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Automotive Technical Theory Forum

Professional automotive forum for discussion of the theory of operation for any automotive system or component. Discussions include electrical and electronic theory, engine propulsion theory, fuel system theory, ignition systems theory, and much more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Tips Forum.

Recent Automotive Discussions in the Automotive Technical Theory Forum

1967 corvette
04/18/2018 in the Technical Theory Forum
good morning. looking for info on a 1967 corvette 427 tri power. the specific question is about the secondary carbs with vacuum diaphragm. does ported vacuum from the primary carb operate them? thank you in advance.
Worn Suspension Exasperating Crash
04/17/2018 in the Technical Theory Forum
Greeting all. I have an interesting situation. A local Crash Forensics company has asked my opinion on a certain vehicle that was involved in a roll-over. The vehicle in question is an '05 Explorer, 4.6l 2wd automatic, with around 130k on the clock. Appar...
Coolant Evaporation and Concentration
04/16/2018 in the Technical Theory Forum
Back in February we had a thread about coolant loss, and the question was posed as to whether coolant evaporation affects its concentration. I performed a little test to address the question. I mixed some Subaru OE coolant with distilled water and the sta...
Coil spring and alignment
04/14/2018 in the Technical Theory Forum
Last week in our shop we had a discussion about alignment after a coil spring remplacement, car is Prius 2005, with a rear solid axel, so coil spring are broken, with put 2 new oem coil with new shock absorber so what is the correct answer A) We don't nee...
2018 Ram 6.4 Possible to eliminate Speed Limiter?
04/10/2018 in the Technical Theory Forum
[Driveability: 17 Ram 2500 Laramie 6.4L] Friends, I have a customer with a new Dodge Ram that is moving to Mexico. He wants to disable the speed governor that limits him to 93mph. My question: A: Is it possible to do with any tool? B: Can it be done with...

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