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| Author | Subject: achieving 200 bhp |
 welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #101
I haven't yet as it happens, I haven't been down that way for a while!Car isn't running at the moment anyway, I was intending to get it onto bodies but I don't know if I can be arsed to do that now and just get it on the road first. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
 Posted 28th Mar 2013 at 19:49
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markylee
Regular  Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #102
Whats people thoughts on oversize pistons and a rebore or pocket pistons |
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Posted 28th Mar 2013 at 21:06
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #103
Depends what your regs say, if theres no capacity limit i would bung s 92mm xud11 crank in with custom pistons at 87mm bore, stick with mild cams and std inlet and i guess you'd see 200odd easily but lots more torque.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 28th Mar 2013 at 21:13
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #104
welshpug! wrote: where will i find a xud11 crank and what custom pistons do you suggest Depends what your regs say, if theres no capacity limit i would bung s 92mm xud11 crank in with custom pistons at 87mm bore, stick with mild cams and std inlet and i guess you'd see 200odd easily but lots more torque. |
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Posted 28th Mar 2013 at 22:12
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hovis16
Seasoned Pro  Location: Reading/parts for sale Registered: 21 Nov 2008 Posts: 4,304 Status: Offline |
Post #105
welshpug! wrote: I haven't yet as it happens, I haven't been down that way for a while! Car isn't running at the moment anyway, I was intending to get it onto bodies but I don't know if I can be arsed to do that now and just get it on the road first. Lazy ass! Come on get on with it. One thing i've noticed is how much nicer it pulls in every gear. And the idle noise haha ________________________________________ Ph2 Black GTI 6!EX black 6 owner But now a Black caged rallye owner Hunting for Go faster bits! SEARCH click here |
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Posted 29th Mar 2013 at 15:45
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #106
skint ass bike mechanic!________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 29th Mar 2013 at 16:32
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #107
Hi all does anybody know if this is the crankshaft I need on ebay item number 320942918837, cheers in advance.Sorry should've said is this what I need for my 306 gti6 rebuild |
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Posted 29th Mar 2013 at 20:08
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #108
anyone know |
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Posted 30th Mar 2013 at 18:23
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #109
Ok this is what I shall be sourcing for the rebuild. please tell me what you think.88mm crank from 1.9td and new bearings Rebore oversize standard pistons machined down by 1mm lightened and balance existing con rods lightened fly wheel and crank pulley Skimmed head?????? 4-2-1 manifold Cams, not sure which yet, any advice would be appreciated So thats my list, tell me what you think. First gti6 rebuild ever so will gladly take on board any advice, cheers |
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Posted 1st Apr 2013 at 18:43
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JWP EFi
Turbo Legend!  Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #110
you don't 'have' to skim your head unless its warped, i believe 0.25mm is the max allowable ammountyou won't find oversize standard cast pistons, will have to be forged or if your brave then it is possible to fit pistons from another engine, i think theres a guy on here who is running Nissan 300 zx items Cam wise, if you stick with stock pocketed pistons then PT81's are as wild as you can safely go but if you do end up going forged then you'll be able to go for hotter profile |
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Posted 1st Apr 2013 at 20:28
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #111
T99PUG wrote: Cheers mate I shall leave the head unskimmed, mmm pistons gonna have to bite the bullet and get forged, that just made my wallet lighter, If I do get forged pistons what about rods and what camshafts can I then have. Sorry for all thw questions but really wanna get this right you don't 'have' to skim your head unless its warped, i believe 0.25mm is the max allowable ammount you won't find oversize standard cast pistons, will have to be forged or if your brave then it is possible to fit pistons from another engine, i think theres a guy on here who is running Nissan 300 zx items Cam wise, if you stick with stock pocketed pistons then PT81's are as wild as you can safely go but if you do end up going forged then you'll be able to go for hotter profile |
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Posted 1st Apr 2013 at 20:50
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #112
well, this is the thing, if you've got proper pistons that will allow for aggresive cam profiles, now we will need to start raising the rev limit to achieve the potentials of cams, so forged rods would be a very wise upgrade. |
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Posted 1st Apr 2013 at 21:01
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #113
T99PUG wrote: Cheers mate thats a grand. but I suppse if you're gonna do it, might aswell do it properly well, this is the thing, if you've got proper pistons that will allow for aggresive cam profiles, now we will need to start raising the rev limit to achieve the potentials of cams, so forged rods would be a very wise upgrade. |
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Posted 1st Apr 2013 at 21:13
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #114
markylee wrote: Also how much am I going to gain from a 1.9td crank. If I keep standard crank, there'll be no need to machine pistons T99PUG wrote: Cheers mate thats a grand. but I suppse if you're gonna do it, might aswell do it properlywell, this is the thing, if you've got proper pistons that will allow for aggresive cam profiles, now we will need to start raising the rev limit to achieve the potentials of cams, so forged rods would be a very wise upgrade. |
