displaying posts 1 to 10 of 10

Author Subject: PT81's
roberts_306

Senior User

Location: Halesowen

Registered: 21 Nov 2007

Posts: 789

Status: Offline

Post #1
Not sure what to do with my car, I have Jenvey 45's on with OMEX 600, was thinking about fitting some PT81 cams before I have my map tweeked on the rolling road.

What kind of power would I possibly get?

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Posted 19th Aug 2011 at 02:39
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #2
190 ish maybe, have you got machined pistons though? as that will be a deciding factor in being able to set the cam timing properly.

depends on the inlet manifold too, ost wil give similar peak but many have something to be desired mid range.

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Posted 19th Aug 2011 at 02:47
swiftyboi006

Seasoned Pro

Location: Maidenhead

Registered: 12 Apr 2010

Posts: 2,110

Status: Offline

Post #3
I think ul be seeing more of 220bhp, tb's cams and a decent zorst and ecu with the rite map ul see this.

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Posted 19th Aug 2011 at 03:34
jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

Status: Offline

Post #4
swiftyboi006 wrote:
I think ul be seeing more of 220bhp, tb's cams and a decent zorst and ecu with the rite map ul see this.

I reckon ur not far off, however as previously pointed out u will need pocketed pistons to properly time pt81's, speak to Denis (Russian guy) he's running pocketed pistons and pt81's and about 194bhp on a roughly standard inlet setup and I know having been in it that rallye is rapid!

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Posted 19th Aug 2011 at 05:50
roberts_306

Senior User

Location: Halesowen

Registered: 21 Nov 2007

Posts: 789

Status: Offline

Post #5
Hmmm seems like a good way to go then. It has no cat and a full Magnex 3" Exhaust, also the engine has hardly got any miles on it approx 30-40k i reckon.

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Posted 19th Aug 2011 at 11:54
swiftyboi006

Seasoned Pro

Location: Maidenhead

Registered: 12 Apr 2010

Posts: 2,110

Status: Offline

Post #6
Get some forged pistons and cons aswell a decent map could put you up to 250, yanni on here had cams, homemade r1 TB's and im sure he made 230.

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cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 19th Aug 2011 at 12:18
dav1

Regular

Location: leek/staffs

Registered: 20 Jun 2011

Posts: 312

Status: Offline

Post #7
ha, on the way to 250 with pt81's don't think so. you will need bigger cams for that.

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230bhp 205 gti6
Posted 19th Aug 2011 at 13:04
roberts_306

Senior User

Location: Halesowen

Registered: 21 Nov 2007

Posts: 789

Status: Offline

Post #8
I am looking for about 200 Bhp so anything about that would be a bonus

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www.pugsport-racing.co.uk
Posted 19th Aug 2011 at 14:51
swiftyboi006

Seasoned Pro

Location: Maidenhead

Registered: 12 Apr 2010

Posts: 2,110

Status: Offline

Post #9
Well maybe not 250 but yani made 234 with standard pistons standard ecu with no map

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cherry p1.....SOLD (regreting this)
blaze p2.....why did i buy this SOLD
Black p3 Love
Posted 5th Sep 2011 at 20:39
roberts_306

Senior User

Location: Halesowen

Registered: 21 Nov 2007

Posts: 789

Status: Offline

Post #10
Looks like cams are on the Xmas list

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www.pugsport-racing.co.uk
Posted 5th Sep 2011 at 21:41

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