Post #26
Porting the standard head is a more expensive route from what I understand________________________________________
'01 Astor Grey GTi6'99 Cherry Rallye
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displaying posts 26 to 48 of 48
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| Author | Subject: xu7jp4 rebuild |
 asim_pug306
Senior User  Location: Bradford Registered: 26 Aug 2009 Posts: 933 Status: Offline |
'99 Cherry Rallye |
 Posted 7th Mar 2010 at 00:31
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dragoon
Seasoned Pro  Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #27
but the best option apparently..xsi head would be the cheapest option I guess (or keep the standard 1.8 head with 6-bits and a remap... also lowest gain probably..) ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I  this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh  |
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Posted 7th Mar 2010 at 00:46
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joevts
Senior User  Location: barnsley Registered: 21 May 2008 Posts: 608 Status: Offline |
Post #28
anybody want a 1.8 head to mess about with? i've got one going spare. make me an offer. |
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Posted 7th Mar 2010 at 01:37
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karazu
Junior User Location: Londrina Parana Brasil Registered: 21 Feb 2008 Posts: 59 Status: Offline |
Post #29
anyone have a good ideia how to remap 1.8 ecu?mine is sagem? I know... trow it away... but what other ecu I will put there? gti6 unlocked? anyone? thanksss |
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Posted 8th Sep 2010 at 09:31
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asim_pug306
Senior User Location: Bradford Registered: 26 Aug 2009 Posts: 933 Status: Offline |
Post #30
Thread revival. Any update on your progress dragoon________________________________________ '01 Astor Grey GTi6'99 Cherry Rallye |
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Posted 8th Sep 2010 at 16:10
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #31
@ karazu, the sagem is indeed worthless, i've got a bosch which should be remap-able according to local chiptuners@asim: can't be arsed to do the rebuild, none local that are willing to do/help with the rebuild and I'm far from skilled enough myself. Already spent too much on the car, not willing to do so anymore. And I need my car daily! (may reconsider when I can afford a second car again) Currently has 6 manifold/exhaustsystem and it's going to stay with that, sold all my other parts already  Only remaining plans are the bmc cda, an alloy crank pulley and a remap. ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 8th Sep 2010 at 20:56
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karazu
Junior User Location: Londrina Parana Brasil Registered: 21 Feb 2008 Posts: 59 Status: Offline |
Post #32
What bosch ecu are we talking abouth?I was wondering if just trading the minfolds and remap would give me at last 20hp more... (that would be fine for me...) I will have to find that ECU and buy from UK, in Brazil thats going to make me mad, and crazy and I will never find it. So.. if anyone can help me!=D |
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Posted 8th Sep 2010 at 21:30
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #33
normal 1.8 16v ecu... the one that came with my car lol(but my spare lump has a sagem ecu sadly) ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 8th Sep 2010 at 23:50
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #34
doesnt mtter wht the spre lump hs, its the one in the cr tht mtters. keydord fil!!________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 9th Sep 2010 at 00:02
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #35
lol I know, but if it was a bosch he could buy one of me  and get a new keyboard  ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 9th Sep 2010 at 00:46
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #36
- thread revival -not really planning this anymore, but I was pondering about this today and I'm sure some of you can enlighten me the xu10j4rs head should be plug and play on the xu7jp4, but the one has a 86mm bore while the latter has a 83mm bore, wouldn't this provide, erm, 'incompatibilities'? (thinking of this because I came up with the idea of replacing a mates broken xu10j4rs header with a ported xu7jp4 one, since we're having a hard time finding a gti6 engine) sorry for the noob-question, but I'm sure this is the only place I'll get an acceptable/usable reply ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 4th Feb 2012 at 21:21
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #37
mei? phillip? anyone? :p________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 6th Feb 2012 at 22:11
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #38
its fiiine not measured the combustion chambers, but they seal fine. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 6th Feb 2012 at 22:44
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #39
so it's possible to use a xu7jp4 head on a xu10j4rs?cool, thanks once again ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
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Posted 7th Feb 2012 at 18:35
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mrdeey
Regular  Location: nearerthanuthink Registered: 14 Feb 2011 Posts: 200 Status: Offline |
Post #40
Just a thought ,if the 1.8 is a strong and reliable lightweight lump , how would it cope with a low boost s/c setup and what sort of power gains ? They are 112bhp as standard I think ?________________________________________ now new booted , boosted and flying again! |
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Posted 11th Feb 2012 at 11:37
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #41
dragoon wrote: so it's possible to use a xu7jp4 head on a xu10j4rs? cool, thanks once again yup, would need extensive port work but valve sizes are fine of course. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th Feb 2012 at 13:23
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #42
mrdeey wrote: Just a thought ,if the 1.8 is a strong and reliable lightweight lump , how would it cope with a low boost s/c setup and what sort of power gains ? They are 112bhp as standard I think ? should work well, would benefit from different cams and port work, Ash ran a 1600 crank in an mi16 block using a later xu head and a supercharger. though likely to be a long way removed component wise, the WRC engines in the Xsara and 206 were based on the XU7 with special 85mm liners and an 88mm crank. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th Feb 2012 at 13:25
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mrdeey
Regular Location: nearerthanuthink Registered: 14 Feb 2011 Posts: 200 Status: Offline |
Post #43
does that mean the engine mountings etc were the same then (wrc engines), and would fit straight in ? on the port work , the guru rich-w , does not recomend any on low or high boost on the xu10 lumps , so is the head that poor on the xu7and would still need work for charging ? what sort of power did ash achieve? ________________________________________ now new booted , boosted and flying again! |
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Posted 11th Feb 2012 at 13:50
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #44
standard xu7 uses same engine mounts yes, WRC variants are likely to be quite different, good luck finding one of those XU7 inlet ports are quite a lot smaller than the XU10, not sure what power ash achieved as a 1600, but there's a few n-a rally builds in the high 100's quite easily. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th Feb 2012 at 14:07
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mrdeey
Regular Location: nearerthanuthink Registered: 14 Feb 2011 Posts: 200 Status: Offline |
Post #45
interesting so , am i right in thinking xu10 head on xu7 block and boost it ? with a map ,on low boost 220 - 235 bhp ? and all from a much lighter block , any idea what the weight difference is ?________________________________________ now new booted , boosted and flying again! |
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Posted 11th Feb 2012 at 17:42
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #46
roughly 17 kilos, what sandy posted about them is quite interesting, due to the piston+rod+stroke geometry the piston speeds at a given RPM are quite a bit lower than the 1.9 and 2.0 engines, iirc this engine would see the same piston speed at 8k that the others see at 7.2k.http://forum.205gtidrivers.com/index.php?showtopic=74214&st=0 ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 11th Feb 2012 at 18:12
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #47
The head of the XU7 is good, but has very small ports - that makes it great for careful head re-working as it gives you more room to alter the shape and transition of the ports.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 11th Feb 2012 at 18:25
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #48
specifically the inlet ports, exhausts are fine apparently ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 12th Feb 2012 at 09:58
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