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MSD 8680 Adjustable Timing Controller
From the Manufacturer
SPECIFICATIONS
- Timing control can be used with 4, 6 and 8 cylinder engines
- Must be used with and MSD 6, 7, 8 or 10 ignition control
- Mounts On Dash Board; Has Easy & Accurate Timing Adjustments Up To 15-Degrees
- Can Be Used On 4, 6, & 8-Cylinder Engines
- Must Be Used with An MSD Ignition Control
Ryan E.
Reviewed in Canada on May 25, 2023
Didn’t work at all wouldn’t run at all after installing it bought another one and it worked fine
johnny miller
Reviewed in the United States on August 22, 2022
I like it works well for what I need it for
Lonny Jones
Reviewed in Canada on November 2, 2019
I purchased this item almost a year ago ,worked for fist start up and then quit working . Sent out for repairs , got it back ,worked for one start up and quit working , sent back for repairs again .got it back and still don't work !!! , nothing short of a nightmare - avoid MSD at all costs , I have had nothing but problems with their stuff
Customer
Reviewed in the United States on January 11, 2019
This timing controller work one time is all, now it will do absolutely nothing no power, add three different friends tried on three different cars same results, it's fried unfortunately 1 * for this
Chris R
Reviewed in the United States on July 1, 2018
Works as described
robert havelin
Reviewed in the United States on December 11, 2018
WELL MADE COMPLETE KIT IN STALLED 1 HR
Christopher
Reviewed in the United States on April 18, 2015
Easy to install and works great
S. A. ROBBINS
Reviewed in the United States on August 20, 2012
When this MSD Ignition 8680 Timing Controller worked, it worked well and I could adjust the timing from the driver's seat for different conditions. If I was in traffic I could advance the timing to get the engine to run a little cooler. If I needed higher idle speed when the engine was cold (no choke, race carb), I would just advance the timing. For optimum performance I could adjust the timing accordingly. It allows 15 degrees of adjustment. It is relatively easy to install and I am using it with an MSD billet ready-to-run distributor and a MSD Digital 6 Plus Ignition unit. Overall when everything was working, the engine (502 ci 600hp) ran great and started easily with no kickback (20 deg retard from Digital 6 Plus ignition unit). The engine even started great when hot. Overall a great unit with one major exception. It quit working just over a year after I bought. I doubt that it even has 500 miles on it. The unit is installed in the passenger compartment so it never gets hot or wet (car is not driven in the rain anyway). I really expected better from MSD as they are supposed to be the best. So that is a $150 down the drain and I hate to think that every year I'm going to have to buy a new one. If you are willing to risk the cost and downtime when it fails, then go for it. I need this system for this particular car and so I'm going to buy two so that I have a spare for when it fails again.I sent in the failed MSD controller and was pleasantly surprised when the repair cost was only $11.50! But with shipping both ways, the total came to about $35, still not a bad cost for repairing a $150 controller. Because of this very reasonable repair cost, I have changed my rating to 3 stars.
David
Reviewed in the United States on November 17, 2011
I bought this for a high compression big inch Hemi that I was having 'hot start' problems with.After installation of the 8680 Timing Controller from MDS, I was able to pull (10 degrees) timing out during start up and put the advance back in once the car was started.After installtion, and figuring out I needed to cut the white wire, I noticed an immediate difference in how the car started. In fact, it spun over with the ease of a modern day stocker, and fires right up after a few rotations. Simply spin the dial back to your "base" setting and you're ready to put the hammer down.The reason I bought this unit instead of the timing start/retard box, was that it allows me, in the event I'm not able to source race gas, to pull timing out of the engine to accomodate a tank or so of 93 octane, from the drivers seat - and the functional ranges exceed my requirements - but enables me to use it in the event I throw nitrous on the car later.This is a great product, and highly recommend it to anyone looking for a simple timing retard/advance device that offers the convenience of 'in cab' adjustments on-the-fly.David
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