Any one have an answer? The stock cams have a designed valve lash of .014", the aftermarket and Chevrolet race cams lash is spec'd anywhere from .006" to...
Looks like #1890 needs a fuel pressure regulator. The standard fuel pressure I measure at the rail is 62lbs, I understand it should be closer to 39lbs. I...
Steven, Although I have never used or looked for one, Bosch part #0 280 160 200 is for a fuel pressure regulator for the 75-79 Volkswagon Beetle. The picture...
I have changed my #0653 over to Weber's. I have a regulator that works,not sure what a fair price is but you are welcome to it. Let me know if you want it, ...
Hi, been away for awhile and can't seem to get on the CVOA site to access the flow bench results. Could it be that I've forgotten my password? Is there a way...
Hello Pete, Thanks for the offer, I am going to give the MSD-2222 adjustable Fuel Pressure Regulator a try. I plan to post the results of that test on the...
Brent and Everyone: The most common reason for not being able to access the "members only" sections of the CVOA website is an expired membership. After a...
The Cosworth was originally built with the premium Delco Moraine '400' bearings in place of the regular Vega '100' bearings. They are no longer available. I...
Aren't Vega crank bearings the same as the earlier inline 4 and 6 cyl Chevy engines? The mains should be the same as the small journal V-8 and in-line ...
The 1974 article, Fundamentals of Electronic Fuel Injection, has this to say about the Bendix coolant and air temperature sensors. "The air temperature sensor...
This was a greatlunch question with my friend Dick Balsley. His thoughts are as follows; Valve lash settings are developed based upon the theoretical...
Duke, I think your comment ie; "Constant acceleration" clearance ramps are used on some racing cams, and varying lash can alter effective timing enough to...
There is no magic to lobe design, and everything has been tried. The designer first has to understand valvetrain stiffness and understand the engine's...
Mark, I have gone through Harvey Crane's website. I'm not questioning his knowledge or expertise but it appears that there is very little experience with DOHC...
Dick: Sometimes the best place to hide something is in plain sight! Some call it "security through obscurity". I think it is a teaser, designed to separate you...
Complaint: With cold engine, engine turns over fine and starts but only runs for about 1 second then dies. Depressing the accelerator pedal when trying to...
My CV 1893 will not start when it is cold. The Chevy garage I had it in to get it running did lots of diagnostics and finally found it is the air temp sensor...
Steven: My first thought was the throttle position sensor (TPS), but if it ran with the higher fuel rail pressure, then that is not likely to be the problem. ...
When you turn the ign. switch to "on", the pump energizes for about one second. Verify that this occurs. Get a helper to listen for the brief fuel pump...
Concerning Harvey Crane's knowledge of 4 cam designs I cannot comment. However, I went to his prime cam grinder in 1981 for new cams for my then new CV. I...
Thanks Mark, Are new or known good injectors for these cars available? I dont have any equipment to actually test them beyond simply pulling them and...
How fresh is the gasoline? ... dont have any equipment to actually test them beyond simply pulling them and observing their spray pattern when cranking. If so...
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