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16v_paddy's bent Naples unbending & F7R rebuild



16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
Right it's long overdue because of general laziness & seive like memory :rolleyes:but it's about time I get this project thread up & running.
As you all know I was involved in a bit of a nasty smash on 5th Nov 08 :cry: and my valver got a busted rear quarter, B-pillar & creased roof :evil: only 2 months after achieving mintness :mad:
But this is what happens when chavved up corsas have a go at a Naples :nono::rasp:
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But the naples is getting fixed :D Here's the latest pics in her current state of bodged repair befor she goes off to the garage to get the brakes fixed then the bodywork sorted and back to mintyness
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Now the interesting part........Megane F7R 710 engine to play with :evil: I can't decide between bodies or boost yet, but either way it's getting a forged bottom end 1st and some fancy shizzle with the crank & flywheel.
I'll make the decision when the time comes to buy pistons, but that's only going to happen when the compo cheque lands, and that could be a while yet :rolleyes:
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I've got a few questions, can anybody tell me what sensors these plugs are for?

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I'm assuming this 1 is the oil level sender :S
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And what are these 2 for?
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Let the fun commence :evil:
 
  A4 DTM/iceberg cup
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oil pressure switch i believe just has the one wire coming off of it and the piccy below will be the oil level sensor
 
  Bus w**ker
Get some full pictures of your car up mate. Looked mint when I came and got that rad.
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
Well I got on with stripping the engine last night :D Pics to follow soon

Unfortunately a lack of a T55 bit stopped the fun just short of taking the head off :dapprove:
 
  120d M Sport
SO glad u are repairing this mate. Absolutely love it

Though I must say, u seem to have no luck at all:dead: wat with the rear quarter before then getting rammed by the Corsa. Best of luck with getting it sorted Paddy
 
  BMW M135i
As said first is a knock sensor, second the oil pressure switch and the third are just engine earths.

And i'll give my opinion of boost ftw!
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
Latest Update

Got the car to the garage to get the brakes checked, turns out that all the crap from the other lads car I ran over had somehow knocked loose the goodridge hose at the back & was leaking a tiny bit of fluid, hence the sponginess

So my mechanic nipped them tight again, then bled the system and left it on the pressure bleeder @ 2 Bar overnight. No more leaks, the brakes are s**t hot again :D and best of all........He didn't charge me a penny :D

Wdenesday morning I took my m8 to pick up his V6 from my paint man and left my valver with him to fix :evil: just got to wait for the insurance cheque to land :mad: and I'll have a minty mint valver again :cool:

As for the engine strippage, I dropped a bit of a bollock :eek: came to take the sump off and apart from the 6 already chewed up torx bolts :mad: I had the engine bolted to the stand wrong :eek: I had it oriented wrong so could only get 3 bolts into it and 2 of them were into the sump :eek:

I managed to sort it out though, pissing around for ages with jacks & blocks of wood :rolleyes:

But the fun has to stop for now as I'm back at work on 12 hour night shifts :cry: Back to it on wed though, but I've just bought a 306 XLd with my m8 to fix & sell for some crimbo money so my work on the valver might have to wait but who knows.....
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
Right, time for an update :D not done anything for the past few weeks :oops: had some money making projects on the go ;) But here's the pics from the stuff I done last time round

Engine in order of strippage

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Can anyone tell me if I should be bothered about this rust on the cams, or whats caused it? :S

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Cams out

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The state of the head bolts, swimming in copper grease :eek:

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Head off

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The block in all its glory

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Some not so good photos of the cylinders (piss poor photography skills to blame) :eek:

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Any educated opinions of the state of the engine would be appreciated :D
Now the important part of the project so far, the unbending & respray. Just a few pics of the work in progress :cool:

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  f**ked ph1 172
tbh you cant really tell from the pics. the bores *look* ok, have a feel around the edge where you can see where the rings have gone up to, and have a feel all around it to see if there is any lipping.

the hone marks look ok, but obviously get it rehoned!
 
