[DeTomaso] Oil pressure send unit - Cleveland Veglis guage.

[Ken Green]

I talked to the Autometer tech guys and they said the lower cost electric gauges they sell are not very accurate, but they also have stepper motor gauges that self calibrate that are very accurate but cost close to $200 each.  If you look at the Roush web site, these are the used gauges they are selling, which implies that these are the gauges they actually use in their race cars.  Autometer will make custom gauges for you, but they cost even more.
 
Ken

From: "JDeRyke at aol.com" <JDeRyke at aol.com>
To: knottsj at galstar.com; detomaso at realbig.com 
Sent: Wednesday, June 6, 2012 10:49 AM
Subject: Re: [DeTomaso] Oil pressure send unit - Cleveland Veglis guage.

In a message dated 6/6/12 7:04:06 AM, knottsj at galstar.com writes:

> Also does the send unit have to be mounted upright or does it matter?  A 
> 'T' would give me the room I need and still look better than the send unit 
> at a funny angle.
> 
The sender can mount at any angle, at any distance from the block. And just 
like the water temp sender, they are almost all wildly inaccurate. I use 
mine to tell me the engine is running and a $15 mechanical gauge on a T 
fitting with the stock sender to tell me how much pressure the motor really has. 
351-Cs need about 15 psi at idle (hot) and about 60-80 psi (hot) @ 3000 
rpms. Much less and you should be on your way to an engine rebuilder. A stock 
gauge likely won't tell you this- they are always low- sometimes 50% low. 
Good luck- J Deryke
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