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Author Topic: turbo cams  (Read 9232 times)
Andy Sykes
Hero Member
*****
Posts: 1203



« on: June 11, 2011, 19:48:40 pm »

hi first of all this may have been done to death but i couldnt find much using the search,
currently my longblock was set up for N/A at 9.5:1 i have decreased this to 8:1 when i fitted the T04B but since im going bigger and putting a lot of time into the car im going to split the case and change the cam

basic spec is

2332cc
denham heads (og castings) welded and ported
cb case
DTA EFI
NOS
intercooled
water injection

turbo spec as follows

Compressor Wheel Inducer - 65.0mm

Compressor Wheel Exducer - 92.0mm

Turbine Wheel - 83mm

T4 Twin Scroll  .90ar


what cam would you guys go for and is it worth going to roller cam?

cheers andy
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volkskris
Sr. Member
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Posts: 456



« Reply #1 on: June 11, 2011, 21:00:27 pm »

JPM. the best out there. Wink
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Andy Sykes
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Posts: 1203



« Reply #2 on: June 11, 2011, 21:30:24 pm »

this guy?

www.jpmotorsport.se

cheers andy
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
TexasTom
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Posts: 1518


12.58@106, 7.89@89 Texas Motorplex 10/18/09


« Reply #3 on: June 13, 2011, 02:57:08 am »

Yes ... Johannes Personns (the JP of JPM)
He's the Man.
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Work, work, WORK!

Modesty accepted here ...
Ragtop
Sr. Member
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Posts: 385


8.93 at SCC 2012


WWW
« Reply #4 on: June 13, 2011, 11:14:22 am »

I use his cam in my engine. Very nice!
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Turbo Town "Home of the overboost addicts"
Neil Davies
Hero Member
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Posts: 3438



« Reply #5 on: June 13, 2011, 14:37:04 pm »

I know Matt Keene (All Torque on here) uses a JPM cam in his wasserboxer, and picked up a load of horsepower. He'll probably chime in with what exactly he did, but if I'd got a motor of your spec, I'd certainly be looking at JPM. Not cheap though...
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2007cc, 48IDFs, street car. 14.45@93 on pump fuel, treads, muffler and fanbelt. October 2017!
StrokerMcDell
Full Member
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Posts: 123


« Reply #6 on: June 13, 2011, 18:40:37 pm »

Copy of email from Johannes when I enquired about price.
Ive decided not to go to all the extra expense and just get a WebCam 86B on 112 lc

I think i read somewhere that Matt originally ran a WebCam custom 86B/86C which was replaced by the Raptor.


Hello,

JPM01012T

 Matched lifters, brake in oil and paste are included in the kit.
Raptor cam kit is 4995sek or aprox £454pound, custom is £635pound.
Shipping to UK aprox 33pound.
 
Thanks
Johannes
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10.67 @ 123mph York 2010
10.89 @ 125mph York 2009
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BeetleBug
Hero Member
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Posts: 2836


Snabba grabben...


« Reply #7 on: June 13, 2011, 19:50:37 pm »

Ive decided not to go to all the extra expense and just get a WebCam 86B on 112 lc

I think i read somewhere that Matt originally ran a WebCam custom 86B/86C which was replaced by the Raptor.

Did you decide not to buy a Raptor even though you have read about Matt and his experience? Did you miss the fact that without changing anything but the cam he dyno`d a lot more HP?

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10.41 - 100ci - 1641ccm - 400hp
Andy Sykes
Hero Member
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Posts: 1203



« Reply #8 on: June 13, 2011, 20:19:19 pm »

thanks guys ive been in contact with johannes today hes has my info so we will see tmw but looks like this is the way forward
cheers andy
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
StrokerMcDell
Full Member
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Posts: 123


« Reply #9 on: June 14, 2011, 13:24:26 pm »

Ive decided not to go to all the extra expense and just get a WebCam 86B on 112 lc

I think i read somewhere that Matt originally ran a WebCam custom 86B/86C which was replaced by the Raptor.
Did you decide not to buy a Raptor even though you have read about Matt and his experience? Did you miss the fact that without changing anything but the cam he dyno`d a lot more HP?

Nope, I didnt miss any of that.

Without doubt Johannes' cams are extremely good ,
I just dont need (or for that matter can I afford) a cam that will make 450hp when all I NEED is 400hp.

I think there are too many guys out there who feel the need to go balls out on everything !

If it was a custom grind WebCam 86b / 86c ( and i'm not sure if it was ) then I'm not surprised he got a better result with a different cam !!

regds
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ACE 116
10.67 @ 123mph York 2010
10.89 @ 125mph York 2009
Momentum 99octane pump gas
Andy Sykes
Hero Member
*****
Posts: 1203



« Reply #10 on: June 19, 2011, 16:57:16 pm »

Johannes has got back to me today with his recomendation

"JPM01712T should be very suitable for your combo.
It has 258deg at 0.05", 9.57mm cam lift and 113deg LC"

so its on its way soon

cheers andy
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
mrmut
Newbie
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Posts: 42


« Reply #11 on: June 30, 2011, 17:43:17 pm »

basic spec is

2332cc
denham heads (og castings) welded and ported
cb case
DTA EFI
NOS
intercooled
water injection

turbo spec as follows

Compressor Wheel Inducer - 65.0mm

Compressor Wheel Exducer - 92.0mm

Turbine Wheel - 83mm

T4 Twin Scroll  .90ar




what cam would you guys go for and is it worth going to roller cam?

in - FK8\ ex - FK7   for street race , hot street race in - VZ30\ ex - VZ25
in - FK89\ ex - FK87 for Drag , for Drag Racing in - VZ35\ ex - VZ25

any of these cam. Lobe Centar 112deg or 114deg
« Last Edit: June 30, 2011, 19:47:44 pm by mrmut » Logged
markvo
Newbie
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Posts: 43


« Reply #12 on: July 03, 2011, 11:14:24 am »

What does the car weigh with you in it, gears, rpm range wanted? race car or........
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mrmut
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Posts: 42


« Reply #13 on: July 03, 2011, 20:12:02 pm »

What does the car weigh with you in it, gears, rpm range wanted? race car or........

