Build Thread (FE3, RX7 TII, EFR 6258, MS3) - Page 6 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-22-2011, 12:35 AM   #101
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Originally Posted by m2cupcar View Post
You can drill and tap that blank boss to fit the Miata sending unit from your old B motor. I don't know the thread on that on the oil pump boss you have circled, but I suppose you could always run a line/adapter etc. I know you don't want the bigass sender hanging off your oil pump. First option would be my choice. Although I can't recall what the thread is on the sender- I think it's 1/8" bpt.
I can figure out the thread type but my worry would be cleaning out all the shavings in the oil passages from drilling and taping.. Im gonna check that port in my block that you have your oil line coming from again tomorrow and hopefully its through.
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Old 07-22-2011, 02:44 AM   #102
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M2cupcar. by the way your oil sending unit is from the miata. i picked one up for the kia today and it looked nothing like the one you have. I cant seem to find any oil ports on the side of the block for the turbo feed.

DC is yours the same as M2s?
I only run a mechanical OP guage, no oil sender bs for this guy, learned my lesson with inaccuracies in those pieces of **** by wrecking a built motor..

No oil port above my filter as far as I recall, just have the mech OP feed from beside the oil filter location (like Rob's)

Also, AC, on my car.. YA RIGHT!!
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Old 07-22-2011, 11:10 AM   #103
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I don't think I'm using a Miata alternator- and I'm not sure what car this one is from. Not sure what parts connected are Miata either. It is what it is.
Your alternator looks strikingly similar to an FD rx7 alt. Like dead on.
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Old 07-22-2011, 04:45 PM   #104
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Your alternator looks strikingly similar to an FD rx7 alt. Like dead on.
even the single bolt lower mount?
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Old 07-22-2011, 05:12 PM   #105
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even the single bolt lower mount?
Haha... It all is comming back to me.... Man I'm getting old. That's a first gen probe/mx6/626 alternator and bracket... Direct bolt on to the fe3 block.

Its from the f2 mazda motor. They were used from 89-91... Part number should be a2t05892...

Oh wow I bet you guys don't know about making fe3 strokers out of probe cranks and sr20det pistons
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Old 07-22-2011, 08:07 PM   #106
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Originally Posted by JoePianka View Post
That's a first gen probe/mx6/626 alternator and bracket...
that's believable- I've used a few F2x parts.

Quote:
Oh wow I bet you guys don't know about making fe3 strokers out of probe cranks and sr20det pistons
I do. Had a 2339cc FE3 that used JE Chevy Cosworth pistons and SBC rods, but it didn't last long.
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Old 07-24-2011, 11:53 PM   #107
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Got a bunch done on saturday. Almost finished the intake mani but i ran out of wire. Haters gon hate my spool gun welding job but it is what it is. Im sure it'll do the job though. I can always sand it down and polish it up.


Throttle body is angled to the #3 runner.

All the runners lined up perfect except for the first two. about 1/16" off but nothing my dremmel couldn't fix.



Hmm.. ITB's?


This is what im thinking for my belt layout. what do you guys think?

Miata alternator with kia sportage tensioner (using V groove pulley on the inside). then the miata AC compressor using the stock miata bracket (Looks like using one of the bolt holes in the kia block to mount the bracket makes the pulleys line up.) Ill add a support plate behind the stock bracket and add a couple more mounting locations. Ill also need to use a tensioner for the serpentine belt. Hopefully its not in the way of anything..

I could put it all on the serpentine but the belt wouldn't have much contact with the crank pulley and id need to add an idler somewhere.

