Post #1
what are the bigst cams i can run on standard internals
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displaying posts 1 to 14 of 14
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 309btcc
**DODGY SELLER**  Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
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 Posted 3rd Jun 2010 at 02:00
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Rich E
Forum Admin Location: Hertfordshire Registered: 27 Apr 2005 Posts: 7,757 Status: Offline |
Post #2
Kent PT81's if the head hasn't been skimmed, but you'll need to time them up carefully to make sure you don't exceed the maximum lift available at TDC.________________________________________ Rich |
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Posted 4th Jun 2010 at 00:27
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rallyeash
Seasoned Pro  Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #3
have a search and you will see there isnt much cam choice available with standard pistons and without taking the head off you arent sure if it hasnt had a skim. Get some decent pistons in there and do it right  ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 4th Jun 2010 at 01:51
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #4
expensive tho ash and big job i just wana get pt81s and btcc inlet and remap pedro did that and got 215bhp that is enuf for me |
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Posted 4th Jun 2010 at 01:57
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #5
309btcc wrote: expensive tho ash and big job i just wana get pt81s and btcc inlet and remap pedro did that and got 215bhp that is enuf for me  you wont see 215 from those mods! unless you have rollers set up for pub talk ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 4th Jun 2010 at 02:01
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #6
really pedro rekons he did and the car is a rocket destroys type rs etc |
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Posted 4th Jun 2010 at 02:03
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #7
iirc btcc inlets are designed for high powered engines and no good on standard (ish) lumpsa set of cams and a remap from say chipwizards may see you in the mid 180's. ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 4th Jun 2010 at 02:07
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #8
ohh hmmm i dont get how his car can be that quick ten on just that ?? |
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Posted 4th Jun 2010 at 02:10
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #9
as Daveyboy found IIRC, a BTCC inlet will lose some torque midrange, they were made to suit sustained high revs with long duration cams, not what you'd find from a mildly modified road engine. you'd be much better off retaining a 100% standard inlet manifold, OR getting a proper set of throttle bodies. best bet if you can't afford a decent set of pistons is to have the cutouts made deeper, Martin (CRF450) and sandy brown can get this done. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 4th Jun 2010 at 02:12
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #10
do i have too take the pistons out for that |
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Posted 4th Jun 2010 at 02:13
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rallyeash
Seasoned Pro Location: Devizes Registered: 11 Dec 2006 Posts: 4,424 Status: Offline |
Post #11
yupif you stick a set of cams in an unknown engine the pistons can eaasily be kissing the valves, you probably wont even notice for a while but you will soon find out! costing you more in the long run. if you are looking at having your standard pistons machined best to pick up another set, have them done and swap them over. all can be done without removing the engine if needs be. ________________________________________ 230 hp 2.1 16v XU 205 rallye on jenveys Project thread here309 3dr K20 Type R |
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Posted 4th Jun 2010 at 02:23
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309btcc
**DODGY SELLER** Location: england Registered: 07 Jul 2009 Posts: 530 Status: Offline |
Post #12
thanx ash |
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Posted 4th Jun 2010 at 02:30
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #13
I have a good set of standard pistons out of a 60 thousand miler Chris, £50 and they are yours.________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 4th Jun 2010 at 05:06
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jeffers
Forum Admin Location: Leeds Registered: 14 Dec 2003 Posts: 3,702 Status: Offline |
Post #14
309btcc wrote: expensive tho ash and big job i just wana get pt81s and btcc inlet and remap pedro did that and got 215bhp that is enuf for me Dennis has machined pistons and PT81's in his track car and is managing about 195 horses, can't see the inlet making 20 horses, especially after seeing Jims inlet lose power.....  ________________________________________ 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 4th Jun 2010 at 05:33
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