wow!!!! u got it and put it on in warp speed my man. tell us about the driving characteristics. Any lag with that unit?

 

thanks , it rides great , not much lag, has 8 lbs by 2500 rpm....
the torque is very impressive...

 

we need a videoooooooooooooooooo!!!!

 

http://www.youtube.com/watch?v=EaebFfW9x3U

 

Looking at you dyno I dont see where the 625 hurt you. Your power keeps going up. You have a 44 deg over lab 99/102 centerline.
The over lab could be a little less but the centerline 104/106 that would help. You need more boost ten pounds That would help.


Another thing take that muffler off and run a dump pipe it will make more power to much back psi. I know it may be louder but it will make more power. The turbo alone will make enufff back psi it does not need more. Looks good and sound good. Good luck with it.

 

thanks for the imput frank but i think the overlap is killing it , the hp is down from where it should be..
after doing alot of research im going to stick some andrews 32s in there...
i attached an SAE dyno sheet that is more clear...

 

When I look at your dyno I see a problem with the tune. Your afr table with auto tune. Thats lean all they way to 3800 rpm.

Question what do the heads flow???? 275/290/300 cfm Plus....


Look at the Feuling 574 or 630 cam. This would be a better cam for your motor and turbo. I attch the sheet. I picked the 574 / 630 for your size motor with high flow heads and all that compression you have. The Andrews 32 exhaust duration is to low. It would work better on a roots style blower not a turbo. The problem you have you did not build this motor for a blower.

Just as you don't want a high static compression with a turbo / supercharger you don't want a long-duration big-overlap camshaft either. Since the incoming air is under pressure the intake valve opens as the mixture rushes into the cylinder. If the exhaust valve is open a portion of the air/fuel mixture will be pumped out of the exhaust system by the supercharger. In general terms, a camshaft with less than 250 degrees duration (measured at 0.053 inch lift) will work well. Camshaft overlap should be minimized with lobe centers in the area of 112-115 degrees. Many street-blower cams are ground on a dual-pattern profile to allow the exhaust more duration than the intake (with the intake closed). This is because the blower pumps more air/ fuel mixture into the cylinder on the intake stroke but the exhaust needs to exit on its own so the exhaust duration is increased.

Just my 2 cents for doing this for over 10 years.

Here is good web site so you can understand.
http://www.turbobygarrett.com/turbob...tech102.html#b


Well good luck..............

 

how are the fueling cams as far as noise goes ?
my tman 625s are very noisy and even worse now because the bikes much quieter with the turbo...
ultimately im going to build a 9:1 motor
which of those fueling cams would you put in your bike with a turbo ?
whats the overlap look like with those cams ?

 

I posted the specs in the attch above and they are very very quiet.
Your motor is 103?

 

yes its a 103
i dont have flow numbers on the heads but they work pretty good they supported 122/121 at 10.75:1 at 5000 ft elevation...
they are ported 110+ screamin eagle heads..
so which one the 574 or 630 ?