What do you think?
Attached Thumbnails
Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02480.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02481.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02486.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-photo0201.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-photo0203.jpg  

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Old 07-27-2011, 09:41 AM   #108
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That belt layout looks like mine ('cept for the V groove)- running two belts, alt & AC. I had a similar tensioner, but it's disappeared so I'll probably move over to the tensioner that's on the 1.6 now. How'd you mount the compressor? Inside of the mani looks smooth and that's what matters- that and not leaking/opening up.
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Old 07-27-2011, 10:42 AM   #109
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That belt layout looks like mine ('cept for the V groove)- running two belts, alt & AC. I had a similar tensioner, but it's disappeared so I'll probably move over to the tensioner that's on the 1.6 now. How'd you mount the compressor? Inside of the mani looks smooth and that's what matters- that and not leaking/opening up.
AC mounted with stock miata bracket. I used one of the holes in the bracket and lined it up with the second taped hole from the bottom on the side of the block. Looks like its going to line up pretty good with the main serpentine pulley. the tensioner on the other hand doesn't line up nice using one of the available tapped holes so im going to have to make a bracket of some sort to make it work. those stock brackets are cast iron right? pretty sure i cant weld to them with my mig..

Started sanding the welds on the manifold down the other day. looks pretty awesome but weather or not the strength of the welds has been compromised has yet to be determined. May pressure test it if i get time.
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Old 07-27-2011, 06:12 PM   #110
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Welding cast iron with MIG is a matter of opinion. I've welded steel to cast iron several times using my oxy torch to heat up the iron and then striking the weld and haven't had a failure. Definitely pressure test your intake manifold- better to have it fail or leak now than once installed (and in use).
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Old 07-28-2011, 01:17 AM   #111
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Little warm in the shop today..

Stock pipe cut down, welded, drilled and tapped.


Solution for AC bracket.




Got a good start on the alternator bracket as well. should finish it up tomorrow.
Attached Thumbnails
Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02487.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02490.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02488.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02489.jpg  
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Old 07-30-2011, 08:56 PM   #112
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Id like to run sequential fuel and spark but have no idea how to set it up on the MS3X. Ive been trying to figure it out using the manuals online but this is not my strong suit. anyone know if its possible to run sequential ignition with the stock 1.6 ignition module? This is what i have.



99 Problems and this is one.. Injectors are too short. Ill take some suggestions on how to solve this one. at the moment im thinking lengthen the rail seats or cut and re-weld the mounts.


Alternator, AC, and Tensioner mounts modified and belts sized to fit.


Exhaust manifold in progress!! Im having alot of fun with this one.



Ive spent tons of money and put in about 20 hours a week this summer on this build and im finally starting to see something that resembles a turbo setup.

This feels good.

Attached Thumbnails
Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02492.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02506.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02493.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02495.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02501.jpg  

Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02504.jpg  
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Old 08-01-2011, 10:32 AM   #113
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Old 08-01-2011, 11:26 AM   #114
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Nothing to add except that your build is looking sick as hell.
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Old 08-01-2011, 12:27 PM   #115
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Yeah man it's comming along awesome. Keep it up! You're inspiring me to put ac on my car again.... You, and the 3 straight weeks of 95+ degrees hah.
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Old 08-01-2011, 01:25 PM   #116
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Just curious why you want to use the stock ignition ?
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Old 08-01-2011, 03:10 PM   #117
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Just curious why you want to use the stock ignition ?
Im broke.

Id like to run sequential COPs like the brain but Ive got to figure out what all im going to need to make it happen and how much its going to cost. Im up for suggestions on ignition solutions if you have any others.
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Old 08-01-2011, 04:59 PM   #118
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Im broke.

Id like to run sequential COPs like the brain but Ive got to figure out what all im going to need to make it happen and how much its going to cost. Im up for suggestions on ignition solutions if you have any others.
you could probably put together GM ls2 Truck coil setup for $100 and have one of the best ignition setups you can get for a miata. not as fancy looking as cop but they are WAY hotter.
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Old 08-04-2011, 01:09 AM   #119
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Not a solution to my injector issue. The longest ones this supplier has extend the ID1000s 12mm. I need more like 20mm.
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Old 08-04-2011, 01:25 AM   #120
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Got the manifold all tacked tonight. Room for a 3" down pipe! One of the pipes leading into the collector has a pretty sharp angle which im not really happy about but its the price i pay for AC..




Attached Thumbnails
Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02510.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02512.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02515.jpg   Build Thread (FE3, RX7 TII, EFR 6258, MS3)-dsc02514.jpg  
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