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well, its a start *updated w/ pics*
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clay
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Joined: 24 Nov 2002
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Location: South Carolina
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1972 Chevrolet Nova

PostPosted: Wed May 11, 2011 11:20 pm    Post subject: Reply with quote

Yep. What I was thinking about wasn't that pretty but exactly the same idea and function. I liked it because at the time I still had rubber motor mounts and I couldn't get to anywhere convenient like a motor plate, etc. to brace the blower and it's design was totally self contained so to speak. Clay
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I have done so much with so little for so long, I can now do anything with nothing.
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10sec.et
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Joined: 29 Mar 2006
Posts: 3472
Location: Houston,Texas
346624.78 points


1969 Oldsmobile Cutlass

PostPosted: Sat Jun 11, 2011 12:31 am    Post subject: Reply with quote

made a bit more progress and did a quick mock-up. i still need to make some spacers.









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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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Knarley Darley
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PostPosted: Sat Jun 11, 2011 4:32 am    Post subject: Reply with quote

Mad skills right there is all I can say. How long til it runs?
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10sec.et
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Joined: 29 Mar 2006
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Location: Houston,Texas
346624.78 points


1969 Oldsmobile Cutlass

PostPosted: Sun Feb 19, 2012 2:05 am    Post subject: Reply with quote

got the idler pulleys finished up and running with the SC. i still need to make a tensioner. the one thats on there now is just for testing.






looks like my one way roller pulley works



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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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clay
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Joined: 24 Nov 2002
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Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Mon Feb 20, 2012 1:16 pm    Post subject: Reply with quote

NEED SOUND!!!!! The first time I fired mine up with the blower open I couldn't believe how much air it moved at a fast idle. Clay
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Paul P
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Location: Townsend, Mass.
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1971 Chevrolet Chevelle

PostPosted: Tue Feb 21, 2012 2:29 pm    Post subject: Reply with quote

Sounds good!

Clay turn your speakers on....

Really looks to be a nice solid setup.

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2001 Focus 2.0 Zetec
15.63@87 MPH 1/4mi
1971 - Chevelle 408 SBC N.A.
6.95@98.6 MPH 1/8mi
10.97@121 MPH 1/4mi
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clay
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1972 Chevrolet Nova

PostPosted: Tue Feb 21, 2012 2:55 pm    Post subject: Reply with quote

Well, first I have to be smart enough to know they weren't pictures and links to video - never even tried clicking on them....... Embarassed . Now I'll say - Sounds really cool!! Clay
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af2
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1933 Willys Coupe

PostPosted: Tue Feb 21, 2012 6:39 pm    Post subject: Reply with quote

Can't wait to see it plumbed and working. Great job!!
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10sec.et
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1969 Oldsmobile Cutlass

PostPosted: Fri Mar 30, 2012 11:21 pm    Post subject: Reply with quote

i cut up a air-to-air intercooler and made it air-to-water. its going under the dash where the heater/ac box was. i still have to weld fittings on my heat exchanger. im using a Honda Civic radiator for that.






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clay
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Joined: 24 Nov 2002
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Location: South Carolina
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1972 Chevrolet Nova

PostPosted: Sat Mar 31, 2012 10:35 pm    Post subject: Reply with quote

I believe I'd have had to buy a chinese air/water intercooler and modify it. That's a LOT of work you did. Looks good and no doubt it's a custom fit. Are you planning on measuring air temps before and after? I have some information on the Powerstroke air/air but I haven't taken any readings on my chinese air/air yet. I've got to get off my but and do some more stuff and your build is helping to get me motivated. Keep the pics coming - I love it. Clay
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10sec.et
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Location: Houston,Texas
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1969 Oldsmobile Cutlass

PostPosted: Sat Mar 31, 2012 11:36 pm    Post subject: Reply with quote

i cut this one up because i already had it. i thought about selling it and buying/modifying an A-W but it would have been about as much work to get it like i want it. definitely going to check before and after temps and pressure too.

BTW, i found a couple small aluminum "tanks" for my vac/pressure BRPV. i just need to pick up that Toyota VSV. i could always borrow the one off the wifes truck but if i screw it up, she will be pissed Shocked Embarassed

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10sec.et
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Location: Houston,Texas
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1969 Oldsmobile Cutlass

PostPosted: Sun Apr 28, 2013 7:05 pm    Post subject: Reply with quote

been a long time but it appears i have got my BRPV functioning. i did it a bit differently than most. with some help from Clay and research from other places, i came up with an external control that switches vacuum and pressure.

using the external port on the metering plate, i plugged the power valve port through the throttle plate and drilled a passage into the PV cavity. i wanted to do it this way so i could use an unmodified PV and not have to rework a bunch of stuff inside the carb. im horrible at remembering to take pictures so, if it doesnt make sense, you will have to ask.

im using two solenoids, one nitrous solenoid for the pressure (normally closed) and a normally open solenoid, i got from McMaster Carr, to control the vacuum. i have a pressure tank, regulated to 35 psi and the vacuum source is my vac pump im using for the brakes. the solenoids turn on with a hobbs switch in the bonnet at 3 psi boost.

heres a few pics to get an idea....









unfortunately, i didnt make it to the track for further testing. i decided i would try to power brake it just long enough to build a little boost and get a quick read on the afr. well...... afr did fatten up a bit when the power valve opened but as soon as boost started to build, it ripped both rear caliper brackets off of the rear axle.....








note to self...dont use cheap brake caliper brackets Embarassed Head Bang

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clay
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Location: South Carolina
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1972 Chevrolet Nova

PostPosted: Sun Apr 28, 2013 8:05 pm    Post subject: Reply with quote

Well if it's gonna happen, in the driveway is about as good a place as it can happen. Get ready for all sorts of questions about what you've got going on on the side of the carburetor. I can't tell you how many times people think I'm somehow spraying nitrous through my carburetor since I use NOS fuel solenoids to control my powervalves. Very cool on another approach to controlling the powervalves. Clay
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Paul P
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Location: Townsend, Mass.
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1971 Chevrolet Chevelle

PostPosted: Sun Apr 28, 2013 8:45 pm    Post subject: Reply with quote

Shocked
That is really a shocker for the brake brackets. They should never break off. I'm sure you will engineer something that won't next time with your talent.

So these are just controlling the carbs reference to vacuum or boost without modifying it? Is that correct? Cool

_________________
2001 Focus 2.0 Zetec
15.63@87 MPH 1/4mi
1971 - Chevelle 408 SBC N.A.
6.95@98.6 MPH 1/8mi
10.97@121 MPH 1/4mi
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af2
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Location: grassvalley, ca
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1933 Willys Coupe

PostPosted: Sun Apr 28, 2013 9:59 pm    Post subject: Reply with quote

Bolt the caliper brackets to the axle flange...

I am so glad you didn't find out on the top end.
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