The Rat's Nest - 81 X1/9 Build

Sorry that lead didn't pan out. But the pointer to L Seat is still a viable option. (Vick's, too, if Black is acceptable.)
The L-Seat folks offered a discount for providing covers that they use to make a pattern. Seems to me that the extra time required for that won't really hold you back, as you still have - ummm - plenty of other facets of the project to keep you occupied...
I think the Vicks covers look like seat COVERS, you know the ones that slide over the existing upholstered seat - much like "sheep skin covers" slide over your existing seat. I could be wrong, but the price is in line with covers, not upholstery.
 
No, I'm confident that the Vick product is a kit for re-upholstering. Here's a link to a thread from Jim D about the set he installed on his car:
 
Here is transmission parts shopping in a nutshell as of 3/2024...
Aftermarket parts lurk in the shadows, waiting to take money and waste your precious time on earth.
So you want to find a good one... OEM...
Gears, synchros, sliders, all kinds of things are NLA in OEM, depending upon what it is.
It's the things you want most - synchros, gears and sliders are the common sacrificial wear items.
Stuff that usually doesn't go bad is more commonly available.

Take the 5th synchro ring - P/N 4451145 - a common wear item.

MWB has a used one:

Chris is holding one hostage:

Ebay Italy has a few - and for good prices:

You gotta have an Italian connection for these common items.

Sliders, synchros, gears, these things are still out there.

But, Dag! It's a real treasure hunt...! :oops:
 
Isn't that synchro one you can flip over and wear out the other side? I know I did that to one or 2 when I rebuilt my gearbox.

That said great investigation work, when you are done this car will be so good.
 
Getting parts shipped from Italy can be another fun adventure. :rolleyes: That may be where your Italian connection is most helpful. ;)
 
Call from my hero Jim.

He’s got my rods and block done.

Beautiful…
Love you, man. *sniff*
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Weather cooperated today! 😃

Block came straight from the hone into the back of Mom’s car all covered in oil and chips and grit.
Good preservative,
But,
Kept trying to play with test-fitting pistons and whatnot so the cleaning operation was on.

I’d cut down the little mounting sleeves for my stand like a dummy because all i had was the factory mount bolts and they were short.
What i didn’t figure was being able to mount the flywheel… :rolleyes:
Good news is that i saved the cut off parts.

After buying longer bolts on Amazon and a morning’s welding/grinding session the stand is done correctly (again).

First thing was to douse all galleys full of Gunk to soak.
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Bearing-scoring chips from boring op lurk in unlikely places.
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Blasting hose nozzle into all the cracks/crevices/galleys/holes/etc.
Water jackets and innards look pretty dang nice.
Original owner always used real antifreeze I’m thinking.
Camera doesn’t capture depths, but seems pretty OK in there to me.
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After Gunk was flushed out it was a bucket of Simple Green and a big ol’ plastic scrub brush.
But I didn’t get any pics…
 
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After some compressed air it was dry time in the sun.

After that it was a Scotch-Brite scrub for the cylinder bores and gun brushes for oil galleys.
Everything then got doused in carb cleaner and more air.
Bores got paper-toweled with carb cleaner until they came out white.
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Final is an oiling with some WD-40 for now.
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Jim made sure to include directions.
There ARE high-school kids involved here after all…
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Block is sitting on the stand clean, dry, oiled and covered by a towel.
Some good fun to come here soon…! 😃

Just need to get that dang crank back here already!!
😡
 
After some compressed air it was dry time in the sun.

After that it was a Scotch-Brite scrub for the cylinder bores and gun brushes for oil galleys.
Everything then got doused in carb cleaner and more air.
Bores got paper-toweled with carb cleaner until they came out white.
View attachment 82424

Final is an oiling with some WD-40 for now.
View attachment 82425

Jim made sure to include directions.
There ARE high-school kids involved here after all…
View attachment 82426

Block is sitting on the stand clean, dry, oiled and covered by a towel.
Some good fun to come here soon…! 😃

Just need to get that dang crank back here already!!
😡
WD40 isn’t the best. It will displace water for a time but doesn’t keep much of a film overtime. Some 10W40 would be worthwhile.
 
My friend Morgan came by for me to weld up a leaky header pipe.

He found this tool in with his Dad’s old stuff.
Any chance this works with my X here?
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Head is off at Jim’s still so I can’t check it and see… :oops:

Oldest son is home for spring break!
If it rains we’re balancing rods/pistons and sizing rings.
If it’s nice out we’ll be cleaning underparts like e-brake and shifter stuff.

Fun times! 😃
 
WD40 isn’t the best. It will displace water for a time but doesn’t keep much of a film overtime. Some 10W40 would be worthwhile.
Ya, for sure you’re right.
It’s getting damp already for supposed rain tonight.

I’ll be back in there real soon for measurements of all kinds,
So decided to keep it light for now.

It’ll get oiled good at assembly time.

Thanks for watching out for us.
Takes a village.
 
