Another Edelbrock Victor Saga
#1835134
05/27/15 10:16 AM
05/27/15 10:16 AM
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B3RE
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Had a customer bring some Victors that needed a little valvetrain work. His engine builder wasn't getting anywhere by talking to the rocker manufacturer, and he remembered talking to me at Carlisle about this stuff. Easy fix, right? Uhhhh, NOT!
A picture is worth a thousand words, they say. Here are several.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835140
05/27/15 10:33 AM
05/27/15 10:33 AM
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Ok, I'll just make up a kit and get it corrected, right? Nope, the engine builder would rather have stands made. Additionally, T&D uses a .750" shaft, so with the .120" offset needed to get the roller where it needs to be, elongating the holes in the shaft would weaken it too much. This is going to suck!
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835144
05/27/15 10:45 AM
05/27/15 10:45 AM
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B3RE
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Alright, throw it in the mill and start cutting off the stands, fill the bolt holes, weld, re-drill and tap, heli-coil, cut a keyway, and add additional support screws for the three center stands. Then grab some 6061T6-511 bar and start making new stands.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835145
05/27/15 10:52 AM
05/27/15 10:52 AM
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Ok, get it all together and, CRAP! The roller is too far inboard. It would run, but I don't like it. Neither does the engine builder. Time to make another set of stands.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835148
05/27/15 10:56 AM
05/27/15 10:56 AM
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A better pic of the roller placement.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835149
05/27/15 10:56 AM
05/27/15 10:56 AM
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Joined: Aug 2009
Posts: 1,318 Ohio
jlatessa
pro stock
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Is the 1.7 ratio a contributing factor?? Or T&D's design?
Joe
Last edited by jlatessa; 05/27/15 10:58 AM.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835153
05/27/15 11:04 AM
05/27/15 11:04 AM
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The sweep across the valve was right where it was supposed to be for a .718" net lift roller cam. The offset just needed an adjustment.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: jlatessa]
#1835155
05/27/15 11:09 AM
05/27/15 11:09 AM
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It has nothing to do with the rocker design or ratio. It is the location of the fulcrum centerline, aka. shaft centerline, that determines the proper geometry. Every engine will need a specific location for the shaft for its combination. The factory location will only be correct for a factory spec engine. Change anything, and it will need to change also.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: MR_P_BODY]
#1835156
05/27/15 11:10 AM
05/27/15 11:10 AM
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Final numbers were .290" up, and .085" offset.
Good to see you back again, Mike! I hope you're doing well!
Last edited by B3RE; 05/27/15 11:26 AM. Reason: Forgot my manners :-)
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835163
05/27/15 11:17 AM
05/27/15 11:17 AM
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Here is a completed head. There is plenty of clearance for the spring and retainer. Even though it looks close from a profile shot, you can't see the relief in the rocker that would allow another .100" in spring diameter.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: BradH]
#1835174
05/27/15 11:32 AM
05/27/15 11:32 AM
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Not my Victors, but I'm still interested in this thread.
Is that combination going to need valve cover spacers now? He has pretty tall fabbed valve covers, so I doubt it. The real problem is side clearance. Edelbrock raised the rail on these heads, but they went straight up instead of on the incline of the valve, and that crowds the tail end of the rocker. You definitely couldn't use a cast cover.
Mike Beachel
I didn't write the rules of math nor create the laws of physics, I am just bound by them.
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835196
05/27/15 12:15 PM
05/27/15 12:15 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
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Not my Victors, but I'm still interested in this thread.
Is that combination going to need valve cover spacers now? He has pretty tall fabbed valve covers, so I doubt it. The real problem is side clearance. Edelbrock raised the rail on these heads, but they went straight up instead of on the incline of the valve, and that crowds the tail end of the rocker. You definitely couldn't use a cast cover. On my SB stuff I have to use reverse lip valve covers and still have to notch the lip of the cover and the gasket to clear
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Re: Another Edelbrock Victor Saga
[Re: B3RE]
#1835220
05/27/15 01:06 PM
05/27/15 01:06 PM
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Joined: Jan 2003
Posts: 2,155 Tucson, Arizona
clonestocker
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B3RE,
Love your threads and you did some work for a buddy in Tucson. My question would be wouldn't a shorter valve help the situation out? I'm sure the valve lift has something to do with the length of valve that can be used? Just curious. thx matt
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