Frame cross members
So as my build is going along smoothly I'm always thinking of the next thing to do all day long. Most of my frame is boxed and want to make sure the frame is as strong as needed. I still have the original cross members in the frame but people have added more to that. My question and thought is how many cross members are too many? To what point does it just add weight?
For a boosted v8 anyway. Also, i have read that the crossmembers are only important between the two axles. I was thinking an X under the cab and another X under bed. |
Re: Frame cross members
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I assume from your name its a 51?...do you have any pics ?
one brace such as this should be enough if you've got room.... |
Re: Frame cross members
I could try to replicate something like that. Dont have the best full pictures of the frame right now.
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Re: Frame cross members
there are some kits around for the tube crossmember or No limit sells the pieces to do a pretty serious X member that resembles many in production cars Still unless you have massive torque in the engine and plan to use it hard you probably don't need all that much for normal driving. It's always to be prepared for anything though.
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Re: Frame cross members
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If you take a look at The Schwartz chassis, it's almost identical to what Mongo posted.
On the other hand, The Art Morrison Chassis is fairly minimal. Both builders are known for a great product and they've done well on the Pro-touring courses. |
Re: Frame cross members
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Re: Frame cross members
I have 2x1.5 square tubing laying around to make X's wherever i can. I will make a driveshaft loop like those built frames. Just have to offset it because my 8.8 rear is offset. Any idea how much a driveshaft typically moves up and down? I dont want the driveshaft to hit the loop. I will have a type of traction bar set up
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Re: Frame cross members
the closer to the differential ,, the more movement......jack the truck up by the frame and with the tires off the ground ,,measure from the axle to the bump stops. ..that should be your range of movement at the axle....then I'd add a inch or two to the up and down for saftey...
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