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rocker offset?Victor RB heads.GOOD NEWS! #1375408
01/25/13 01:15 PM
01/25/13 01:15 PM
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northern,Ohio,USA
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Clanton Offline OP
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I am attempting to check for the correct rocker offset on my Edelbrock Victors with std port size with a std .250 offset rocker and std pushrod length I know!To do this I braught the cam to full lift [intake]to lengthen the pushrod enough to ingage with the rocker adj ball/pushrod cup and slide them over to contact the pushrod with the head and measure the gap from the rocker side to the rocker shaft perch,bolt and the result was a .500 gap on the side of the rocker.I would need a .800 offset rocker [indy head offset] so wrather than machine the head to clear the pushrod should I get the larger offset and did I check it correctly?Ideas?
Thank you for you help!

7560853-Picture721.jpg (210 downloads)
Last edited by Clanton; 01/26/13 04:45 PM.

GOTBOOST!New improved with Victor heads.
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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375409
01/25/13 01:18 PM
01/25/13 01:18 PM
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7560857-Picture713.jpg (246 downloads)

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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375410
01/25/13 01:27 PM
01/25/13 01:27 PM
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LaRoy Engines Offline
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On the last set of Victors I did, it appeared that Edelbrock has attempted to make clearance for a 1.5 ratio, .650" offset rocker and a centered lifter. I was using .650"/1.6 rockers, 3/8 pushrods and offset lifters and had to do some clearancing on BOTH the intake and exhaust. It appeard to me that if I used the Max Wedge offset of .725" that there would need to be even more clearance grinding.

Re: rocker offset?Victor RB heads. [Re: LaRoy Engines] #1375411
01/25/13 01:44 PM
01/25/13 01:44 PM
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Clanton Offline OP
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Quote:

On the last set of Victors I did, it appeared that Edelbrock has attempted to make clearance for a 1.5 ratio, .650" offset rocker and a centered lifter. I was using .650"/1.6 rockers, 3/8 pushrods and offset lifters and had to do some clearancing on BOTH the intake and exhaust. It appeard to me that if I used the Max Wedge offset of .725" that there would need to be even more clearance grinding.



Thanks for the reply!I dont understand with the MW offset how you would need more clearancing if the pushrod is more centered in the hole. I am using centered solid roller lifters.


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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375412
01/25/13 02:29 PM
01/25/13 02:29 PM
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Interesting thread! I am really thinking these heads are a bigger pita than they are worth.


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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375413
01/25/13 02:49 PM
01/25/13 02:49 PM
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I suppose that Edelbrock may put the pushrod hole in a different place when they machine the Max Wedge Victor, I personally do not know, as I've only used the standard Victors and ported them out to Max Wedge.

Re: rocker offset?Victor RB heads. [Re: LaRoy Engines] #1375414
01/25/13 02:57 PM
01/25/13 02:57 PM
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Clanton Offline OP
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Quote:

I suppose that Edelbrock may put the pushrod hole in a different place when they machine the Max Wedge Victor, I personally do not know, as I've only used the standard Victors and ported them out to Max Wedge.



I don't have the maxwedge victors.#77929


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Re: rocker offset?Victor RB heads. [Re: tboomer] #1375415
01/25/13 03:00 PM
01/25/13 03:00 PM
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Clanton Offline OP
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Quote:

Interesting thread! I am really thinking these heads are a bigger pita than they are worth.



The pushrod ,rocker are the only thing I have had to do anything with.


GOTBOOST!New improved with Victor heads.
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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375416
01/25/13 03:03 PM
01/25/13 03:03 PM
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Delray beach, Florida
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Performance Only Offline
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Quote:

I am attempting to check for the correct rocker offset on my Edelbrock Victors with std port size with a std .250 offset rocker and std pushrod length I know!To do this I braught the cam to full lift [intake]to lengthen the pushrod enough to ingage with the rocker adj ball/pushrod cup and slide them over to contact the pushrod with the head and measure the gap from the rocker side to the rocker shaft perch,bolt and the result was a .500 gap on the side of the rocker.I would need a .800 offset rocker [indy head offset] so wrather than machine the head to clear the pushrod should I get the larger offset and did I check it correctly?Ideas?
Thank you for you help!




