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Author Topic: '91 Capri XR-2 Resto-Mod  (Read 8747 times)

EShepherd

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    • 1991 Capri XR2, 1991 Capri XR2 Rusted out Shell
Re: '91 Capri XR-2 Resto-Mod
« Reply #225 on: September 09, 2021, 06:38:40 PM »

I was lucky with my bumper somebody had had it off in the past and had only put back 4 of the main 6 bolts. Looking at it I have no idea how the other 2 bolts are ment to be removed or installed. If you can get it off it will make mounting the intercooler much easier and tidier I would imagine. With out those 2 impossible bolts my bumper is a breeze to take off! Good to see it all coming along man, I've been so busy lately I haven't really had a chance to comment and get involved, but I have been periodically checking what you have been up to. Good stuff man you put us all to shame with the exception of rocket man of course!

Thanks man, I appreciate that. At least SOMEBODY appreciates what I'm doing (ahhhhem, dearest wife....).

And Wolf, thanks again. I keep forgetting about your codes. I literally just spent like $700 on basically an entire suspension on our Altima, all from Rock Auto. Forgot the god damn coupon again. AND I DIDN'T GET ANY MAGNETS MAN.....! *sigh*
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EShepherd

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    • 1991 Capri XR2, 1991 Capri XR2 Rusted out Shell
Re: '91 Capri XR-2 Resto-Mod
« Reply #226 on: September 15, 2021, 02:08:14 PM »

Hey guys, I've got wonderful news. So I'm in the car on my phone right now, taking my son to his doctor appointment. But I'm just too excited, I've gotta tell somebody. I just dropped off my block and crankshaft at my house, picked them up earlier today. I didn't get pictures, you'll need to wait until later...but holy shit. Totally worth the wait. The guy who did the work is a phenomenal machinist, it's some of the best work I've ever seen. The crosshatching is pornographic. Just beautiful.

So he did tell me he ended up needing to surface the deck, which I had a feeling was going to happen. Remember how nasty that shit was? Apparently, he needed to take .006" off...which is crazy lol. I'm going to end up taking the camshafts out of the head and bringing that to him, so that it can also get decked. Might as well at this point. Might even spring for an MLS head gasket now that the mating surfaces will both be freshly machined. Should pair quite well with the ARP head studs, and the 16psi of boost I intend to run at. I'm so fucking excited.

Tragically, I am in the middle of my little side project on my wife's car. So I'll need to finish that up before I can start tossing the short block back together. It'll be done tonight though, so I'll probably have some updates tomorrow evening. I'll definitely get pictures up later today for you guys though.

Oh, I bought a 1000lb harbor freight engine stand, too. Why not? It'll make painting so much easier.
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EShepherd

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    • 1991 Capri XR2, 1991 Capri XR2 Rusted out Shell
Re: '91 Capri XR-2 Resto-Mod
« Reply #227 on: September 15, 2021, 07:45:08 PM »

Boom.









Couldn't start work on reassembly today. Hell, didn't even get to put the new engine stand together yet. A stuck fastener in my wife's lower control arm held up that job. I did get that whole dealio finished though, so hopefully tomorrow night I can get cracking on this  ;D
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greywolf27030

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    • 1991 XR2, 1992 XR2, 1993 XR2
Re: '91 Capri XR-2 Resto-Mod
« Reply #228 on: September 16, 2021, 09:09:00 AM »

I'm glad you finally got your stuff and it was worth the wait. I did a rebuild with head porting and Weber carb on a B6 single cam for my Festiva and getting outside work turned into a year and a half. In the interim I got a Capri and lost interest. Sold it at a loss. Keep it going.
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Jack Byrd

EShepherd

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Re: '91 Capri XR-2 Resto-Mod
« Reply #229 on: September 16, 2021, 05:43:58 PM »

Thanks man :)

Two samewhat related questions. So I was talking to the machinist about the freeze plugs. He was making me regret buying steel ones, saying that they can/will rust over time. Anyone know how true this is? It sounds like it could be, but I also think that there is rust inhibitors in coolant, so I'm not super convinced yet that I should order some brass ones. He also asked what kind of sealant I was going to use when I install them. I've always done them dry. I thought they were an interference fit type of deal. Smack them in with a socket and forget about them. He said he's been using a thin bead of JB weld along the outer edge of them for years, and that he's never had them leak on him since he started doing so. Does that sound like something I should try?

Should I return the steel freeze plugs and get brass ones?

Should I use any type of sealant/JB weld when installing them?

I'm currently inclined to just hammer in my steel ones dry, like I've always done, and call it a day. But, I very much don't want to have to pull this engine back out in a year or two because of such a stupid part, Thoughts?
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Aus Capri

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    • 1989 Capri Turbo
Re: '91 Capri XR-2 Resto-Mod
« Reply #230 on: September 16, 2021, 09:10:15 PM »

Some kind of sealant isn't going to hurt and may help seal them if the faces on the block are not perfect. The plugs I'm my block looked 30years old and we're just about corroded through. I can't see the steel ones being a problem any time soon as long as like you said, corrosion inhibitor is used
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Aus Capri

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    • 1989 Capri Turbo
Re: '91 Capri XR-2 Resto-Mod
« Reply #231 on: September 16, 2021, 09:14:41 PM »

Hey man do you know how hard the seal on the input shaft of the gearbox is to replace, I suspect it's leaking and contaminating the clutch. I don't know a thing about gearboxes
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EShepherd

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Re: '91 Capri XR-2 Resto-Mod
« Reply #232 on: September 17, 2021, 05:23:08 AM »

