Post #1
clickHappy to end the auction early for a sensible offer...
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Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2
Lap of the 'ring
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displaying posts 1 to 15 of 15
| Author | Subject: Longman btcc cylinder head |
 pete_rallye
Seasoned Pro  Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Happy to end the auction early for a sensible offer... Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
 Posted 13th Sep 2014 at 23:37
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daver6
Seasoned Pro  Location: Durham Registered: 08 Aug 2010 Posts: 2,379 Status: Offline |
Post #2
Hmm did they spend a long time on a flow bench or something? ________________________________________ Red Rallye - Rolling "restoration"Wishbone Polybushes available |
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Posted 14th Sep 2014 at 13:51
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #3
I would imagine when they were in development they did yes, by the time Longman retired I imagine he (or whoever did them) could do them with there eyes closed but that didn't stop Longman charging BTCC prices for them. Porting seems to be a strange thing, some people claim it takes days sitting at a flow bench and charge £k's, others do it by sight for a few hundred quid and there doesn't appear to be a noticeable difference in the finished product. I guess it depends a lot on how 'perfect' and equally matched you want each port to be. Think it's safe to say with this been a BTCC head it would be the latter... ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 14th Sep 2014 at 13:59
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bigbadbowen
Seasoned Pro  Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #4
A lot more work went into the heads other than just porting ! |
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Posted 14th Sep 2014 at 15:02
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daver6
Seasoned Pro Location: Durham Registered: 08 Aug 2010 Posts: 2,379 Status: Offline |
Post #5
Such as?________________________________________ Red Rallye - Rolling "restoration"Wishbone Polybushes available |
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Posted 14th Sep 2014 at 16:02
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,752 Status: Offline |
Post #6
Thinner valve guides , 3 angle valve seats, opening up the chambers, cleaning, adapting the heads to run solid lifters and lairs cams, full strip down / rebuild etc prob a whole host of other things |
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Posted 14th Sep 2014 at 16:33
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Tingtong117
Junior User  Location: Weston super mare Registered: 17 Dec 2013 Posts: 53 Status: Offline |
Post #7
How much are you after for it?You must have a rough price in mind? |
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Posted 16th Sep 2014 at 17:38
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #8
I'd like to see £100 for it. Got s**t loads of watchers on eBay though so might let it run and just see what it goes for... ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 16th Sep 2014 at 17:41
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edhunter
Regular  Location: Sofia Registered: 29 Nov 2009 Posts: 118 Status: Offline |
Post #9
Is it possible to use stock valves for this head ? |
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Posted 17th Sep 2014 at 20:35
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #10
Not sure is the honest answer. The valves it used are G+S valves, listed for a 405 MI16 here-http://www.gsvalves.co.uk/assets/recmastervalvecatalogue.pdf They are about £270 for an engine set which isn't bad at all. They are 0.5mm oversize so not much bigger than standard valves. I would personally say standard valves would be ok as long as they are cut to match the seats but wouldn't guarantee it... The stem size is standard. ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 17th Sep 2014 at 21:49
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,817 Status: Offline |
Post #11
Mi16 valve stems are bigger than a gti6, inlet valves are larger but exhaust valves smaller than gti6.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 17th Sep 2014 at 23:06
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #12
Ah well, that's what they are listed as, dunno what they are, probably first used in the 405 supertourers or something... stem sizes are definitely standard.________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 17th Sep 2014 at 23:09
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Rallyewoo
Newbie  Location: Portsmouth Registered: 17 Jun 2015 Posts: 33 Status: Offline |
Post #13
Did this sell?________________________________________ Kev |
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Posted 18th Jun 2015 at 07:50
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #14
The one listed above did sell but I have recently listed an identical one with similar damage. Search eBay and you'll find it. ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 18th Jun 2015 at 10:17
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Rallyewoo
Newbie Location: Portsmouth Registered: 17 Jun 2015 Posts: 33 Status: Offline |
Post #15
Ok cool________________________________________ Kev |
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Posted 18th Jun 2015 at 10:22
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