Koni Coil Over Shocks

[mbisett]

I have not been able to find out which of the Koni shocks are for the front and/or rear. Can someone please let me know if the front are Koni Part # 82 2611 or the 82 2610 part number.

Thanks!

[Jeff_J.]

Maybe I'm not answering the question you're asking here but here it goes. I built a Roadster and had Red Koni Shocks, the shock body was the same all around - the difference was in the weight rating of the coil spring. It's printed on the spring itself.
It was recommended to me to check the "rebound setting" on the Koni shocks before assembly, they are supposed to be set to the 1st notch when shipped from the factory - some builders have mentioned they found some weren't my understanding is to have them all set to notch 1 if you're just regular street driving, performance driving is another story. There is a video showing how to set them on the Koni site.
Hope this helps.

[mbisett]

Jeff - thanks. I also built a MK4 with the red Koni shocks which were manually adjustable. They were basically the same shock for front and rear.

On this build, the front and rears are different FF Part Numbers and Koni Part numbers. The manual states that the front shocks have been preset for both rebound and compression by the factory - hence my dilemma.

The springs are well marked so no confusion there.

Thanks for the reply!

Mark

[scspeedster]

same question - which is which - look up on the internet and the both say rear. In the Parts inventory is lists the box as shocks

[edwardb]

My truck kit from a couple years ago came with four Koni 82 2610's. So Factory Five changed something it seems. They should be able to answer.

[Guardm16]

The manual says the rear springs are marked 250lbs. From what I recall the front shock extended length was a few inches longer than the rear

[scspeedster]

Here's the answer - The fronts are the long body shocks if you're using a straight rear axle. Would have been easy to put that somewhere for all of us Novices...... Maybe mark the box front or rear.

[Just 1 More]

Does your shocks have any numbers like these on them? 33978 KONI HOT ROD FRONT SHOCK / 33979 KONI HOT ROD REAR SHOCK

[scspeedster]

Does your shocks have any numbers like these on them? 33978 KONI HOT ROD FRONT SHOCK / 33979 KONI HOT ROD REAR SHOCK

Yes they do -
82 2610 (under that 34 - 2022)
82 2611 (under that 4 - 2023)

I think I have them on wrong, spring weight I have right at #400 in the front.
But, the travel in the rear definitely is wrong. Shock_Space.jpeg

[Guardm16]

Yes they do -
82 2610 (under that 34 - 2022)
82 2611 (under that 4 - 2023)

I think I have them on wrong, spring weight I have right at #400 in the front.
But, the travel in the rear definitely is wrong. Shock_Space.jpeg

That does look like a longer body length than I have in the back. Page 63 in the manual, it did say the longer shock body is for the rear. Kind of obscure location on the parts diagram.

shocks.png

[Dgc333]

Yes they do -
82 2610 (under that 34 - 2022)
82 2611 (under that 4 - 2023)

I think I have them on wrong, spring weight I have right at #400 in the front.
But, the travel in the rear definitely is wrong. Shock_Space.jpeg

FWIW, the rear shocks on my 33 are longer than the front shocks. The front springs are 400 lb/in and the rear springs are 250 lb/in.

Your picture shows the threaded sleeve in the lower position on the shock body. You need to move the snap ring on the shock body to the upper position so that the threaded sleeve is near the top of the shock body allowing you to adjust the spring preload.

[Guardm16]

There is one other thing to consider, depending on when you truck was manufactured, there are at least two different trailing arms. Mine are very short compared to the one shown in the manual. this will also affect the ride height and shock length.

This is the trailing arm shown in the build manual, clearly the shock mount point is higher than the differential mounting point.

Trailing arm from manual.PNG


This is the trailing arm from my 35 extended cab kit, the shock mount point is below the differential mounting point.

Trailing arm from kit.jpg

All things to consider when talking about shocks, stance and ride height.

[Guardm16]

FWIW, the rear shocks on my 33 are longer than the front shocks. The front springs are 400 lb/in and the rear springs are 250 lb/in.

Your picture shows the threaded sleeve in the lower position on the shock body. You need to move the snap ring on the shock body to the upper position so that the threaded sleeve is near the top of the shock body allowing you to adjust the spring preload.

I didn't even know there was a higher sleeve position. I removed my shocks and set the sleeve to the upper position, (I was maxed out on adjustment just to get the truck level.) This give me much better stance and more adjustability, Thank you Dgc333.

[Guardm16]

While we are on the subject of shocks. How do you keep this from happening?

Front Shock.jpg

To get the front suspension set right, I had to lower the spring seat on the adjustment sleeve. Now, when I jack the front of the truck up, the shock extends beyond the length of the spring. Do I need limiting straps?

[RoadRacer]

You use helper springs like this

https://thefactoryfiveforum.com/show...l=1#post541911