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Posted 1st Apr 2013 at 21:17
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #115
grand, plus the cams. doesn't stop there though, your going to need uprated valve gear, management and mapping plus all the little things such as bearings, seals etc etcWhat is your goal btw? |
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Posted 1st Apr 2013 at 21:18
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #116
T99PUG wrote: my goal is as close to 200bph without braking the bank grand, plus the cams. doesn't stop there though, your going to need uprated valve gear, management and mapping plus all the little things such as bearings, seals etc etc What is your goal btw? |
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Posted 1st Apr 2013 at 21:22
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #117
ok, assuming your engine's in good order then why not pocket your pistons, PT81's or similar along with a chip wizards map. approx £1300 and that budget allows for big end shells, rings, head set, timing belt and water pump. If you have to pay someone for the labour then that figure will rise a fair bit |
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Posted 1st Apr 2013 at 21:27
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #118
I think thats gonna be more realistic as I can do the work except machining myself, cheers for the advice |
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Posted 1st Apr 2013 at 21:35
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markylee
Regular Location: benfleet Registered: 05 Jan 2011 Posts: 393 Status: Offline |
Post #119
T99PUG wrote: Sorry mate just 1 more question, if I pocket the pistons do you still advise pt81 or will i get more out of pt82's ok, assuming your engine's in good order then why not pocket your pistons, PT81's or similar along with a chip wizards map. approx £1300 and that budget allows for big end shells, rings, head set, timing belt and water pump. If you have to pay someone for the labour then that figure will rise a fair bit |
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Posted 1st Apr 2013 at 22:12
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jeffers
Forum Admin Location: Leeds Registered: 14 Dec 2003 Posts: 3,702 Status: Offline |
Post #120
markylee wrote: T99PUG wrote: Sorry mate just 1 more question, if I pocket the pistons do you still advise pt81 or will i get more out of pt82'sok, assuming your engine's in good order then why not pocket your pistons, PT81's or similar along with a chip wizards map. approx £1300 and that budget allows for big end shells, rings, head set, timing belt and water pump. If you have to pay someone for the labour then that figure will rise a fair bit Its not been done as I'm aware, u would I think need to get the pistons pocketed then dry build the engine and take some clearance measurements I would think, whereas PT 81's and Martins pocketed pistons is a tried and tested build.....  *edit* I suspect as well due to probable longer duration on the PT82 you'll need to raise the rev limit to get more power which then cause another problem as in how much the standard rods etc will take.... I'm personally building an engine at the min with pocketed pistons and PT81's because it's tried and tested so known to get close to 200 bhp. I'm combining that with bodies so hoping to go over a good bit. ________________________________________ Team Running Engine again!Team Negative Camber! My Budget track engine build thread! Now appearing at a Trackday near you!!  |
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Posted 1st Apr 2013 at 22:33
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #121
jeffers, when you bodies do you mean Jenveys or bike? i am slowly building up my turbo engine but i'm starting to like the the idea of n/a |
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Posted 1st Apr 2013 at 22:42
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jeffers
Forum Admin Location: Leeds Registered: 14 Dec 2003 Posts: 3,702 Status: Offline |
Post #122
T99PUG wrote: Mine are bike bodies, bit of an experiment really. I've modified a standard inlet manifold with an adapter plate to accept bike bodies instead of using silicone hoses to mount them. This should give me a reliable set up, whereas people who use silicone hoses to mount the bodies tend to find they're a bit unreliable I believe as in the silicone messes with the inlet pulses so they don't really run right. I'm solid mounting them to eliminate this. I hope to pick up the adapters this week so I'll do a good update on my engine build thread with some pictures to show what I've done. jeffers, when you bodies do you mean Jenveys or bike? i am slowly building up my turbo engine but i'm starting to like the the idea of n/a  ________________________________________ Team Running Engine again!Team Negative Camber! My Budget track engine build thread! Now appearing at a Trackday near you!! |
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Posted 1st Apr 2013 at 22:48
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fatlapit
Seasoned Pro  Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #123
t99pug dont give up!!!!!!!!!!!!!!!!!!!!!!!!!1________________________________________ |
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Posted 1st Apr 2013 at 22:48
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JWP EFi
Turbo Legend! Location: edinburgh Registered: 07 Mar 2010 Posts: 2,163 Status: Offline |
Post #124
fatlapit wrote: t99pug dont give up!!!!!!!!!!!!!!!!!!!!!!!!!1 hows your build coming along? looking forward to Takedown's end result, |
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Posted 1st Apr 2013 at 22:54
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #125
I doubt you can go PT82 as they have a tad over 2mm lift @ TDC.PT81's are 1.65 which isn't really safe in a standard engine, and there's only 1mm that can be taken out of the pistons safely to make those work. Whether 81's and a Satchell DCOE pattern inlet will get you 200 or not I'm not sure, I have seen a few engines on Newmans PH2's make over 200 though. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 1st Apr 2013 at 22:58
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