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Oct 23, 2009 17:48:43 GMT
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If the engine was originally a Austin 1300 unit, some of these were factory fitted with duplex timing chain/no tensioner.
Make sure you flush all oilways, and possibly strip and clean the pump before you put it back together, if theres as much metal been floating around as that.
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Oct 24, 2009 14:13:25 GMT
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I can't seem to find a lot of info on what's what with regards regrinding the crank. It's probably already been ground with oversize bearings fitted.
The big ends measure: 1:44.45mm No scoring 2:44.45mm No scoring 3:44.44mm Light scoring 4:44.20mm Bloody awful mess, slightly oval (44.2 is smallest diameter) and a few small darkened areas
and the mains measure Timing chain: 51.75mm light band of marking around centre where oil feed is Middle: 51.75mm light band of pitting in centre Flywheel: 51.85mm, very heavy pitting around centre
With all that, I've got a few questions:
Is there scope to grind the crank further and fit oversize bearings?
Since the rings and pistons and bore are so new, can I reuse my existing piston rings? I've left 1,2 and 3 in the bores, but removed no.4 because the rod end is very scored on the inside where the bearing span. I'd like to replace all the rods ideally, for peace of mind!
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Oct 24, 2009 16:59:16 GMT
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dear christ what a fuggin nightmare. Sounds like you have got plenty of other life stuff to keep you busy beyond this too! I hope you get it sorted, you certainly give the impression of being more than capable of sorting it out to a good standard. Looks super cool in the photo.
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1974 Lancia Beta Saloon 1975 Mazda 929 Coupé 1986 Mazda 929 Wagon 1979 Mazda 929 Hardtop 1982 Fiat Argenta 2.0 iniezione elettronica 1977 Toyota Carina TA14 1989 Subaru 1800 Wagon 1982 Hyundai Pony 1200TL 2-dr 1985 Hyundai Pony 1200 GL 1986 Maserati 425 Biturbo 1992 Rover 214 SEi 5-dr 2000 Rover 45 V6 Club 1994 Peugeot 205 'Junior' Diesel 1988 Volvo 760 Turbodiesel Saloon 1992 Talbot Express Autosleeper Rambler 2003 Renault Laguna SPEARS OR REAPERS
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Jeez, this thing gets worse. I bought an old 1275 block for the crank and rods. 2 of the rods turned out to be baggy on the little end, so I just replaced the one rod that had span. Weighed them all and they all matched. I got the crank ground to 10thou and some bearings to match, built the engine up and after a few shenanigans with the ECU it started and ran fine with loads of oil pressure and drove well, but with a slightly suspect knock from the waterpump end of the engine I've done about a dozen miles in in, drives great, pulls strong (spins the yoko A032s up in third in the wet!) and maintains great oil pressure, but the knocky/chattery/rattly noise worries me. Not sure what it is, it sounds very low down on the engine, almost like the gearbox, but it does it even with the clutch down. I've also been told I get "too much" oil pressure (100psi cold idle, 55psi warm idle and about 75/80psi when I rev it) so I decided that it's coming out AGAIN. Idly browsing the mini forum I see a 1380 engine with a 286 cam for sale, in Rotherham. Claims of balanced bottom end and the like also attracted me. I decided to stop fannying about with this engine and just put another in. I don't know for sure that it's any better than mine, but the bores looked like new and it all seemed a-ok. I made the bloke an offer and I've now got this sat in what used to be the garage: I got sick of waiting for my mate to put a window in his escort van so he could get it out of his workshop, and I'm taking the mini back up to my nans to work on it. I'll just have to brave the elements. Plan is to get the engine out tomorrow, do the plugs and leads on my mums Ka so that it fires on all 4 cylinders, then get a lift with the new engine down to my nans and fit the new one the day after. Of course, it will all go to plan, work excellently and everything will be perfect. In practice, the new engine will explode as I turn it over the first time, and I'll end up burying the car in a deep hole and pretending the whole costly charade never happened.
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Last Edit: Dec 7, 2009 23:23:33 GMT by cobblers
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Hi,
Sorry to hear the nightmares. This is the reason why, I'm fitting J engine in my Mini. In my case, I got carried away doing many other thing. I think amount of money you have sepnt, you could have bought a 1600 Vauxhall engine set up and subframe to go with it. Then you can sell all of your 1330 engine as a parts.
Well, if you are to join dark side of engine converted Mini, let me know!
Cheers Atchi
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Building roof chopped, screen raked '68 Mini with G13B 1.3 16v Gti engine with LSD, Yamaha R1 carbs. As well as mk1 Suzuki Swift Gti AWD with a turbo. Drives PHEV Outlander but wishing my mk1 Swift Gti or mk2 CRX Vt were still with me!
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Yeah - it was supposed to be just a quick repair, but turned in to a bigger job bit by bit Got the engine out earlier (I'm getting good at it, only took about 90 minutes!) A familiar scene: Going to drop the new engine off at my nans in a couple of hours, and then crack on with fitting it tomorrow. I found the reason for my baggy gearchange - I'd left the bolt for the gearchange steady rod finger tight, doh! The noise on the old engine got worse - I gave it death driving about the place all day, really thrashing it hard. Sounds like the bottom end again. I suspect the block has a blocked oilway or something.
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How many times have you said "why did I sell my Lupo?" since you got the mini? What a pain in the a=se. I hope the new engine sorts the issues out for you as it looks like a nice little car.
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rtlkyuubi
Posted a lot
Low and Slow
Posts: 2,922
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cant wait to see it in the flesh when youve got it sorted. With that engine and the body work, she'll look like a minter!