My friend Morgan came by for me to weld up a leaky header pipe.

He found this tool in with his Dad’s old stuff.
Any chance this works with my X here?
View attachment 82427

Head is off at Jim’s still so I can’t check it and see… :oops:

Oldest son is home for spring break!
If it rains we’re balancing rods/pistons and sizing rings.
If it’s nice out we’ll be cleaning underparts like e-brake and shifter stuff.

Fun times! 😃
Yup thats the one you want.
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My friend Morgan came by for me to weld up a leaky header pipe.

He found this tool in with his Dad’s old stuff.
Any chance this works with my X here?
View attachment 82427

Head is off at Jim’s still so I can’t check it and see… :oops:

Oldest son is home for spring break!
If it rains we’re balancing rods/pistons and sizing rings.
If it’s nice out we’ll be cleaning underparts like e-brake and shifter stuff.

Fun times! 😃
This one works on an X:

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The business end of yours looks pretty similar.
 
Had a good day yesterday. 😎
Any day above the dirt is a good one, right?

Started off using my hoakey rod balance rig.
Rods were a few grams different in weight.
Certainly not Bernice-quality equipment, but gets the job done.
If i was going to continue to build Fiat motors, I'd make a proper mandrel to fit the big end.
Once you pick up the center of the big end this thing works well.
Until then, I'm just using some skateboard bearings.
They hit the parting line at the cap, and throw the measurement off,
But if you repeat and repeat, and hold your mouth -just- right,
Eventually you'll pull a number out of the thing.
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I'll write the numbers on the side of the rod, then wipe them off with carb cleaner and repeat,
But check this out - Gen Z guy uses a spreadsheet on his phone.
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He was all miffed at how the balance setup wouldn't repeat,
constantly giving numbers that made NO sense,
So i put him on parts washing where he belongs.
He did get them all end-to-end and overall within a gram in the end, though...
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I grabbed this old rotten bore gauge and tried to measure some bores.
The thing slips and sucks and blows and i threw it away.
Ordering a new one today.
Unless i throw things away I keep repeatedly grabbing them and driving myself nuts!
Jim says he set clearances to .0014, and i believe him.
This thing is two tenths off, at least in the microsecond this pic was taken as it slips away...
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Also whittled a bit off the bottom of one piston that was a gram heavy.

Coached kid through ring end-gapping.
Pretty wide range for spec from .012 to .018 or so,
and good thing, because kid.
We shot for around .014 but none were under, and none were over, so we'll run 'er! :D
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Assembled rings on pistons and annoyed kid with taking pictures.
"Dad has to take more pics for his social media!"
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After rings were on pistons i went to assemble wrist pins on rods,
Then forgot i wasn't building a VW with Tru-arcs or Spiro-locs.
We got these things.
Ugh.
I hate these things.
Might just have to pull rings back off so they don't get broken in the inevitable tussle.
Anybody have a genius solution to installing these wrist pin clips?
Far as i know, it's just a painful grind levering them into place with a little screwdriver.
Make sure to wear safety glasses.
That, and do it in a contained area so they can't fly off into infinity.
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Maybe I'll go and get a big box to be inside of when levering these things on... :rolleyes:

That left us at a good place to stop.
Need to get mentally prepared for this next battle.
 
I've never bothered to support the big end when balancing rods. Just made sure the same "point on the rod" contacts the scale. Always been good enough for my junk. :)

And.... If you only measure once, you don't have data scatter! (that is a joke - always measure several times)
 
Piston to bore clearance per Fiat service manual using a feeler gauge on the side of the piston, page 10.43 on this link:

Pistons are not round.. That style of bore gauge requires a setting ring to calibrate/set, then it can be used to check round_ness of the bore..
Lower image on that same page.
Measure the piston, might not be "round" due to the way pistons are made to expand to fit the bore..

Wrist pin retaining rings are installed using "special" tool. The tool has an internal taper that compresses the ring as it is pushed down the internal taper then effectively ejected into the wrist pin groove on the piston. If they are installed without a tool like this, damage to the piston's wrist pin groove area is likely.


Bernice
 
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Far as i know, it's just a painful grind levering them into place with a little screwdriver.
These will not go in (without damage) without help from a special tool as Bernice noted above. Those circle clips are very stout and very strong. When I was faced with this I found a hack work-around that got the job done. Not elegant, but it works.

 
Make sure to wear safety glasses.

YES. WEAR SAFETY GLASSES. The last time I did this, I wasn't wearing any. After getting one clip in, I decided it was a good idea to put on my safety glasses, so I did. The very next clip shot out so hard that it cracked my safety glasses. Yeah, I'm very happy to have two eyeballs right now.
 
For your rod balancing rig, see if installing a modified used bearing shell, 90 degrees rotated into the big end (so it covers the part line), helps the skateboard bearing find a natural center point.

Everything within a gram is certainly good enough for these engines. ;)

For those wrist pin clips, see this thread:
 
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