Big ratio rockers

Dan Ruddock · Posted: Mon Sep 29, 2014 9:52 am Post subject: Big ratio rockers

Yesteryear there were more rockers available in the 1.5 to 1.6 range. The Sig Ersons are gone, Pauter made their 1.6 ford rockers and berg had the 1.54 and that's all that come to mind. Sig also made a rare 1.65 rocker.

I would like to get a set of big ratio set of rockers that are reasonably priced, any ideas out there? Are some that are available now bigger than advertised?

Dan

mark tucker · Posted: Mon Sep 29, 2014 2:03 pm Post subject:

they come in all sorts of raitos. I have some 1.5,1.6,1.7,1.9,2.1. the trick is to make sure everything gets along well togeather.as for the rocker being for a vw.....not nessary.it is nice when things just bolt on with little or no alteration, but whats the fun in that? Cool

vwracerdave · Posted: Mon Sep 29, 2014 2:06 pm Post subject:

Berg is now making their 1.45 ratio rockers again, No other sizes are listed. http://www.thesamba.com/vw/classifieds/detail.php?id=1686098
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Dan Ruddock · Posted: Mon Sep 29, 2014 4:07 pm Post subject:

Yes already seen the new bergs but I think they are not made by berg and not in my budget. I am thinking of just going with some sigs out of the samba classifieds. Anybody know what the actual ratio is on the sigs verses the advertised.

Dan

raul arrese · Posted: Mon Sep 29, 2014 5:48 pm Post subject:

Didn't i sell you a set dan ??

Dan Ruddock · Posted: Mon Sep 29, 2014 6:15 pm Post subject:

woodsbuggy · Posted: Mon Sep 29, 2014 6:26 pm Post subject:

I have owned a couple different sets of the Sig rockers and pushrods but I was not impressed with the quality so I did not run them. Just my opinion.
Good Luck
Kenric
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Dan Ruddock · Posted: Mon Sep 29, 2014 6:34 pm Post subject:

neil68 · Posted: Mon Sep 29, 2014 9:08 pm Post subject: 1.6 ratio rockers

JPM makes some bullet proof 1.6 rockers, but they're expensive:
http://www.csp-shop.com/cgi-bin/cshop2/front/shop_...=&all=
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GTV · Posted: Mon Sep 29, 2014 9:11 pm Post subject:

bugguy1967 · Posted: Mon Sep 29, 2014 9:36 pm Post subject:

Doubt it. If it has JPM's name on it, I'm sure it's exclusive to them.

*Edit: I read the description. Those are theirs only, but they only work with their MS heads.

raul arrese · Posted: Tue Sep 30, 2014 5:46 am Post subject:

neil68 · Posted: Tue Sep 30, 2014 8:07 am Post subject: JPM ratio rockers

mark tucker · Posted: Tue Sep 30, 2014 10:24 am Post subject:

I have 2 sets of the old china 1.4's with needel bearings that check out at 1.56, Ill do something with them someday.... I ran 1 set on a fk8 for a short time,ran well but prings were right at the limit....more like a little past the limit,right to coil bind so it was a short time then back to the lower ratio before it killed somethen. Shocked

whatever raito you choose be sure the spring can handle it in real time checks, not math check. checl keeper clearance too.

Dan Ruddock · Posted: Tue Sep 30, 2014 10:59 am Post subject:

I might be interested in a set of those. What head casting gave you that big number? My heads are 040. I will be running a cam with .335 cam lift so things won't be at the limit but I will still check things.

Dan

yamaducci · Posted: Tue Sep 30, 2014 1:15 pm Post subject:

Dan, What is the purpose of the build? Short term life? Seems like you are asking for more guide/valve sideload issues the bigger you go.
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doug80 · Posted: Tue Sep 30, 2014 1:52 pm Post subject:

Are you guys sold on the Ratio/Cam set-up ? I talked to a prominate engine builder who claims he did extensive testing with ratio's on a Dino machine. the motor size was a 2276 and says he just could not produce the pony's, like other motors with 1:1 to 1. Now he don't even care for the 2276 says geometry messed up. I've seen the guy crank out some really impressive off-road motors.
But of course I just happen to have a 2276 W/ 1:4 to 1 Berg Rockers Crying or Very sad

I am having a problem with the serious lack of bottom end power Embarassed

Dan Ruddock · Posted: Tue Sep 30, 2014 4:49 pm Post subject:

Fiatdude · Posted: Tue Sep 30, 2014 4:59 pm Post subject:

There's only one type of rocker I use and it's Pauter

The advantage of going to an higher ratio rocker is you relieve a lot of the stress at the lifter (smaller lift there and at the cam) -- -- just go to the dual taper push rods and you're golden
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Bajaman65 · Posted: Tue Sep 30, 2014 7:34 pm Post subject:

I was digging around my old parts bin the other day and found a set of the Pauter 1.6 Ford Rocker from back in the early 1970's. I remember talking to Don about 18 years ago and showing him the rockers, he just laughed and said they didn't work out as well as they had hoped. I only use their Roller Rocker in my personal engine now.


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