Re: How low can you go ??
If I were kens65fb I would have given up on reading this thread a long time ago.
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Re: How low can you go ??
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My input was on highlighting the issue of clearances once one is curious about 'aggressive' lowering aka asking "how low can you go". Seemed related. |
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I was only thinking of No Limit's front crossmember since that is what I am going with. Of course I know there is an argument to be made that if I were truly serious about autocross I'd be looking at a full chassis instead. But I have a full prep SCCA STR 2019 MX-5 and even with a full chassis, I'm not going faster at autocross in the 65. Quote:
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The setup I had on Goldilocks' build (stock crossmember raised 1.5", 1" narrowed PB tubular arms, .500" taller upper ball joints, and CPP Modular drop spindles) had more camber gain per inch of travel than No Limit's WideRide front end. Depending on how much body roll you have that could be a good thing or a bad thing. I like softer/more compliant suspension that absorbs mid corner bumps and curbing so having more camber gain to add more camber as the body rolls is a good thing- you can run less static camber. Stock camber gain is .86* per inch inch of travel, No Limit is 1.56*, my setup was 1.61*. The PB arms corrected the lack of caster and the No Limit rack & pinion corrected bump steer. The factory crossmember already has about 10* of antidive built in so that's good as-is. Now, if you like stiff suspension and no body roll because everyone thinks that's what makes something handle good... you don't really need geometry anyway, just throw some static camber at it. The factory geometry with a few tweaks, plus an appropriate spring rate and good shock valving can be really good, and plenty good enough for autocross if you're not trying to be top level competitive. |
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Re: How low can you go ??
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But this is all off the original topic of how much lower @kens65fb can possibly go. My original concern was making sure he's aware of the pitfalls that extra inch or so of drop can yield. Driving a truck that bottoms out a lot wears on you (& the truck/parts). I loved the ride height on my '74 but the constant bottoming out made driving any area where the roads weren't smooth a PITA thus much less enjoyable. Getting them lower than a 4/6 introduces those concerns. A 5/7 is do-able w/the right combo but will likely bottom out here & there. Again.... I was merely trying to promote awareness. For reference, my CC dually is just as low as my '74 was but has adequate clearance. The 1.5" raised front x-member keeps it far enough away from the ground it's never bottomed out once it hit the roads 'post-mods'. Same for the rear of it.... It's never made contact w/the bumpstops or floor. The only thing that has made contact is the frame rails @ the center of the truck on funky angled entry/exit transitions of some parking lots. I have air so I could technically raise it but it's a coin flip on if it will/won't make contact so it isn't a common issue. Everything I have is lowered & I won't build another aggressively lowered truck w/o necessary clearance. It's night & day difference IMO when it comes to a worry free driving experience. |
Re: How low can you go ??
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I measured today.
The distance from the ground to the bottom of my front fender is 27 1/2 inches, it seems like 26 inches would look perfect I'm curious, what is considered a perfect height. Anybody else measured the distance from the ground to the bottom of the fender ?? |
Re: How low can you go ??
Have you looked through the photos of static drops thread? I would go through there and find one you like and then ask them their specs and for how they did it.
https://67-72chevytrucks.com/vboard/...ht=static+drop |
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My measurement is 27.0, but I’m running a taller tire that fills the gap more. (235/75R15)
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Re: How low can you go ??
im very late to this but my 65 has 3 inch belltech spindels 3 inch coils with a half coil cut in the front 5inch coils and inch and a half blocks
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Re: How low can you go ??
2.5 inch drop spindles and 2 inch springs in front and I was told 4 inch springs in the rear. I bought all the parts used and the guy was going by memory. 255-17r15 tires on factory truck rally wheels I've never measured to see how high the frame is off the ground.
https://i.ibb.co/1Xkv3ST/20230824-201335-2.jpg |
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Re: How low can you go ??
Another example for reference. The front never rubs or bottoms out, plenty of travel and ground/tire clearance. No issues at at. The rear needs a c notch at this height; with trimmed bump stops the axle is only about 1.75" off the frame rail so bump travel is limited. I don't want to chop up the truck so I've tolerated the rear occasionally bottoming out on the bump stop. I used firmer rear shocks to slow down bump travel when empty, but when loaded with the camper shell or trailer it actually rides really well except over really big bumps. I'm looking into adjustable shocks to dial back the damping when it's empty.
Front- CPP drop spindle/disc brake kit. 1 coil cut off stock springs. Bump stop brackets completely cut off. Stock drum brake wheels with 1.5" bolt on spacer. 215/75r15 tires. Rear- D2600 bags bolted directly to trailing arms, short upper cup to clear the air fittings. 1.5" drop blocks. FrizzleFry's method of shock relocation. Trimmed bump stops. 15x8 wheels. 235/75r15 tires. https://i.imgur.com/rEODtnFh.jpg https://i.imgur.com/nDezGQ8h.jpg |
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