Uhhh so it shouldn't be too terrible to change out. You may or may not need a big 20-ton press to do it, though. I did for one of the shafts, I just don't remember if it was the input of output shaft. Be careful taking apart any of the transmission though. Only take apart what you need to. I kind of regret taking mine all the way apart now.
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greywolf27030

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    • 1991 XR2, 1992 XR2, 1993 XR2
Re: '91 Capri XR-2 Resto-Mod
« Reply #233 on: September 17, 2021, 08:15:44 AM »

Thanks man :)

Two samewhat related questions. So I was talking to the machinist about the freeze plugs. He was making me regret buying steel ones, saying that they can/will rust over time. Anyone know how true this is? It sounds like it could be, but I also think that there is rust inhibitors in coolant, so I'm not super convinced yet that I should order some brass ones. He also asked what kind of sealant I was going to use when I install them. I've always done them dry. I thought they were an interference fit type of deal. Smack them in with a socket and forget about them. He said he's been using a thin bead of JB weld along the outer edge of them for years, and that he's never had them leak on him since he started doing so. Does that sound like something I should try?

Should I return the steel freeze plugs and get brass ones?

Should I use any type of sealant/JB weld when installing them?

I'm currently inclined to just hammer in my steel ones dry, like I've always done, and call it a day. But, I very much don't want to have to pull this engine back out in a year or two because of such a stupid part, Thoughts?

I've had steel plugs rust out, but on very old engines and some I suspect only had water in them. Sealant is a good idea, I wonder if pipe dope would work. Form-a-gasket?
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Jack Byrd

greywolf27030

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    • 1991 XR2, 1992 XR2, 1993 XR2
Re: '91 Capri XR-2 Resto-Mod
« Reply #234 on: September 18, 2021, 11:03:23 AM »

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Jack Byrd

EShepherd

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    • 1991 Capri XR2, 1991 Capri XR2 Rusted out Shell
Re: '91 Capri XR-2 Resto-Mod
« Reply #235 on: September 19, 2021, 09:48:07 AM »

Sorry I didn't find this before you rebuilt your tranmission.
https://mazdas247.com/forum/t/g-series-5sp-transmission-complete-teardown-rebuild-w-lsd-5th-gear-swap.123791691/

Thanks for the link man. The thing still isn't back together, so this will definitely come in handy. So I did somehow manage to lose one of the detent balls. I also have noticed quite a bit of wear while I was measuring clearances and stuff in there. I was sort of trying to hunt down a lower mileage gearbox to drop into the car. I'd feel a little silly putting a brand new(ish) engine back in there, with a tranny that has 161k miles on it. Plus, having the old one for spare parts will definitely come in handy. Especially when I decide to go the LSD route. I can build up the spare while still being able to drive the car, then just swap them out.

Onto the pictures. It's hard to find time to work, but I've almost finished masking the block off for paint. I've just got to trim the top, then hammer in the freeze plugs. Hopefully later today, when the kid takes his nap, I'll be able to get some paint on there. I'm trying not to be super anal about the quality of the masking, or the finish on the paint. It's mostly not going to be visible. I just don't want to drop a rusty looking boat anchor back into the car. Plus, I really fell in love with that color paint after I did the oil pan. I just hope I have enough left. Didn't take any pictures of the trimming yet, I was interrupted by my father in law last night while I was doing it. Hard to work when you got someone yapping away in your ear.

Oh, and before anyone points it out...yes, I realize I put the engine stand together wrong. Whoops. This is why I shouldn't be trying to work on this thing at 8 at night after already having wrenched for ten hours. I'll fix it...uh eventually. Maybe. This block is so light, I'm not in any rush.









My plan is to get the short block assembled, then take the cams back out of the head. Take the head to the same machinist, and just wait there while he skims it. That way, he'll do it in an hour, not in four months. He's right, it does need done. And he does great work. I just need to encourage him to be quick about it lol
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greywolf27030

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    • 1991 XR2, 1992 XR2, 1993 XR2
Re: '91 Capri XR-2 Resto-Mod
« Reply #236 on: September 19, 2021, 11:19:52 AM »

Nice!
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Jack Byrd

EShepherd

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Re: '91 Capri XR-2 Resto-Mod
« Reply #237 on: September 19, 2021, 03:54:37 PM »

Masking was trimmed, freeze plugs were installed, and the first three coats of paint are on. That's probably good enough. I'm not going to go crazy trying to make it a perfect finish. I just want it to look decent once it's in the engine bay. I think this will do that. I'll know for sure later tonight/tomorrow when I pull off the tape.







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EShepherd

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Re: '91 Capri XR-2 Resto-Mod
« Reply #238 on: September 22, 2021, 09:05:45 AM »

Have some more pictures. Removed the tape (god damn, how satisfying) and I'm pretty happy with the paint job. Installed the oil squirters, with new copper washers. Installed the main bearings, checked them with plasti-gauge, then re-installed the mains and the crankshaft. I forgot to put the damn thrust bearings in though, so I'm going to need to remove the #2 main cap and drop those bad boys in. I also managed to lose my crankshaft bolt sometime in the last few months. Not the end of the world, since with the short-nose crank, I've been told it's best to replace it anyways. I jammed a bellhousing bolt in there, just so I had something I could stick a ratchet on and make sure the crank spins. It does, so we're in the money. Hopefully the trend continues when I get the rest of the rotating assembly in.

Can anyone point me in the direction to purchase a new crankshaft bolt for a short nose crank engine? Please and thank you.


Without further ado...


Paint:





Oil Squirters:



Main Bearing Clearance Check/Crankshaft Install:






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greywolf27030

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    • 1991 XR2, 1992 XR2, 1993 XR2
Re: '91 Capri XR-2 Resto-Mod
« Reply #239 on: September 22, 2021, 10:57:51 AM »

Inspirational
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Jack Byrd
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