Here you go, these are in my garage and will be installed tomorrow. I will be doing some valving changes within the next week and the production models will be available asap. These are Fox 2.5 shocks, designed just for Titans. There are 2 versions, one as a stock replacement (to be used with my urethane bumpstops) or a replacement for kits using the drop-down brackets (CST, Fabtech, Procomp, Rancho). Price is not set 100% yet, but should be around $950-999. This will include the coil springs, not shown in the picture. I'll have pics of them mounted tomorrow as well as a progress/performance report.
Finally, Real Coil-Overs For Titans
PrerunnerGreg
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I have the 6" pro comp kit. I have the front coilers, and they suck! I just had the preload adjusted again yesterday by SKG in Poway. The procomp shocks have minimal rebound dampning. My front end Tops out. How are the fox shox rebound. :ftard:
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Wow, those are expensive. You can make a simple one for around $100 according to the article linked:Titan4x4Aggie said:
http://circletrack.com/howto/82884/
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our Formula SAE team at A&M got one for this year's team. they tested our old Fox Vanilla Shox coilovers (used on mountain bikes), and found the damping and adjustment were not consistent from shock to shock.
but, considering they are only meant to be used in single fasion on a bike, we didn't really expect much consistency.
it's a pretty cool looking setup (looks like a tensile test machine), and came with all the software and all that. the plots look real good, and it should help out with design portion of the FSAE competition.
not to get off track, but since Greg is racking in the money from all these Titan owners, he can afford a nice machine, especially if his business continues to grow and expand (which I'm guessing it will
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Only problem: he wont be able to sale many more leveling kits; all the old used ones from people replacing them with the new 3.5" lift will be for sale!
but, considering they are only meant to be used in single fasion on a bike, we didn't really expect much consistency.
it's a pretty cool looking setup (looks like a tensile test machine), and came with all the software and all that. the plots look real good, and it should help out with design portion of the FSAE competition.
not to get off track, but since Greg is racking in the money from all these Titan owners, he can afford a nice machine, especially if his business continues to grow and expand (which I'm guessing it will
)Only problem: he wont be able to sale many more leveling kits; all the old used ones from people replacing them with the new 3.5" lift will be for sale!
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I'm sure that if he doesn't own one already, he has access to anything he needs, since he is known for tuning them for trucks in Socal. In fact on one of the threads he mentioned that the Titan team that came in second place in the Baja 1000 had asked him to join, but he had a previous commitment, his honeymoon. :heart:Titan4x4Aggie said:...not to get off track, but since Greg is racking in the money from all these Titan owners, he can afford a nice machine, especially if his business continues to grow and expand (which I'm guessing it will
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Haha, you road-race guys are funny. Shock dynos dont work so well when the least amount of travel our shocks have is usually 10". I have a few freinds that have been to the Edlebrock Test Facility and the stuff they learned on the dyno was very different than what you might expect. Cavataion is alot more prevelant at the shaft speeds our shocks see than say a road car or bike. Shock valving is typically seat-of-the-pants. There are too many variables that dont justify a dyno, or spending time on a bench when you should be out testing. King Racing Shocks (the premier off-road racing shock) dosent even have a dyno. I could carry-on in length about the effects of tire pressure vs. damping and how signifiicant it is. Actually, we are testing today at our track in Rialto (changing spring rates and valving on the front of a toyota), if anyone wants to see whats involved in setting-up a desert truck, feel free to come by.
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I didn't even think about that much travel. Maybe I was just trying to sound smart, hehePrerunnerGreg said:
I should have thought ahead about the fact that production trucks need shox for basic damping, not really designed with hard transient cornering at 0.90+ g's. Considering our wheel travel on our FSAE car is only 2.5", and the fact we usually run a 0.75 installation ratio, our shocks see less than 2" of displacment, and 3/8" of that is a bump stop
We dont need too large of a shock dyno in the end. Also, most of our valve changes / damping adjustment are for low-speed corner transients, so cavitation is of little concern. Not to change the topic, but here is our FSAE car for this year. The guys on this year's team are headed to Detroit tomorrow to compete with 140 schools from 26 countries around the world! We got 2nd place last year! :idhit:
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Ive never worked on a road-race car before (i have a 93 stang that was built with auto-x in mind, but its no way a race car). Alot of the damping road cars use is controlling the fluid dispalcment into the reservouir, most long travel shocks use the actual piston valving and we shoot for as little resitriction into the res as possible, we call it "spiking" where he shock feels like its briefly locking up. Oh well. enough shock talk. That car is pretty cool, id love to drive something like that one day.
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Looks great Greg, now I just need to figure out if I should get those or not. I was hoping for a little bigger lift. No worries I have not blown the rancho just yet!
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Here are some pics of the prototype upper a-arm and the Fox coil-overs. THe lift is about 3-3.5". THe performance is really nice with a very smooth ride, id say smoother than the stock Ranchos but better big hit absorption. The spacer and the through-bolt will be replaced by a tapered adaptor so it will be a truely bolt-on kit.
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Nice job!PrerunnerGreg said:
Will the production upper a-arms be something you will be able to fabricate yourself?
Will the extra travel with the a-arms be the same, regardless of the height of the adjustable coil-overs setting, i.e. set to a 1.75" lift same travel as 3"?
Thanks.
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I can't wait to destroy my Ranchos!
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The upper a-arm is a modified set of CST upper arms. I still havent got the price on those yet, but if they are too expensive I will probably start building them myself. As for the travel, the total amount will be the same no matter where the truck sits, but (lets use my truck for an example) im sitting at about 3.5" lift, i have 3.5-4" of down travel. If I dialed-in another 1" of lift, then i would reduce my down travel by that amount, but incrrease my compression travel. If lift is someones primary concern, these shocks will give 3-3.5" of lift easily but the upper a-arm WILL make contact with the coil-bucket and ride quality may suffer, but that is at YOUR discresion. As for pricing, they look to sell for around $950 plus shipping, I will offer free shipping and a reduced price for awhile just to get them moving. This will also include the upgraded urethane bumpstop like the ones I sell with the leveling kit. These coil-overs will be available by next week. If someone is interested please pm me and for ordering info and shipping dates.
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