S3 apy engine rebuild help

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Goubo1

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Going to try get my engine sorted out over the weekend,my mate that's going to be doing the work has asked me to find out if its hydraulic lifters ??

he also said while the engine is out about doing the conrods and pistons what are the best conrods and pistons to go for on the apy engine ? anyone know where I could get some for Friday ?
 
Rods = Bill.... and yes, hydraulic lifters in 20vs... make sure your mechanic FOLLOWS the instructions for fitting them... ARP bolts aren't the same as the OE ones...

<tuffty/>
 
Why pistons???... replace the rings and do a hone for sure but no need for pistons...

<tuffty/>
 
<tuffty/> said:
Rods = Bill.... and yes, hydraulic lifters in 20vs... make sure your mechanic FOLLOWS the instructions for fitting them... ARP bolts aren't the same as the OE ones...

<tuffty/>
Click to expand...

does bill have them in stock tuffty ?,is their a guide for fitting them with the bolts or a thread on here ?

if all goes well the work will be getting started on Friday night
 
If your planning on changing pistons to anything other than OEM ones you will need to completely strip the block and rebore it

I found ETKA and Elsawin really helpful software to have on your computer and can be had on many download sites ;)
 
StaceyS3 said:
If your planning on changing pistons to anything other than OEM ones you will need to completely strip the block and rebore it

I found ETKA and Elsawin really helpful software to have on your computer and can be had on many download sites ;)
Click to expand...

Cheers for that mate,would pistons from euro parts be ok or best of going audi dealer ? It's just incase the pistons are have been damaged with what's happend
 
Is there a guide to a list of parts to what else to get when doing rods ?
 
Goubo1 said:
is that 50lbs then slacken back to 50 slacken and back to 50 Karl ?
Click to expand...

I use 55ftlbs and yes, tighten then slacken, tighten then slacken and tighten for the last time... and by that I mean tighten both bolts on each rod then slacken both bolts on each rod in turn..

No tutorials as such... this is engine building... your guy will hopefully have some idea... I have gone into it a bit of detail in my build thread before...

Pistons won't need changing unless you have put a hole in them... if the valves have impacted them all you need to do is carefully flatten off the sharp edges to prevent hotspots from occurring and causing pre-ignition...

New rings need to be gapped correctly and you NEED to hone the bore to bed them in... you will also need to run mineral oil for at least the running in period of 100 miles or so before dumping it and putting fully synth back in

New shells needed too... Bill will have those... you will also need to check the small end clearance on the gudgeon pins... you may need to hone them a little... the pins need to slide in the small ends... if they bind then no oil can squeeze past to lubricate the pins or bush and you will end up with small end rattle...

Also advised is a new oil pump and pick up pipe..

... but then hopefully your guy knows this...

<tuffty/>
 
<tuffty/> said:
I use 55ftlbs and yes, tighten then slacken, tighten then slacken and tighten for the last time... and by that I mean tighten both bolts on each rod then slacken both bolts on each rod in turn..

No tutorials as such... this is engine building... your guy will hopefully have some idea... I have gone into it a bit of detail in my build thread before...

Pistons won't need changing unless you have put a hole in them... if the valves have impacted them all you need to do is carefully flatten off the sharp edges to prevent hotspots from occurring and causing pre-ignition...

New rings need to be gapped correctly and you NEED to hone the bore to bed them in... you will also need to run mineral oil for at least the running in period of 100 miles or so before dumping it and putting fully synth back in

New shells needed too... Bill will have those... you will also need to check the small end clearance on the gudgeon pins... you may need to hone them a little... the pins need to slide in the small ends... if they bind then no oil can squeeze past to lubricate the pins or bush and you will end up with small end rattle...

Also advised is a new oil pump and pick up pipe..

... but then hopefully your guy knows this...

<tuffty/>
Click to expand...

thanks for the pointers tuffty,I will have a good look threw your thread mate

is there any special tools required or would a garage have most of the tools needed ?

the plan is to replace as much as possible like all gaskets,oil pump pick up pipe and such while the engine is out that's why the rods are getting done to as it would be a shame not to when the chance is there

i will give bill a ring tomorrow and explain what's getting done and he will know the parts I need to order from him
 
Do you have a budget btw?

I did mine on a bit of a budget, i say a bit because its still ****** expensive.
I sourced oem 9.5 comp pistons for mine, and all the rest that goes with it.
Had i another 5-600 quid, id have loved to taken the block to 83mm and got some high comp CP pistons or similar.

