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A Day at the dyno

Posted By RB 14 Years Ago
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Y block Billy
Posted 14 Years Ago
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Royce,

I knew that was a conventional Y, I was just being a little sarcastic since you have a few LYB's. That is quite a great idea running those scrub hillborn's, should make for some cheaper avenues and more power than the originals. and they look much better on a Y anyway.

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?

RB
Posted 14 Years Ago
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Billy, This is a Ford Y block. Lincoln is physically bigger with a conventional port layout. Think 351 W vs 390 as physical size reference



Yes, I used the fuel pump mount to attach a breather.. No sense in cutting original T Bird valve covers. Also the dyno operator is able to easily measure ring seal by using just one vent.



Original Hilborns are mounted in line with the engine and use 2 throttle shafts per side. They are rare expensive and kind of small for a healthy engine. I modified a scrub system and mounted it crosswise. I had to fabricate a manifold to achieve this. The scrub uses 2 3/16 throttle bores where the orginal y block injector uses about 1 3/4
Y block Billy
Posted 14 Years Ago
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Royce, Your an ace!

Couple questions? Is that a YB and not an LYB? what is with the breather in the fuel pump opening and how come some setups I have seen the stacks are in a row, are all the Y block hilborn's side by side like that for the ports or are there differen't styles or do they just turn them sideways for small blocks. and last but not least, will we see this at columbus?

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?

RB
Posted 14 Years Ago
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Seems I am a dunce here someone give me a refresher
marvh
Posted 14 Years Ago
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Barry:

Here is the link

http://www.youtube.com/watch?v=HGq0udWwXBA

Barry L
Posted 14 Years Ago
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 Royce   Once again, I'm unable to access the vid. Can someone help me out and make this a clickable link?   Yes, I know,  I have my own copy of it.....I just want to make sure everyone can see and hear the action.  Barry L
RB
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Here is a link to the video of the best pull at last weeks dyno session

Ran it up to 7000 rpm and made 462 horse and 421 torque

Thanks Barry L for recording it..I was too hyper to run a camer

http://www.youtube.com/watch?v=HGq0udWwXBA

Moderator edit: link fixed by adding a space behind it.

Barry L
Posted 14 Years Ago
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Royce   E-mail me and I'll forward the video. Had a good day....thanks. barry11@mts.net    Barry L.
RB
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Frank I ran an Autolite 124s I normally run AR 32 or 33 but they were backordered.



Jepito, The secondary bypass on my systen uses a can with a poppet valve that releases pressure at about 40 lb. It is timed with a hole in the spool to dump pressure at a specific throttle opening corresponding to 2-3000 rpm. Once the spool moves past that hole then the bypass is deactivated and the system gets full pressure.. To set my barrel valve. I use a leakdown tester and adjust the arm on the barrel valve to where I get about 10% leakdown. Then I start the engine and adjust the barrel valve to a clean idle.. Then I adjust richer until there is no stumble when you whack the throttle
jepito
Posted 14 Years Ago
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one thing to try is a stumble valve from Engler. It's like a poppet that is backwards. Bleeding off fuel in low rpm until the pressure rises and then closing. This would allow a smaller pill so you don't get lean up top. The spool should only be controlling part throttle.


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