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BOV on a B2k?? thoughts please...

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SurfnSun

Guest
What are your thoughts on this guys? Would it beneficial? Would it be rice? Could it be done?
 
Joined
Jun 20, 2002
Messages
2,509
Location
Tallahassee, FL
Corvette
none right now :(
I was under the impression that blow off valves were only there to compensate for too much boost when the car isn't under a heavy, or full throttle condition... helps not to break stuff, and helps to not lean out the engine too much during shifts... If the B2K cars run fine without them, then there is no point that i can see.. They don't add boost or create more power.
 
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SurfnSun

Guest
If I understand correctly, they relieve all the boost when the gas is let off. Helps relieve internal stress on the engine. I kinda think they sound neat, I don't wanna be rice but they are functional and b2ks are fast so.......
 

EricVonHa

Well-known member
Joined
Feb 18, 2002
Messages
693
Location
Suburbia Phila
Corvette
'93 6-Speed & '87 Callaway
If you're accelerating and you release the throttle, the fully spooled up turbo effectively is now pumping against a closed path. No where to flow and the turbo becomes somewhat stalled. If a blowoff valve is added, this allows the turbo to spin on it's own accord.

Adding them to a Callaway? Man, that's gonna require some fabrication! Most of the turbo plumbing in the Callaways is hard tubing joined with sleeves and clamps. If I had to do it? I would pull the intercoolers and install it on the vertical inlet pipe to the intercooler adjacent to the valve covers. There seems to be a good 4-5" there for some gizmo or another.
 

turbocat

Well-known member
Joined
May 1, 2002
Messages
53
Location
eureka ca usa
Corvette
1953, 1988 Callaway,1990 Callaway 1966 convertible
bov

put a bov on my Callaway. The bov is in the middle of the rams horn where the extra injectors used to be. I could do this because I have a mini-ram modded for 16 iinjectors.
 
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SurfnSun

Guest
Turbocat, would you post pics of that? BTW what rwhp is that thing laying down?
 

turbocat

Well-known member
Joined
May 1, 2002
Messages
53
Location
eureka ca usa
Corvette
1953, 1988 Callaway,1990 Callaway 1966 convertible
Picture of my setup without the bov is on the tpis website . 500 rwhp 580 rwtq . a/f 9.5 at wot! so I'm still tuning.
 
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SurfnSun

Guest
Ive seen that pic before, but can't seem to locate it on their site anymore. Never noticed the BOV. Those are some impressive numbers....get your a/f ratio figured out and :crazy that thing will be crazy!!!!!
 

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