In my opinion the more rpm the more horsepower.
I would go like this.....
Beginning of 2500 maybe 3000 rpm to 6500 rpm Street Racing Car....
From 3000-3500 to 7500 - 8000 Drag Race Car........

How would you bullets.

(1,600cc x 5500rpm x10,5CR)\910=101.5HP
(1,600cc x 6500rpm x10,5CR)\910=119.9HP
(1,600cc x 7500rpm x10,5CR)\910=138.4HP
(1,600cc x 8500rpm x10,5CR)\910=156.9HP This looks at Honda VTEC VTI  Wink
 
--- Always leave more horsepower


In my opinion here would look like this

1Bar - boost
8:1 CR
8x(1+1)=16 Real compression  (16:1)CR

                                             

(2.332x6500x16)/910=266HP  According to experience  310HP
(2.332x7500x16)/910=307HP  According to experience  358HP
(2.332x8000x16)/910=328HP  According to experience  382HP

Whenever possible horsepower
« Last Edit: July 03, 2011, 20:25:14 pm by mrmut » Logged
markvo
Newbie
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Posts: 43


« Reply #14 on: August 01, 2011, 20:30:54 pm »

So very wrong mrmut
I doubt you tripled your horsepower with 1 bar of boost, at best double
If you double the compression from 8 to 16 to 1 you would only gain about 25.4% gain in power NOT the same as boost either!
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mrmut
Newbie
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Posts: 42


« Reply #15 on: August 01, 2011, 20:52:10 pm »

So very wrong mrmut
I doubt you tripled your horsepower with 1 bar of boost, at best double
If you double the compression from 8 to 16 to 1 you would only gain about 25.4% gain in power NOT the same as boost either!

1Bar - boost
8:1 CR
8x(1+1)=16 Real compression  (16:1)CR


I think with T4

turbo spec as follows

Compressor Wheel Inducer - 65.0mm

Compressor Wheel Exducer - 92.0mm

Turbine Wheel - 83mm

T4 Twin Scroll  .90ar


We will achieve these results

(2.332x6500x16)/910=266HP  According to experience  310HP
(2.332x7500x16)/910=307HP  According to experience  358HP
(2.332x8000x16)/910=328HP  According to experience  382HP

You would grsham.
Prove to me your claim of 25.4%
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Andy Sykes
Hero Member
*****
Posts: 1203



« Reply #16 on: August 10, 2011, 21:46:42 pm »

well we will soon find out cam is here  Cool



cheers andy
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
Airspeed
Hero Member
*****
Posts: 593



« Reply #17 on: August 12, 2011, 22:00:22 pm »

Andy,
Please sell 1 lifter and get a normal camera. Your phone is meant to just call, obviously not making pictures  Wink
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Andy Sykes
Hero Member
*****
Posts: 1203



« Reply #18 on: August 12, 2011, 22:09:45 pm »

Andy,
Please sell 1 lifter and get a normal camera. Your phone is meant to just call, obviously not making pictures  Wink

my poor iiphone has had a hard life if i didnt keep spending money cars i would buy a new one lol
Logged

I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
BeetleBug
Hero Member
*****
Posts: 2836


Snabba grabben...


« Reply #19 on: August 12, 2011, 22:20:10 pm »

Andy and Walter, will I have the pleasure meeting you both in a week at SCC? You should come to get some turbo inspiration  Smiley
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10.41 - 100ci - 1641ccm - 400hp
Andy Sykes
Hero Member
*****
Posts: 1203



« Reply #20 on: August 13, 2011, 20:22:05 pm »

Andy and Walter, will I have the pleasure meeting you both in a week at SCC? You should come to get some turbo inspiration  Smiley

next year i wil be there when my cars finished  Grin

cheers andy
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
dannyboy
Hero Member
*****
Posts: 1169



« Reply #21 on: August 13, 2011, 21:56:47 pm »

hahahahahahahaha this timenext year it will be in bits having improvements done as you will have a load more ideas to do Grin Roll Eyes Wink
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8.77@156.8mph 
O/FF 60
......
Andy Sykes
Hero Member
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Posts: 1203



« Reply #22 on: August 13, 2011, 22:08:33 pm »

i cant afford to start messing about again unless i bolw it up   Roll Eyes the beach buggy is next on the list see if we can get that to run 10s lol
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I love the haters they make me famous.

im building this not just putting parts together, they are two totally different things

Your only here once turn it up to 11
markvo
Newbie
*
Posts: 43


« Reply #23 on: October 02, 2011, 22:30:39 pm »

Do some calculating on here! www.wallaceracing.com/Calculators.htm
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