Something to consider.
 
superkarl said:
Do you have a budget btw?

I did mine on a bit of a budget, i say a bit because its still ****** expensive.
I sourced oem 9.5 comp pistons for mine, and all the rest that goes with it.
Had i another 5-600 quid, id have loved to taken the block to 83mm and got some high comp CP pistons or similar.

Something to consider.
Click to expand...

I could go to 2k but that's leaving me on the skin of my **** but desperate to get it back on the road mate,am I right in thinking its only rods that's needed for 400bhp ? As I would like to do it so I have some head room for further mods
 
Are you utilising your current turbo? K26??

Im not sure i follow with that question? Only rods needed for 400?

What i meant by my previous post is that, if your going to do it, even only rods, which will be atleast 1k, and thats assuming your mechanic is v friendly. Then you may aswell do what ever you can, its an investment in your hunger for power, so what you do with this build, can help you in the future should you want more power and change turbo.

Hell, ive not even finished mine and i kick myself for not going 83mm pistons, just so its done ready for anything else i might want to add years down the line. I.e. Stroker crank.
See What i mean.

If you just want your car back on the road asap with rods so you can enjoy what youve got, sure go ahead and do the basic minimum.
 
superkarl said:
Are you utilising your current turbo? K26??

Im not sure i follow with that question? Only rods needed for 400?

What i meant by my previous post is that, if your going to do it, even only rods, which will be atleast 1k, and thats assuming your mechanic is v friendly. Then you may aswell do what ever you can, its an investment in your hunger for power, so what you do with this build, can help you in the future should you want more power and change turbo.

Hell, ive not even finished mine and i kick myself for not going 83mm pistons, just so its done ready for anything else i might want to add years down the line. I.e. Stroker crank.
See What i mean.

If you just want your car back on the road asap with rods so you can enjoy what youve got, sure go ahead and do the basic minimum.
Click to expand...


It will be with the k26 for now mate ,what I mean if the engine gets sorted and get the rods done would be enough to support 400 with the right turbo injectors etc etc

Yeah I see what you mean mate but with the rods done the and with the k26 all else I would plan on doing is a custom map and leave it at that as I couldn't afford anything else for a long time

im wanting to do the basic minimum but also do what's sensible to while the engine is out like oil pump and pick stuff like that as tuffty said
 
With rods, bearings, rings and all the pumps n gaskets and what no then the motor should easily take 400hp and similar torques.
so you can be confident that what youre doing should last you. And of course will be a great basis should you ever change the k26 for something bigger.

Good luck with it anyway. Im sure everything will be sweet.
 
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superkarl said:
With rods, bearings, rings and all the pumps n gaskets and what no then the motor should easily take 400hp and similar torques.
so you can be confident that what youre doing should last you. And of course will be a great basis should you ever change the k26 for something bigger.

Good luck with it anyway. Im sure everything will be sweet.
Click to expand...

cheers pal,fingers crossed it will be all good :)
 
May be worth dropping dan (beachbuggy) a line and getting him to work his magic on yours as could probably extract a reasonable amount more out of it with a billet wheel and of coarse its cheapest and easiest to do whilst it's already out ;)
 
StaceyS3 said:
May be worth dropping dan (beachbuggy) a line and getting him to work his magic on yours as could probably extract a reasonable amount more out of it with a billet wheel and of coarse its cheapest and easiest to do whilst it's already out ;)
Click to expand...

as much as a would love to mate I couldn't afford it just now by the time I buy all the parts I need and hoping to have it back running for Monday morning fingers crossed
 
Got the car looked at today and one of the pistons has a hole in it my mate recons it's either melted a piston or dropped a valve part of the plug was smashed and metal from the plug has went into the cylinder,so I'm going to try get another engine
 
Not the best news to find out if you want it bk by Monday , good luck anyway mate
 
Sorry to hear about the car Robert. Im sure you will get it sorted out real soon, it be a shame not to see it running again. Drop me a pm when your up and running and i will give you some details of a very local meet with some of the others in our area that im going to organise. Fingers crossed for you. Will be strange when im passing by and the car nit sitting in its usual spot. :) x
 
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Sandra said:
Sorry to hear about the car Robert. Im sure you will get it sorted out real soon, it be a shame not to see it running again. Drop me a pm when your up and running and i will give you some details of a very local meet with some of the others in our area that im going to organise. Fingers crossed for you. Will be strange when im passing by and the car nit sitting in its usual spot. :) x
Click to expand...

it will be back eventually just keep a look out :) x
 
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