I put the Harland Sharp rockers on them (.650 offset) and use an offset lifter. If there's any clearancing it is very, very minor. I'll never understand why some people think doing a little clearancing for pushrods is too much trouble. There seems to be about three different rocker offsets of the three major brands and at two or three different offsets on lifters depending on brand. There is no "one size fits all" for many of the engine components we end up using.


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Re: rocker offset?Victor RB heads. [Re: tboomer] #1375417
01/25/13 03:09 PM
01/25/13 03:09 PM
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Quote:

Interesting thread! I am really thinking these heads are a bigger pita than they are worth.




Naw, I very much like them, and anyone I do a set for, I just automatically make sure they have pushrod clearance for their rocker ratio, pushrod diameter and lifter offset. It's not a big deal.

Re: rocker offset?Victor RB heads. [Re: LaRoy Engines] #1375418
01/25/13 03:21 PM
01/25/13 03:21 PM
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Clanton Offline OP
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How bad would it be to just go with the more offset on the rocker and maybe a thicker pushrod if it needed it for that reason?
edit:don't get me wrong I will get the head done to clear the pushrod/offset but if HS makes a offset for Indy .800 how much worse is it?I won't rev the engine past 7k 650# open psi spring.

Last edited by Clanton; 01/25/13 03:55 PM.

GOTBOOST!New improved with Victor heads.
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Re: rocker offset?Victor RB heads. [Re: Clanton] #1375419
01/25/13 08:16 PM
01/25/13 08:16 PM
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glendora, ca.
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Deepockets Offline
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if you get crazy with the offset on the rockers, it eill increase the side load on the lifters. with the roller set up .650 offset works great and .180 offset on the lifter is the way too go.


Re: rocker offset?Victor RB heads. [Re: Deepockets] #1375420
01/25/13 08:25 PM
01/25/13 08:25 PM
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Clanton Offline OP
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Quote:

if you get crazy with the offset on the rockers, it eill increase the side load on the lifters. with the roller set up .650 offset works great and .180 offset on the lifter is the way too go.





That is some good information thanks!Did you have to do head clearencing also?With the test I did I don't know if I can take enough out of the port.

Last edited by Clanton; 01/25/13 08:28 PM.

GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/
Re: rocker offset?Victor RB heads. [Re: Clanton] #1375421
01/25/13 08:40 PM
01/25/13 08:40 PM
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glendora, ca.
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Deepockets Offline
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here's another

Re: rocker offset?Victor RB heads. [Re: Deepockets] #1375422
01/25/13 08:44 PM
01/25/13 08:44 PM
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glendora, ca.
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Deepockets Offline
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the clearancing is no big deal. just going to take a few times of pulling the heads on and off. also a light set of spring on the heads will sure help during the mock up.

Re: rocker offset?Victor RB heads. [Re: Deepockets] #1375423
01/25/13 08:47 PM
01/25/13 08:47 PM
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glendora, ca.
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one more.

Re: rocker offset?Victor RB heads. [Re: Deepockets] #1375424
01/25/13 08:50 PM
01/25/13 08:50 PM
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Temperance, MI
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So you have to use an offset lifter period?

Re: rocker offset?Victor RB heads. [Re: prochargedhemi] #1375425
01/25/13 09:11 PM
01/25/13 09:11 PM
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glendora, ca.
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Deepockets Offline
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you don't have to, but adviseable if you have rollers.

Last edited by Deepockets; 01/25/13 09:14 PM.
Re: rocker offset?Victor RB heads. [Re: prochargedhemi] #1375426
01/25/13 09:16 PM
01/25/13 09:16 PM
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okla.
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i hope my hughes rockers fit when they show up next week.

Re: rocker offset?Victor RB heads. [Re: sam64] #1375427
01/25/13 10:46 PM
01/25/13 10:46 PM
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I am using .650 offset hughes 1.7 rockers and .180 offset lifters as well.

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