M

mini-valver

The bowls on the head look very coked up, nothing a good clean wont sort but I'd check the AFR if you keep the standard flash on the ecu!
 
  f**ked ph1 172
tbh, i did think that, but as he was going to turbo it i decided to leave it out as he'll be running a remap.
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
I did notice how coked up the head was & was quite surprised but not too bothered as the whole thing is being rebuilt with new parts & obviously a proper map

I'll be getting a rebore as well, I just need to measure the cylinders to see which pistons I need to get as I don't want to go too far with it unless it's necessary

Haven't got a clue of the history of the engine, hence I got it cheap, but the plan has always been a total rebuild/learning experience instead of just dropping it in straight away
 
  f**ked ph1 172
what i'd do mate is get the pistons then give the block and pistons to a machine shop and ask them to bore and hone it to suit them.
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
I've had the bores measured today and the good news is that the block hasn't had a re-bore, it is a bit worn but not excessively, so I'll be ordering some 83mm pistons & getting the block re-bored to fit them :D
 
thats not rust on the cams, its a band of yellow pant used to indicate that they are indeed 2ltr cams.
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
Update with a Few more pics 8)

Took a bit of persuading with a T50 bit, blowtorch, icecube and a hammer :mad: and got the sump off

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Couple of gratuitous oil pump pics, I don't think its very healthy as it doesn't turn very easily and clunks a little bit :S not too bothered as I'm getting a new 1 anyway

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Oil pump gone and that gasket s**t is fuckin everywhere :mad: I want a proper gasket for this not the liquid s**t renault say it should be :nono:

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Next out was the rods & pistons
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Next off was the end caps, I need some educating here :rolleyes: what are these shells/bearings called? I already know the crank big end bearings as they're with the rods, just after the name of each 1

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Then it's out with the crank

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Next to come off was the oil cooler

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I intend to put a mocal cooler on, do I still need to keep the std one? Is it there to help get the oil up to temperature or can I bin it? :S


My nicely organised floor full of engine :D

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I've had the crank and the block measured up and I'll be ordering the rods, pistons, gaskets & bearings etc on monday :evil:
 
  f**ked ph1 172
big ends on the con-rods
and the others are main bearings and the half circle things are thrust bearings./
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
I've got that book "1001 uses for vinegar" at home, it would make my day if it said 1 of the uses was for de-greasing engine blocks :rasp:
 
  f**ked ph1 172
^ it probably doesn't but trust me it works!

If you've got a lidl near you theres some cheap engine cleaner in there in a spray can, good s**t!
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
It's going to be chemically cleaned when it goes to get re-bored, should I soak it in vinegar anyway??
 
  RS RIP
judging from the pic in the avatar i'm guessing the inlet manifolds of the F7R are different to the F4R inlets are'nt they ?

I have someone who wants to buy mine for a F7R/F7P engine .... Will mine fit this engine ?

**edit** just saw that your avatar pic was taken from a valver.. but my question remains
 
  ValverInBits
yeh but seriously though, 2-4 days in the cheapest of cheap vinegar should be enough to make it sparkle. even without a vibrating bath.
Might be a money saving idea for you.
Looks like it's going well. nice thread :)
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
franx - dunno if this is any use to ya but also the megane F7R head can't work with a F7P or williams inlet manifold as the shape of the inlet ports are completely different

Latest Update

All the bits got ordered & paid for yesterday :D forged rods, pistons and all the other bits & bobs needed for a full rebuild but thats january's money all gone now :S :quiet: and I still need to get a new oil pump for it, I'm now flat broke for the month :cry: but it's well worth it & I'm happy because I got a really good deal :D

Next part of the project is to get my car back from the bodyshop - tomorrow, can't wait :D - then it's mot & insurance time in feb but since I'm working over christmas I'll have a healthy chunk of overtime and a pay rise by then and hopefully enough money left over to get the machining work done and the bottom end built up
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
I finally got her back on christmas eve, but since I was working all over christmas I didn't get chance to take any pics :cry:
But I've been busy all day and she's had a full on valet, wash, polish, wax inside & out so she's back to total mintness :D

Some before & after pics of the damage & repair

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Now some gratuitous naples porn :rasp:

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M

mini-valver

Stunning example mate, will be even better when the 2.0 goes in!
 

16v_paddy

ClioSport Club Member
  Valvers & 172 Cup
UPDATE

Woke up not long ago to find a nice box on my doorstep, opened it up and look what was inside

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Some lovely Forged H-Section con-rods with ARP bolts :cool:
 


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