over gearboxes, have got it sitting in there with carb sitting level, box has more clearance around firewall now, had to cut some more out of tunnel to raise it up to level

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shifter sticks through floor a bit

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heres the w series gearbox mount

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with adapting the box to the rx7 bell housing it lays the gearbox over towards the drivers side, so had to make a new crossmember to suit this angle

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got it all drilled out and bolted up the mount and just tacked it at the angle until I've got it in and tried it out, also made new brackets to be welded to chassis and use two bolts either side instead of one like the original one

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hopefully will have it in this coming week 

 

Also re-thinking engine mounts after coming across someone else's build on the net, quite like how they have done the front plate

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  • 3 weeks later...

made up front plate just tacked together until I've test fitted in the engine bay, hopefully have the engine and box mounted by the weekend ready to remove cab and start making some real progress, also found a nz new tailgate with the big mazda pressed into it scored it for a good price its in really good condition too only need minimal panel work.

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also read up on the hobby car manual, had to make some changes to trans mounts to make them the full height of the chassis 

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test fit the engine mounts, its all worked out pretty well fits snug between chassis rails,

the oil fitting for the oil cooler will foul the front plate so will space it out or get a 90 degree fitting need to see how much room i have to move mounts

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the left hand side i couldn't get the other plate in as it hit the water pump, have taken a spare waterpump into work to change the inlet pipe with a sharper bend to dodge the mounts

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trans mount are all made just needs trimming to fit between rails

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  • 4 weeks later...

had a change of direction with this, decided as i want too daily drive it and keep it as original as possible, so pulled the 12a out and sold it too free up some money to paint it ect instead and just leave the 1600 in there as it goes really good and cheap as too run no cert blah blah blah so stripped spare ute for its well side, diff, suspension and anything else that was salvage-able, going to start to clean up well side and new tailgate and get it all straight and primed 

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A mate came across this on a car yard had been traded in by some old lady, so snapped it up always loved the b1500 fronts, got it for a reasonable price, its had a 1600 NA engine and 5 speed floor shift conversion and has certification for it also, starts and runs was last on the road in 2012, its a bit of a pig of a thing for some reason when you put clutch in it stalls out engine? has a spot of rust in the floor and a bad sill (luckily the other b1600 I've stripped for parts has a solid sill on that side will cut out for patch panel), its also a 1969 first of the square b1500 shape, came with ugly ass flat deck and canopy as soon as got back to the shed whipped all that off and the bull bar, got a fair pile of scrap metal now. plan is to do this one up instead of the green b1600 and continue daily driving that, need to do rubbish/scrap metal run and make some room to take cab off and start stripping chassis back.

 

heres a snap of it sitting on the yard

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got it back to the shed

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1969 getting old for a mazda

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stripped of its deck and bull bars

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love the old school bonnet emblem

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wellside to go on

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