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Post History: 65sohc
Ramin nailed my GTO in short order. Absolutely the best $120 you'll ever spend.In: Email Tuning Service
4 years ago
Awesome! I have the 600hp system on a 406 sbc. It has a DUI mechanical distributor with no vacuum ad …In: Email Tuning Service
4 years ago
I tried smoke testing my intake system but so much smoke escaped up past the throttle blades and out …In: Secondary Adjustment
4 years ago
I installed a 1 inch spacer on my Performer EPS today. Should I reset the Fitech so it learns fresh?In: Manifold selection (single,dual) and spacers
4 years ago
4 years ago
Sounds like your accelerator pump settings need adjustment, assuming your ignition timing is correct …In: Coughing /Spitting up thru throttle body
4 years ago
4 years ago
This is a very logical procedure. I wonder why it took Fitech so long to come out with it. My car se …In: Latest IAC adjustment instructions from FiTech turning both front and rear blades
4 years ago
Is your IAC count within the proper range?In: Running fine, died at idle and is now so rich it won’t run
4 years ago
I would open the Dashboard on the handheld and check the IAC Step count. If it is still within the 3 …In: Changing Target Idle Speed
4 years ago
65 GTO with 406 sbc, 10-11 inches vacuum at idle,5 speed stick, early style fuel commander with retu …In: Lean during light acceleration
4 years ago
If you have to open the throttle to add extra air chances are the Prime Fuel squirt is too much. De …In: Only starts when throttle part open then runs super rich
4 years ago
Have you tried reducing the Prime Fuel Multiplier under Cranking Fuel in the Pro Tuning section?In: Only starts when throttle part open then runs super rich
4 years ago
Quote from Deleted user on December 19, 2018, 7:02 pm
First of all, both units would do the same th …In: Big change is fuel economy
4 years ago
So the dyno testing confirms what Ken Farrell said, ie. the engine will respond to the different man …In: Manifold selection (single,dual) and spacers
5 years ago
I just found an informative article comparing FiTech vs. Holley carb on single and dual plane manifo …In: Manifold selection (single,dual) and spacers
5 years ago
I also read somewhere that the issue with the Holley EFI on Engine Masters is that the MAP sensor on …In: Manifold selection (single,dual) and spacers
5 years ago
My car runs 98% great. In my 50 years of tinkering with cars going after that last 2% has always got …In: Manifold selection (single,dual) and spacers
5 years ago
The purpose of a dual plane manifold is to provide a stronger signal to the carburetor at low engin …In: Manifold selection (single,dual) and spacers
5 years ago
My car has the first generation FCC to which the previous owner added a return line. Should it have …In: Using FCC 2 as a return system
5 years ago
5 years ago
While reading messages on a Chevelle forum I came across a link to the Edelbrock EFI system. Despite …In: Running rich off of idle
5 years ago
Nevermind. I just read the Fitech instructions which say either location. Mine is in the aluminum he …In: Temp Sensor
5 years ago
The main driveability issue is at very light throttle. Off idle it accelerates normally until around …In: Loud popping at idle
5 years ago
Here is a log after new plugs and tuned for 14.7.
https://www.dropbox.com/s/q4klwu0mchc5nsn/Basic …In: Loud popping at idle
5 years ago
What is the magic word to get Dropbox to send a link to this site? I shared, created a link, and the …In: Fine tuning
5 years ago
I have never seen plugs more encrusted with carbon than what I pulled from this engine. I shudder t …In: Loud popping at idle
5 years ago
So with engine running I can change idle AFR, depress handheld button to save setting and observe ef …In: Fine tuning
5 years ago
And can I also assume that the ultimate goal is to have the learn figure as low as possible? If so, …In: Fine tuning
5 years ago
So assume tuning idle AFR as you would with a carb, does that mean Fitech can be tuned with the engi …In: Fine tuning
5 years ago
Is that better than reducing the target AFR? My 2016 GT350 shows an AFR of 14.1 on our local fuel.In: Loud popping at idle
5 years ago
It turned out to be grossly fouled plugs. The cam specs are .530/.545 lift, 233/241@.050, 106 degree …In: Loud popping at idle
5 years ago
I hope this works. This is today after I tried reverting to the default calibration.
ht …In: Loud popping at idle
5 years ago
406 sbc, lopey cam, 10-11 inches vacuum at idle, 600 HP Fitech. Had been running generally well exce …In: Loud popping at idle
5 years ago
It is now illegal to sell the AC Delco temp sensor in the state of California. It either: 1. causes …In: Serviceable Parts and Accessories
5 years ago
Turned out to be the mechanical fuel pump. When I removed it from the block the internals fell onto …In: Engine suddenly died
5 years ago