Poly bumps

Dust
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Re: Poly bumps

Post by Dust »

philofab wrote:
Those work really well on trucks with heavy loads but I have no idea how well they would work in our application. They are not cheap either.
Me ether, there was a thread on Pirate but I haven't searched enough.
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ChaseTruck754
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Re: Poly bumps

Post by ChaseTruck754 »

Back from the dead. Anyone going to hit a junk yard soon or have any of these lying around? Depending on the overall height I may be interested in the Pathfinder (shaped like an 8) ones, but most likely I'd be looking at the S10/blazer ones that fit in the "cup".
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Nick
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Re: Poly bumps

Post by Nick »

ChaseTruck754 wrote:Back from the dead. Anyone going to hit a junk yard soon or have any of these lying around? Depending on the overall height I may be interested in the Pathfinder (shaped like an 8) ones, but most likely I'd be looking at the S10/blazer ones that fit in the "cup".
I will probably have both available Steve. I'll let you know in a couple of weeks.
"If at first you don't succeed, it may be cheaper to buy it."
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ChaseTruck754
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Re: Poly bumps

Post by ChaseTruck754 »

going to step up to hydro bumps nick? Or just selling off extras?
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Nick
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Re: Poly bumps

Post by Nick »

ChaseTruck754 wrote:going to step up to hydro bumps nick? Or just selling off extras?
No, will probably stick with the stockers.
"If at first you don't succeed, it may be cheaper to buy it."
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RyanDS650X
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Re: Poly bumps

Post by RyanDS650X »

Im looking for a set of each also if anyone has extras they want to unload. S10's in the cup and figure 8 pathfinders.
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randomthoughtsracing
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Re: Poly bumps

Post by randomthoughtsracing »

ntsqd wrote:I run the Nissan bumps on the rear of Patch. Thanks Chris for the suggestion years ago. I'm about to install a set on the front as Patch does have the room though the height is a bit of a concern. No, Patch is not a Bronco.

I've only ever seen what this page shows, but these might be interesting - originally built for CTD's:
http://www.thurenfabrication.com/dyskobumps.html
Image
I rode in a dodge with these bumps on the front end and was very impressed. For lack of a better term it felt like the truck was "gellin". It just seemed to squish a bit but offered no sensation of bottoming. And this was while hammering the truck in Barstow for some Bilstein 60mm ACV development.
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BDKW1
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Re: Poly bumps

Post by BDKW1 »

You have to be real careful with how you use those. If there is any side to side movement on contact it will rip the bump off the base. They do not take side impacts or rubbing well.
Dezertbronco
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Re: Poly bumps

Post by Dezertbronco »

I have passed up this thread for a while now and after some testing this last weekend I am forced to take another look. I have a shiny spot on both beams and the stock bumps mounted on the riser blocks are hurting. I think I might go with the red ones in the post above.
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RyanDS650X
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Re: Poly bumps

Post by RyanDS650X »

I found the part number for the S10 style if you want to order new ones.
GM PART # 15712438

http://www.oehq.com/oeparts_GMP15712438 ... BUMPER.htm
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Firetwig
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Re: Poly bumps

Post by Firetwig »

Absolute and complete n00b to anything involving off-roading and going fast together, I've always had one or the other, I build on a ridiculously cheap budget. With that being said, I understand the concept of a bumpstop, but I would like to know what are the general steps to swapping Pathfinder bumpstops (Or other JY vehicle models you guys like?) and would they benefit my stock suspension Bronco at all? Thanks in advance!
1991 Ford Bronco XLT 5.0/E4OD EFI RIP
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Dezertbronco
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Re: Poly bumps

Post by Dezertbronco »

Firetwig wrote:Absolute and complete n00b to anything involving off-roading and going fast together, I've always had one or the other, I build on a ridiculously cheap budget. With that being said, I understand the concept of a bumpstop, but I would like to know what are the general steps to swapping Pathfinder bumpstops (Or other JY vehicle models you guys like?) and would they benefit my stock suspension Bronco at all? Thanks in advance!
That is a good question, Do you plan on it staying stock? Honestly the front end on a bronco works Great, its the rear that needs help, Its heavy and it Bucks just like a bronco.
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philofab
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Re: Poly bumps

Post by philofab »

The rear needs more up travel to help with the bucking. Very hard to do with stock heights.
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Firetwig
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Re: Poly bumps

Post by Firetwig »

Dezertbronco wrote:
Firetwig wrote:Absolute and complete n00b to anything involving off-roading and going fast together, I've always had one or the other, I build on a ridiculously cheap budget. With that being said, I understand the concept of a bumpstop, but I would like to know what are the general steps to swapping Pathfinder bumpstops (Or other JY vehicle models you guys like?) and would they benefit my stock suspension Bronco at all? Thanks in advance!
That is a good question, Do you plan on it staying stock? Honestly the front end on a bronco works Great, its the rear that needs help, Its heavy and it Bucks just like a bronco.
Stock to a point, but not extreme by any means. I won't be flinging this into huge dunes, or at least for awhile. Once I do get started onto the suspension side of things I wanted to do the rear as my priority... But I won't be doing coilovers or anything like that, out of my budget. But I raid my local yards often, so if I learn of stock items on other vehicles that could benefit me I'm all ears to learn more. Do you suggest I even bother with the bumpstops? Cause I could get it for near free.
1991 Ford Bronco XLT 5.0/E4OD EFI RIP
1996 Ford Bronco Eddie Bauer 5.8/E4OD EFI
1990 Pontiac Formula Firebird 5.7/T5 TPI
1991 Ford F150 Custom 4.9/M5OD EFI
1993 Ford Mustang Convertible 2.3/AOD EFI
Dezertbronco
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Re: Poly bumps

Post by Dezertbronco »

the longer the Bumpstop the shorter the up travel. If I were to change mine it would be to a pathfinder style. Find yourself a 4'' rancho kit with the long arms and get some deaver springs for the rear and it will be 100% better than stock.
There is no substititute for Horsepower.
78Class3
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Re: Poly bumps

Post by 78Class3 »

Does anyone have any of the Nissan figure 8 ones around. I'd be interested in them. The junkyards down here in FL don't have very many of the older Nissans for some reason.
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Nick
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Re: Poly bumps

Post by Nick »

78Class3 wrote:Does anyone have any of the Nissan figure 8 ones around. I'd be interested in them. The junkyards down here in FL don't have very many of the older Nissans for some reason.
I have a set. I'll know in the next couple of weeks if i'll need them. I'll let you know.
"If at first you don't succeed, it may be cheaper to buy it."
78Class3
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Re: Poly bumps

Post by 78Class3 »

Cool that would be great thanks..
78Class3
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Re: Poly bumps

Post by 78Class3 »

Finally, I found a yard that had 2 isuzu's and 2 s-10/blazers. I grabbed the rodeo bumps but couldn't figure out how to get the blazer ones out without ripping out the rubber. If i take the rubber out to get to the bolt will it go back in and whats the best way to get it out without ruining them? Thanks.
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RyanDS650X
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Re: Poly bumps

Post by RyanDS650X »

They just pop out of the cup. Grab ahold and wiggle from side to side and the bump will pop out.
'96 XLT 5.8l lil edelbrock, lil Autofab, LOTTA fun.

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