© 2025 DRIVEN LIFESTYLE. All rights reserved.
This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.
Well, I had cleaned both FDs by spraying inside the air metering device several times (almost 20) air mass sensor cleaner. After about 15-16...
To set throttle plate adjusters, so that the throttle plates are open about 0.003" - means unscrewing small adjuster screws with springs under...
If I understand the "mixture adjustment screw hole" terminology correctly, then those holes in my car engine are shown in the attached pictures....
Steven, Thank you for evaluation of results of those tests you suggested. Your analysis is very reassuring. However, I still dont understand...
Steven, I had some time today before going to sleep to perform several tests you recommended: 1) Spark is present on both sides and all spark...
Steven, thank you very much for suggestions, I will perform those tests you recommended and report on results, which I will get most likely over...
Thank you for explanations and suggestions - I will check for the holes and other sites for potential vaccum leaks. As for your last question,...
You are ablsolutely right (as usual): it appears that before I got the car (now in Houston, TX) bunch of "mechanics" in Florida had tweeked it so...
Steve's advice for the source (allferrariparts) has the lowest price. I could not find anything for a lower price. Now about the reasons to why...
Steve, the engine is F113A040, 5.0L, *23159* (see attached photos). The forse required to depres each pan was not really different, but now I...
Thanks for the advice. I will check the vaccum system all over again. Still, what might be the problem with the left hand side air metering...
Does anybody have information / source for those red silicone sleeves going over the ignition wires (not from the distributors of Ferrari Parts)?
Problem #1: While performing balancing procedures for the right (1-6 cyl) and left (7-12 cyl) to establish the proper idleing RPM, I have noticed...
Testarossa 1984-1987 cars have Marelli ignition COIL/MODULE AEI600A, 328/412/TR (Marelli Coil # 58170053; Module = 58170102). That coil has two...
Thanks for the information! I will start putting together a more comprehensive list by measuring tubes and hoses in my Testarossa and then will...
What are the Bosch numbers on those silver colored non "K" relays on your borad? If you let me know, I will check their electrical...
Yes, I have seen this thread... Pictures look nice, but, honestly I was expecting to see a different solution - mybe different types of terminals...
By the way, do you know if anybody has suceeded in producing a modern-type multi-layered cirquit boards for Ferrari Testarossa Fuse/Relay Box?...
I agree with you... Although I am not an electrical engineer, it does not make any sense to use this relay type as opposed to a 4-pronged maxi...
Based on my research, it appears that this is a 12V 30A relay with configuration Do/1 Form A (2x87). Cross-refference numbers are as follows:...
