Drawbacks to spacers on rear coils?

I know spacers on the top of the front coil over assemblies can potentially cause ball joint overextension or CV problems on extension.

But are there similar drawbacks to a 1/2in or 1 inch spacer for the rear coils? Any other drawbacks?

 

Not really, as long as you don't bottom out the coil, which shouldn't happen with those spacers, you'd be ok. It's the potential for over-compression of the coils that can cause issues. If a coil gets fully compressed repeatedly, it loses its height and can fail.

 

drawbacks to a 1/2in or 1 inch spacer for the rear coils?

• With 2in spacer on rear I only felt rear shock extending to the max on trails. But with Bilstien5100 that last extend part was more in control. Visually both seem to extend same amount when both off the vehicle.

spacers on the top of the front coil over assemblies can potentially cause ball joint overextension or CV problems on extension -

• With 3in lift (1.5in spacer) I did not face any issues. May be I can do a test video on my buddy's SR5 which I think clocking 60K miles with it.

And this is a my buddy with TRD ORP with the same lift. All 3 of us got same 3in front/2in rear "ReadyLift" spacer lift.

Oops, forgot the pic-

 

I ran a ¾” Cornfed spacer on the rear for well over a year, and did several trails with those in place…no issues.

I eventually upgraded to a full Dobinsons set, and the rear springs provide for a much improved ride, particularly when the rear is loaded up. Night and day difference. If I had to do it again, I’d go straight from factory setup to the Dobinsons (minus their UCA).

Spacers are cost effective, but springs (especially used ones) can be found at reasonable prices as well. Keep in mind, the labor involved in installing either is the same…

 

Thanks…I hadn’t even considered over compression of the coil itself as a potential issue, but good to know an inch or so shouldn’t be a problem.

Right now I’m kind of stuck in the middle with vehicle weight, coil rate, and coil height. Recently bought some C59-327 rear coils. The heavier rate feels good, but rear end sits a smidge too high….or the front sits a smidge too low… depending on my mood haha.

So, as I see it, my options right now are to either dial a bit of preload into my front IMS coilovers to reduce excessive rake, or to go back to the 1.5in lift rear coils I previously had (which had dropped due to the added weight), and put in a spacer to correct the rake, and hope I’ll get used to feeling of slower rebound I had with the 1.5in coils.

Decisions, decisions…. Happy to entertain any opinions from you or others

I know the right answer is MMR adjustable, and a steel bumper with swingouts to bring the back end down a bit, but you know, the money thing …

I swear, pics of trails like that make me get giggly inside. I just got back from a trip and came back exhausted from the distance traveled. But now I want to go back out lol

 

If I could find a heavy rate coil that gives me 1.5 in of lift, I’d be golden. But the only options out there seem to give 2 or 3 in of lift.