I'll have to look at my dyno info to see if they captured vacuum. If not, is there a way to guess roughly by cam specs? Just thinking I would want to install the booster before the engine is running. I already picked up a new "mini" booster to clear my valve covers, but I have heard those don't perform as well as the factory sized ones. Hindsight, I'm thinking a hydroboost might have been the better choice.

Thanks for the help.

-Matt

At 02:56 PM 12/19/2005, you wrote:
Anything below 12" of vacuum is probably starting to get a little shaky.
Clint Hooper
H&H Custom,owner
1969 El Camino ProTourer
2001 H-D FLHR custom bagger
http://dalesplace.com/misc/friends/clint/clint_hooper.htm
----- Original Message -----
From: "Matthew Post" <[EMAIL PROTECTED]>


> When is a cam big enough to benefit from hydroboost?  Or I guess another
> way to ask this is when is manifold vacuum too low to operate a power
brake
> booster?  Just curious.
>
> -Matt
>
> At 12:30 PM 12/19/2005, Mike Holleman wrote:
> >Thanks Ed, The hydroboost works unreal. Check em out at
www.hydroboost.com.
> >Mike
>


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