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-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   prochargers and boost (https://www.offshoreonly.com/forums/general-q/302970-prochargers-boost.html)

GPM 09-16-2013 07:12 PM
[QUOTE=mike tkach;3996896]
Originally Posted by GPM (Post 3996850)

heads are dart 355 cnc cam is hyd roller,i cant remember the specs on duration,lift is around .650,the cams are not off the shelf peices.the hp numbers i posted were at 6000 rpm,as we took it to 7000 numbers went up but im proping for 6000 to 6200 rpm so 7000 rpm numbers dont matter.
Sounds like a nice running motor !

MILD THUNDER 09-16-2013 07:15 PM
[QUOTE=GPM;3996962]
Originally Posted by mike tkach (Post 3996896)

Sounds like a nice running motor !
Those whippled 588's coupled to the SSM 6 dry sumps, really put ya in your seat! I can tell ya that first hand.

GPM 09-16-2013 07:59 PM
I'm sure

Turbojack 09-16-2013 08:45 PM
Originally Posted by FIXX (Post 3996867)
Smitty...lets say you were cruisen and the tach was at 5k ands 12 lbs of boost with 93 octane fuel,,would you think the intercooler would be able to sustain a cool temperature with out causing detonation?
When I had the procharger intercooler I would run with the fast data logger going. At 10 lbs of boost and at least 88 degree lake water the intake temp keep going up the longer I stayed in it. Most I stayed in it was maybe couple of minutes since I would run out of room before I had to back down. I remember seeing it go up to 150 degree temps.

mike tkach 09-16-2013 08:57 PM
Originally Posted by Turbojack (Post 3997038)
When I had the procharger intercooler I would run with the fast data logger going. At 10 lbs of boost and at least 88 degree lake water the intake temp keep going up the longer I stayed in it. Most I stayed in it was maybe couple of minutes since I would run out of room before I had to back down. I remember seeing it go up to 150 degree temps.
do you think the cooler core was getting heat soaked?

Black Baja 09-17-2013 06:07 AM
540 gm heads 9.5:1 9lbs 865hp cam change 7lbs 900hp. @ 9lbs it was pulling timing. That was with m3sc intercooled. If I can get the money together for a decent drive ill let you know what a brodix bb2xtra hand ported head 598 will do on about 15lbs. Till then it's gonna be a n/a motor :-(

GPM 09-17-2013 03:41 PM
[QUOTE=Black Baja; If I can get the money together for a decent drive ill let you know what a brodix bb2xtra hand ported head 598 will do on about 15lbs. Till then it's gonna be a n/a motor :-([/QUOTE]

With the right cam, intake and headers about 1400.

Black Baja 09-17-2013 05:38 PM
Originally Posted by GPM (Post 3997517)
With the right cam, intake and headers about 1400.
Yeah that's what I built it for but spent all my money on the motor and no sense in destroying an xr. So it's just gonna have to wait.

FIXX 09-17-2013 06:00 PM
Originally Posted by mike tkach (Post 3997055)
do you think the cooler core was getting heat soaked?
G who was talking about that yesterday?????? huh huh huh ..pat on the back...i told ya so lol..na na na na

MILD THUNDER 09-17-2013 06:19 PM
Originally Posted by FIXX (Post 3997583)
G who was talking about that yesterday?????? huh huh huh ..pat on the back...i told ya so lol..na na na na
NO WAY! Those intercoolers are magical! You can run 40psi on 87 octane if you have one!


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