Rubbing with 1.5" springs in rear with 305s

gt5.0coyote

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Hey guys thinking about swapping my 1" lowering springs out in the rear for my 1.5" frpp springs. Has anybody had any rubbing on the fender? The tire is a 305/35/20.
Thanks in advance!!
 

nate714

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In for replies since that's really close overall size to 295/45/18 which I've been eyeballing. Also on 1.5 rear drop.
 

Vert

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It all depends on your rims back spacing and offset. You should be OK since you have forgestars plus with the adj panhard bar will help.
 

evil281

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I run the 305/35/20 nt555R on the forgestar 20x11 and do not hit the fender. I did rub on the inside liner so I took it out and sprayed the well with boom mat spray to try and keep the sound down. Bmr 1.5" springs.
 
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gt5.0coyote

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I got one. What's the best way to make sure it is centered? Right now I get a string and tie it to about a 1" wrench, hold the string on the wheel well and measure the sidewall of the tire to the string. Is that the most precise way?
 

MCBigDog

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I have 305/35-19 NT05r on 19x10's with +50mm offset with Eibach Sportlines (2.3" rear drop) and they don't rub inside or outside. For 10" wheels you will need +48-50mm offset for them not to rub.
 
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gt5.0coyote

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I have 305/35-19 NT05r on 19x10's with +50mm offset with Eibach Sportlines (2.3" rear drop) and they don't rub inside or outside. For 10" wheels you will need +48-50mm offset for them not to rub.

Sounds good! I think well be ok! Any info on the most precise way to adjust panhard bar will be appreciated!! thanks for the help everyone
 

noldevin

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You pretty much have the best way down, you can use a wrench or a bolt or whatever. But you need to measure it while the car is on the (level) ground, not up on jacks or stands or a lift. The problem with 305/35 and 315/35 on 20s is the fitment gets really tight when you're lowered so your offset has to be perfect and your panhard adjustment has to be perfect.
Typically 10" wheels are offset for 275-295 so you might not have the right offset.
 
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