Jump to content
  • When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

my rebuilt head


Freddie

Recommended Posts

Figured I have made enough comments on the board, now I should share as well. My race head just came back from Morgan's Machine in Walnut Creek. It sucked a valve in the #2 hole and needed to be rebuilt. I also added a set of VAC rockers and VAC performance valves. The cam is a Schrick 316. All the maching and porting was done at Morgan's I'm super happy with the final product considering what it looked like when I gave it to them!

post-13713-13667596181197_thumb.jpg

post-13713-13667596182006_thumb.jpg

post-13713-13667596182795_thumb.jpg

post-13713-13667596183613_thumb.jpg

Link to comment
Share on other sites

Guest Anonymous
I also added a set of VAC rockers and VAC performance valves. The cam is a Schrick 316. All the maching and porting was done at Morgan's I'm super happy with the final product considering what it looked like when I gave it to them!

Your head with new valve gear looks too pretty to run! I have a few questions.

I am not familiar with the rockers. What are they made of? There appears to be a hex head fastener on the edge of the rocker that meets the cam lobe. Does this mean the shoe or surface that contacts the cam is serviceable/replaceable? Are they rollers or just stationary? Is there not a danger of the fastener loosening so that you might loose the contact area? The stock rockers appear to be friction fit, but I have never thrown one.

What is the composition of the locking stops on the rocker shafts? How are they superior to the stock washer/spring combination other than they look much nicer ?

Thank you.

Link to comment
Share on other sites

The rocker arms are made of aluminum, and the pad is replaceable. The rocker is not a roller rocker, its the same as the stock rocker but much improved. Vac sells the pads for defferent cams(stock, reground, Schrick, ect.). There is no danger of the adjustment coming loose, Porche has used it for years and I've been told at high rpm they hold the clearance longer. I usually have to chase the valve lash at the track, adjusting the valves at leat twice a day with the stock rockers. The rocker locks are aluminum and I use them because at high rpm the rocker arm can walk down the rocker shaft against the stock spring.

Link to comment
Share on other sites

The spring retainer failed(pulled the valve locks through the center). After pulling apart found three more spring retainers about to let go. I was using titainium retainers from Crower(that were for a VW), the retainers had about 5.5 hours on them from new before they let go! I'm back to stock BMW locks and retainers, they have never let me down!

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • BMW Neue Klasse - a birth of a Sports Sedan

    BMW Neue Klasse - a birth of a Sports Sedan

    Unveiling of the Neue Klasse Unveiled in 1961, BMW 1500 sedan was a revolutionary concept at the outset of the '60s. No tail fins or chrome fountains. Instead, what you got was understated and elegant, in a modern sense, exciting to drive as nearly any sports car, and yet still comfortable for four.   The elegant little sedan was an instant sensation. In the 1500, BMW not only found the long-term solution to its dire business straits but, more importantly, created an entirely new
    History of the BMW 2002 and the 02 Series

    History of the BMW 2002 and the 02 Series

    In 1966, BMW was practically unknown in the US unless you were a touring motorcycle enthusiast or had seen an Isetta given away on a quiz show.  BMW’s sales in the US that year were just 1253 cars.  Then BMW 1600-2 came to America’s shores, tripling US sales to 4564 the following year, boosted by favorable articles in the Buff Books. Car and Driver called it “the best $2500 sedan anywhere.”  Road & Track’s road test was equally enthusiastic.  Then, BMW took a cue from American manufacturers,
    The BMW 2002 Production Run

    The BMW 2002 Production Run

    BMW 02 series are like the original Volkswagen Beetles in one way (besides both being German classic cars)—throughout their long production, they all essentially look alike—at least to the uninitiated:  small, boxy, rear-wheel drive, two-door sedan.  Aficionados know better.   Not only were there three other body styles—none, unfortunately, exported to the US—but there were some significant visual and mechanical changes over their eleven-year production run.   I’ve extracted t
  • Upcoming Events

  • Supporting Vendors

×
×
  • Create New...