I've got a set of summit racing adjustable shocks that I'll be putting in this weekend and I was doing some research. This is what I found on CE's site.

FRONT
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R = 60/40
F = 80/20
XF = 90/10

Rear
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R = 50/50
F = 40/60
XF = 30/70

Tech Tip (quoted from CE's site): When stroking shocks, do not strok them upside down or sideways - this causes air to enter the shocks. To eliminate air that may have entered the shock, purge the shock by stroking it 10 to 12 times in the upright position.

The shock ratio represents the percentage of force required to compress the shock, compared to the force required to extend it.

Here's where I get confused...

When adjusting the shock to XF (the 90/10 setting according to CE), it is extremely tough to extend (decompress) the shock. I would assume that the XF setting would make it extremely easy to decompress the shock and extremely hard to compress it. This is not the case. This leads to the "R" setting being the most easiest to decompress and somewhat hard or equal to compress. Is this a typo on their site or is R (60/40) setting the correct setting for drag racing?

Thanks in advance.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

quote:

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Originally posted by rockafellz:
Oh, by the way, I spent an hour a few days ago stroking the shocks sideways. Sweat pouring and everything!!

Erik

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LOL!
Make certain you compress them fully when you adjust them.
Counter clockwise should be the softest setting.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
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The Barry of BarrysGrrl

quote:

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Originally posted by rockafellz:

When adjusting the shock to XF (the 90/10 setting according to CE), it is extremely tough to extend (decompress) the shock. I would assume that the XF setting would make it extremely easy to decompress the shock and extremely hard to compress it. This is not the case. This leads to the "R" setting being the most easiest to decompress and somewhat hard or equal to compress. Is this a typo on their site or is R (60/40) setting the correct setting for drag racing?

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Mine were the same way Eric.Now I'll have to take them back off and check them.Mine only have three dots know marking for firm xfirm or soft.So I just keept at them until the felt right?
Can I adjust them with reoming them from the car.I was thinking of just trying to get to them from the top and leave the lower half on the car.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

I strongly believe that is a typo on their site. I'll try to give'em a call. Based on your previous posts in another thread, I would leave it on R. I set mine to R. The car is definitely more looser than the KYBs that were on before.

We'll see how they perform. I still have to remove the 1" sway bar.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

quote:

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Originally posted by Fastymz:
Can I adjust them with removing them from the car.I was thinking of just trying to get to them from the top and leave the lower half on the car.

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That's what I assumed I'd be doing. Seems like the way to go. Compress the shock and rotate it to whatever selection you want. Then extend it and tighten it.

It'd make it a little quicker between runs.

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

Did my follow up to rockafellz last post get removed?

Thanks,

quote:

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Originally posted by RickBook:
Moderator,

Did my follow up to rockafellz last post get removed?

Thanks,

Rick

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Rick I don't know what happen to it.I read it here early too.
Thats some thing SteveL can look into.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

Those shocks $UCK!

But you guys are already figuring that out like I did a couple years ago. Too bad they are the only economical option.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.