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-   -   2" block with 4" drop spring in the rear?? (https://67-72chevytrucks.com/vboard/showthread.php?t=761876)

mbzaungst 04-16-2018 08:57 AM

2" block with 4" drop spring in the rear??
 
Any issues running a 2 inch block with a 4 inch drop spring? I am planning to move shocks as well? Thanks for the help

special-K 04-16-2018 09:03 AM

Re: 2" block with 4" drop spring in the rear??
 
2 Attachment(s)
None that wouldn't exist from only running the blocks. That lowers your scrub point by the block size, but only the trailing arms. My friend/neighbor built this truck with 4" drop f & r and decided to level it out with 2" blocks

Attachment 1775837

EDIT: Now that I think about it, this would be before the block when the bed was first installed. He also put Vette rallyes on with other tires, but no pictures. But it worked out fine for him. Only picture I have

RustyBucket 04-16-2018 09:42 AM

Re: 2" block with 4" drop spring in the rear??
 
1 Attachment(s)
I have 4" springs and a 1" block.... relocated short shocks & adj. panhard bar. Rides/drives pretty good. Picture is with worn 255/60's, replaced w/ 275/60's recently.

CC69Rat 04-24-2018 08:25 PM

Re: 2" block with 4" drop spring in the rear??
 
This is going to sound stupid -- but bear with me.

Lets say a 200lb man jumps on a 12ft diving board. Boing, splash, he's in the water. Can you imagine how much the 12ft board would flex ? ( Just in your mind )

Now, cut 2ft off the board. Same dude.. boing, splash ..

Did the diving board flex more or less at 12ft, vs 10ft ?

Coils work the same way. All it is is a straight piece of wire that has been coiled up to create torsional rigidity. So, for a better ride quality you need a softer spring, less rigid and longer travel, right? A shorter stiffer spring will impact your ride quality.

So, if I could make a suggestion, I'd do a 4" spring drop and 2" block yes, and you would have any problems with it. Just saying, dont do 6" drop springs (all springs) the 4 / 2 will ride a little better. Make real sure you adjust the pinion angle too or you'll be having driveline vibrations. 3 maybe 4 degree shims on top of your drop blocks, or CPP sells the drop blocks with the pinion adjustment already in them. you want to roll the nose of the pinion back up toward the bed floor. If you shim it, put the larger end toward the cab, smaller end toward the rear bumper.

1badmonza 04-25-2018 07:57 AM

Re: 2" block with 4" drop spring in the rear??
 
I got 2" blocks with 5" Drop CPP springs. I did C-Notch the frame to increase clearance because I only had about 1" between rearend tube and frame. Truck rides great still.

https://farm1.staticflickr.com/813/2...c1597ac5_b.jpgIMG_1386 by Mike Lanclos, on Flickr
https://farm5.staticflickr.com/4795/...a6bd9b99_b.jpgIMG_1336 by Mike Lanclos, on Flickr

raggedjim 04-25-2018 10:58 AM

Re: 2" block with 4" drop spring in the rear??
 
Quote:

Originally Posted by 1badmonza (Post 8247045)
I got 2" blocks with 5" Drop CPP springs. I did C-Notch the frame to increase clearance because I only had about 1" between rearend tube and frame. Truck rides great still.

Very nice truck. I want to do the same, what did you do in the front?

Rg

1badmonza 04-25-2018 11:15 AM

Re: 2" block with 4" drop spring in the rear??
 
Thanks, I have 2-1/2" dropped spindles and 2" CPP lowering springs up front.


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