The Cal-look Lounge

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

JPM. the best out there. ;)

this guy?

www.jpmotorsport.se

cheers andy

Yes ... Johannes Personns (the JP of JPM)
He's the Man.

I use his cam in my engine. Very nice!

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...

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

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?

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

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

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

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

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  ;)
 
--- 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

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%

well we will soon find out cam is here  8)

(http://i71.photobucket.com/albums/i149/gluemixer/42891d4e.jpg)

cheers andy

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

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

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

next year i wil be there when my cars finished  ;D

cheers andy

hahahahahahahaha this timenext year it will be in bits having improvements done as you will have a load more ideas to do ;D ::) ;)

i cant afford to start messing about again unless i bolw it up   ::) the beach buggy is next on the list see if we can get that to run 10s lol

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