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Jamie’s rx 323


J4m13

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But I think I now have it sorted....

i am going to try move the bottom mounting pin down and away from the diff in the hopes of gaining enough clearance. I think if I can manage about 20-30mm movement I’ll be good to go.... stay tuned for an update tomorrow, with hopefully some better news

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Thats a big fat no.

it gave me clearance, but just not enough for my liking, if the diff angle was changed, that would’ve given me more but I’m not keen on chewing out universal joints.

So my going to have to cut out some plates to weld on and extend my shock mount as shown in the photo below.

if anyone else has a better/easier idea, let me know!!!

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So I took my gasket paper designs into work and looked in the steel rack for some stock to scrounge.

ended up fining some angle iron off cut that wax extra from a platform and ladder install. 
5mm thick so good n solid!!!

traced the outline of the one I cut out, reversed it for the opposite side and with grinder in hand. Cut em out

cleaned em up and brought em home to test fit.....

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Well.... I tacked it on, and used the old bushing to try it out. 
clearanced the old shock housings to fit the new coil over diameter. 

and it worked in all aspects. Clearance in all areas.

its taken a lot of trial n error, but I finally have it where I think it can work as designed.
 

From all accounts it’s not just an easy trim n fit. But totally achievable with a grinder, some scrap steel, welder and patience. 

 

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  • 2 weeks later...

So over the last few days I had the new suspension mounts/tabs welded on.

the spherical bearings arrived for the top mounts so installed them also. 

was a Sunday cash job for the welding, 9am ended up being almost 1pm but at least it’s now done 

Ran fuel hoses, plumbed in fuel pressure reg and Holley fuel pump. Ran the battery cable from the boot, and connected all that jazz up.

had to wait a few days extra from the Mazda bellhousing and startermotor bolts but that didn’t worry me too much as I was still cursing over the broken temp sender the previous owner broke off at the block.

i tried to easy out it but that at failed. So bought an m8x0.75 tap. Drilled the centre out and no sooner had I started to drive the tap in, the thread broke in two and I could pull it out.

had a drama with the pressure regulator, no matter how much I tightened the fittings they leaked. I guess being built in Korea now Holley arnt the quality they should be.

ended up having to use a bit of ptfe tape to ensure a good seal. Anyways, some photos and we’ll get to the good stuff soon....

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  • 2 weeks later...
  • 3 months later...

It’s been a while. 
my wife gave birth 2 days after the hole saw ate my hand. 
been a few purchases and other things completed.

things obviously slowed down on the car with the birth. But I bought a little 12a I saw someone comment on. Unknown condition, came with a 48mm ida and 4 speed gbox for $1200. Thought it was a pretty good deal so snapped it up.

got it sent to work, to find out she’s seized solid. Removed the carb and manifold, Sprayed/tipped some penetrene in the intake ports am slowly started to turn the front pulley. Kept at it and freed it up. 
no compression, no worries. I bought it knowing it wasn’t ideal. 
spent the rest of the day at work ripping it apart. 
coronavirus has been great for me and working on my stuff at work!!! 
So once I opened it, it was apparent someone had “bridgeported” it. No work done on the runners, literally just cut a bridge and open up the port on the face of the plate. Was pretty rough and the bridge was wide, almost into the water seal.

Housings well rooted, good for a game of horse shoe maybe 

a few pics for those with interest.....

 

 

 

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So it’s been some time since I actually did some work on the internals on a motor and it took a bit longer than I hoped. And being I live in rural Queensland, parts deliver is painfully slow.

I tidied up the ports as well as I could, had some 13b housings machined down and some water seals cut into them. 
I did a measure of everything and it all seemed pretty usable, although the front rotor was rooted, dunno if this thing actually ever run after the last assemble as the rotor looked like it had been dropped. Apex seal Slot dented to buggery, corner seal hole had been made into an ellipse and side seal gap had been closed up beyond repair. Alas.... replacement.

the bearings looked pretty shagged so as a matter of course, replaced those and both front n rear seal. Had some Atkins corner seals I had from a while back and put new springs in it.

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So completed the task of assembling this thing.

went smooth, all together nicely. Had to muck around with the spacer for end float but all n all was good to get back in the groove.

pulled the pp out to give it a once over, ensure oil pressure and all that good stuff. I must admit, when I had it in the engine stand and rotated it to ensure all was good it was easier to rotate than I remembered.....

swung it in the there no worries, got it all hooked up, threw my ida on from my 13b and went for a spin over. 
didn’t even sound like it wanted to start. Got mum to turn it over while I checked etc and it looked like someone was putting fuel down there. Far too big. 
so boxed up the other ida that came with this block and whipped it to a carb specialist in Brisbane. 10 days later it was back at my door. 
beaut!! 
Set it up, bolted it on and tried again. Nothing.....

chucked my compression tester in and you got it. Not even enough to pull me off.

absolute fail and waste of my time. 
so with that, it was decided a complete reseal and birthday.

so with that, whip it back out, I jumped on a Japanese parts website and ordered all new seal and springs except apex seals.

while I was waiting for them to arrive,  pulled the motor apart and got to lapping the plates.

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While this was all going on I was also trying to work through the last pieces of the diff conversion and suspension upgrade.

i had some lower control arms from a s3 rx7 sent to me, cut the eyes off the factory 323 ones that incorporate the spring seats, cut the eyes of the rx7 ones and went to shortening them to have em the right length. Got em tacked and trial fitted.

perfecto!!! So had a local welder glue them up for me

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