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Author Subject: PT81's, BTCC inlet and management
JWP EFi

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Post #1
looking for 200 bhp, i spoke to a specialist based in the south of england and was told this is very acheiveable
Anyone care to comment?
Posted 9th May 2013 at 21:20
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #2
"BTCC INLET" LOL.

maybe.


repost.

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Bring on the Trumpets.

Posted 9th May 2013 at 21:21
JWP EFi

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Post #3
I dont know much about N/A tuning but from what ive learned the 'BTCC' style inlet allows for more air flow. Apparantly the inlet was a cheat for the touring cars back in the day.
Posted 9th May 2013 at 21:27
bigbadbowen

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Post #4
welshpug! wrote:
"BTCC INLET" LOL.

maybe.


repost.


And that's funny because ?
Posted 9th May 2013 at 21:27
JWP EFi

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Post #5
bigbadbowen wrote:
welshpug! wrote:
"BTCC INLET" LOL.

maybe.


repost.


And that's funny because ?


i wondered exact same
Posted 9th May 2013 at 21:28
bigbadbowen

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Post #6
T99PUG wrote:
I dont know much about N/A tuning but from what ive learned the 'BTCC' style inlet allows for more air flow. Apparantly the inlet was a cheat for the touring cars back in the day.


Correct, but there is a very specific way to do this and it's not cheap No
Posted 9th May 2013 at 21:28
JWP EFi

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Post #7
care to enlighten me chris?
Posted 9th May 2013 at 21:29
bigbadbowen

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Post #8
It's how it's opened up and then remove all the trumpets from inside then put back together. It's done so you would never know it had been.

It costs about £300 to have done I think Dunno
Posted 9th May 2013 at 21:33
JWP EFi

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Post #9
daveyboy did this not too long ago, 300 quid sounds quite fair given the ammount of labour involved but i do happen to know an engineer that is keen to learn about this malarky
Posted 9th May 2013 at 21:35
bigbadbowen

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Post #10
I think it's cut open along the seam then excess metal removed from within. It's then carefully put back together so as not to be obvious it's been done
Posted 9th May 2013 at 21:39
JWP EFi

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Post #11
daveyboy's pics shows you all you need to know to know re how to do it
so the btcc 306 really was cheating then???
Posted 9th May 2013 at 21:41
eddy_gti6

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Post #12
Then you will want a different throttle body and air box Wink Also if your planning on pocketed pistons go for PT84's may aswell go all out Wink

Kent Cams

Speak to pete_rallye, he has the yellow one below Wink



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Posted 9th May 2013 at 22:04
bigbadbowen

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Post #13
T99PUG wrote:
daveyboy's pics shows you all you need to know to know re how to do it
so the btcc 306 really was cheating then???


They all bend the rules dude Thumbs up
Posted 9th May 2013 at 22:08
JWP EFi

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Post #14
eddy - 84's wont work with original valve gear, not for long anyway
bbb, there are a few cheats about...

anyway, is it really worth fitting a touring style inlet? dont mind doing it as long as i can actually feel the gains
Posted 9th May 2013 at 22:18
daveyboy

aka Jim Davey

Location: Southampton

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Post #15
Ill say for a fact it doesn't work as a stand alone modification. It needs the modified or replacement pistons (preferably high comp) and decent cams to match.

________________________________________

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
Posted 9th May 2013 at 22:28
daveyboy

aka Jim Davey

Location: Southampton

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Post #16
Would your southern England specialist be Brett Simms by the way? And if you want a manifold I'd be happy to make another.

________________________________________

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
Posted 9th May 2013 at 22:30
JWP EFi

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Post #17
if i do this i will be pocketing my standard cast pistons to allow optimal timing of 81s, management wise i'm pretty much sorted. i have seen a coupe of people on here are a couple of ponies away from 200 brake so would like to think that with good ecu (and yes, proper mapping) i can crack my goal
Posted 9th May 2013 at 22:33
JWP EFi

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Post #18
daveyboy wrote:
Would your southern England specialist be Brett Simms by the way? And if you want a manifold I'd be happy to make another.


no. they specialise in pugs and carry out performance tuningUnsure
clues are there
Posted 9th May 2013 at 22:35
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #19
ahh that well known race and rally engine builder with many class wins and championships to their name...

________________________________________

need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 9th May 2013 at 22:37
JWP EFi

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Post #20
welshpug! wrote:
ahh that well known race and rally engine builder with many class wins and championships to their name...

Wink i know
Posted 9th May 2013 at 22:38
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #21
Ah...I'll get my coat...

________________________________________

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
Posted 9th May 2013 at 22:46
JWP EFi

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Location: edinburgh

Registered: 07 Mar 2010

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Post #22
really, that bad?
I'm assuming if mr Simms recommended touring inlet then it would be worth it, yes/no?
Posted 9th May 2013 at 22:49
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #23
Don't bother with PT 81s fit the 82s and get some Wossners under there. You'll need the extra compression to make high lift/long overlap cams work anyway, so do yourself a favour and don't skimp on the job.

________________________________________

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
Posted 9th May 2013 at 22:50
JWP EFi

Turbo Legend!

Location: edinburgh

Registered: 07 Mar 2010

Posts: 2,163

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Post #24
this summer's project is no longer car, its an engine
tbf, ive not looked into 82's, what are approx expected gains with afore mentioned mod's?..i hate that word
Posted 9th May 2013 at 22:57
bigbadbowen

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Post #25
T99PUG wrote:
this summer's project is no longer car, its an engine
tbf, ive not looked into 82's, what are approx expected gains with afore mentioned mod's?..i hate that word



Solid lifters for starters

Posted 9th May 2013 at 22:59

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