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Today didn't go that well - Step one, I remove the dizzy from the "new" engine, to fit the blanking plate. I pull the dizzy out, poke my finger in to slide the drive out, and it drops into the crankcase. Originally I was going to drop the whole thing in, as-is, but now I had to get the box off. Turned out for the best - Removed the drop gear casing to find a completely shredded clutch oil seal, got the engine off the box and gave the box a quick check over - All the box seemed spot on until I check the diff and find a good 2mm of play in the diff pin - I had intended on fitting my diff with a hardened pin at some point, but I this one was ready for going (Firing the diff out of the side of the casing!) So I decided to put my original box on rather than just swap the diff (I knew the box and diff were all fine, so on it went) Just before I was about to fanny about lifting the engine onto the box I realise the new engine uses bigger bolts for whatever reason, so I drilled the holes in the box out and got it all bolted up. Bloody nightmare! I then swapped the plugs, set the tappets and lumped the engine in. By now it was getting dark and I was wet and cold, so ended up taking 25 minutes to get the 4 engine mount bolts in through the subframe. Nightmare. Ran out of light, so I need to go up tomorrow, fit the oil filter housing, rad, fan, top engine steady and plug a couple of wires in. This new engine better work nicely, I'm completely out of money, patience and my mojo is at absolute zero If it's wibblepoo, it'll have to get sold as it is or even broken for bits - I can't afford to throw any more cash or time at it!
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v7mat
Part of things
Posts: 18
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Dave, hows things? do you still have the Lupo, i've never seen pics of it It's matt from Retford btw, i have a VW along with my Honda now thread is on here.
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Dec 10, 2009 15:12:17 GMT
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Hey matt, I was reading about you passat, it looks ace. I saw you once in retford I think, didnt realise it was you til later (Jon was telling me you had bought it) I sold the Lupo to buy the mini Speaking of mini, It works now, without making any awful noises. Goes quite well (about the same as before) Idles a bit lumpyer than before, but not much. and a pic of the thing "not" in the garage:
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Mark
Club Retro Rides Member
Posts: 2,097
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Dec 10, 2009 18:36:32 GMT
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That's the risk of buying a modified Mini dude Did you check the pressure relief ball and spring on the original engine?
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Dec 10, 2009 18:46:19 GMT
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That's the risk of buying a modified Mini dude Did you check the pressure relief ball and spring on the original engine? Yeah, replaced it - It was showing "too much" pressure if anything (You're supposed to cut a bit off the spring - I bought a new ball and spring, but used the old spring because it was slightly shorter to start with and left it as is) I popped a random big end shell off the old, rebuilt engine. It looked a bit scored Who knows. One day I'll take the good head (lol) off the bad block and measure the volume, see if it'll work with my new block and pistons. Should make for a really strong engine.
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spacekadett
Part of things
F*cking take that Hans Brrix!!
Posts: 830
Member is Online
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Dec 10, 2009 20:30:09 GMT
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I can't believe how much bad luck one person can have with one car But then it is a Mini Mine has been a 'mare from the minute I put it on the road 2 ish years ago, to the point that I've barely done 1000 miles in it! (although it is a 3rd car and fair weather too cos it don't like the wet ) Started with phantom over heating probs, which caused it to not be featured in PPC cos it died on the way to the photoshoot Persistant ignition and carb problems, only cured when after months of faffing I ripped it apart and replaced both systems in thier entirity. On one occasion it ingested most of the sump oil (trashed breathers and very clogged valves). And finally the charging sytem packed up this summer although it did drive the 40 odd miles home from the RR Norfolk in the dark and die on the driveway And all this with a stock MG Metro lump and all worth it when I took it to the Marham track and it performed faultlessly all day (inc 89.4 mph @ an indicated 7k ) Ok it didn't have it on the straights but on the bends ;D ;D sorry for waffling on just really saying awesome looking car and you're not entirely alone on the grief with Mini's front
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Mechanic's rule #1... If the car works, anything left on the floor after you finished wasn't needed in the first place
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v7mat
Part of things
Posts: 18
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glad you've sorted it Dave, PM me when you're gonna be about round here. I'd love to have a propper look at the mini.
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That's a nice looking mini. Glad the engine is OK for you.
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Dec 11, 2009 17:54:18 GMT
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Thanks for the comments Fitted some new mirrors today - the one that was on looked cool, but was the square root of f**k all use. I'm sure a lot of you can relate to the unpleasant experience of drilling into shiny paintwork :S All went well in the end though: (Ignore wonky bonnet, grille and numberplate.... I'll put them all on properly one day) They don't look amazing, but they are better than all the alternatives, and I can see what's behind me at last!
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Last Edit: Dec 11, 2009 17:55:15 GMT by cobblers
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thats one cool looking mini, did you mange to get it fixed?
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thats one cool looking mini, did you mange to get it fixed? Thanks - In the end I had to sell it. I had put too much money into getting it fixed. Made a £1500+ loss on it, and not including the drive home, I did 45 miles in it. In hindsight, I'd have been better just breaking it for parts as soon as I got home, as I'd have probably lost less money and a LOT less time farting about. I'm still paying the credit card off for it
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lund
Part of things
Posts: 155
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Oddly, the duplex timing chain has no tensioner? Yes, thats fine. When removing the single chain and tensioner it is wise not to refit it when using duplex gears. This is because the face of the tensioner is wide enough for a single chain, but wears very rapidly when placed over the centre of the duplex chains. They have been known to disintergrate. I have recently rebuilt my 1293 and have purposefully not refitted the tensioner. It sounds like you're luck is on parr with mine. As i mentioned, I have just rebuilt and fitted my engine, after a rebore, gearbox rebuild etc, to realise that she wouldnt get oil pressure. It turns out the oil pump hasn't located on the end of the camshaft and has chewed away the pump spade drive! Tom
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