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LS1 to C5 fronts

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Old Jul 14, 2009 | 01:12 PM
  #1  
BCdawg57's Avatar
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From: Columbus, OH, USA
Car: '91 Z28, '13 Civic EX-L
Engine: 355 LT1, 1.8 I4
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Axle/Gears: 10 bolt 3.42(as long as no breaky)
LS1 to C5 fronts

Just a quick question guys.
Would it be possible to use the 13" front rotor from a C5 on the LS1 set up by just changing the caliper mounting bracket?
Would the LS1 caliper work?


Thanks
Jakob
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Old Jul 14, 2009 | 03:41 PM
  #2  
89 Iroc Z's Avatar
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Re: LS1 to C5 fronts

You can use a C5 caliper on the LS1 abutment bracket (caliper carrier) and LS1 12" rotor. To use the C5 13" rotor you will have to switch to the C5 spindle bracket and abutment bracket (caliper carrier).
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Old Jul 14, 2009 | 04:40 PM
  #3  
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Axle/Gears: 3.25 9"Nodular, Strange axles
Re: LS1 to C5 fronts

I'll trade ya... I have c5 brakes and want to be able to run some skinnies in the front. Everything is new has like 100 mi on it. send me a pm
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Old Jul 14, 2009 | 08:14 PM
  #4  
Firebat's Avatar
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Re: LS1 to C5 fronts

Originally Posted by Blownz28man
I'll trade ya... I have c5 brakes and want to be able to run some skinnies in the front. Everything is new has like 100 mi on it. send me a pm
GTO 17x4.5 spares will clear C5 brakes. Have to have spacer adapters though, just like 4th gen rims.
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Old Jul 15, 2009 | 06:58 AM
  #5  
BCdawg57's Avatar
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From: Columbus, OH, USA
Car: '91 Z28, '13 Civic EX-L
Engine: 355 LT1, 1.8 I4
Transmission: T56, 5spd auto
Axle/Gears: 10 bolt 3.42(as long as no breaky)
Re: LS1 to C5 fronts

Thanks for the replies, though it's not what I wanted to hear. Blownz28 I sent you a pm.
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Old Jul 15, 2009 | 09:50 AM
  #6  
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Re: LS1 to C5 fronts

We offer an adaptor bracket for putting the c5 setup on the ls1.
Attached Thumbnails LS1 to C5 fronts-bcb001r_small.jpg  
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Old Jul 15, 2009 | 10:56 AM
  #7  
BCdawg57's Avatar
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From: Columbus, OH, USA
Car: '91 Z28, '13 Civic EX-L
Engine: 355 LT1, 1.8 I4
Transmission: T56, 5spd auto
Axle/Gears: 10 bolt 3.42(as long as no breaky)
Re: LS1 to C5 fronts

Originally Posted by BMR Sales
We offer an adaptor bracket for putting the c5 setup on the ls1.
Sweet. With these I would just have to get the c5 caliper bracket and rotor correct? I can use the ls1 caliper correct?

Thanks
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Old Jul 15, 2009 | 04:15 PM
  #8  
89 Iroc Z's Avatar
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Re: LS1 to C5 fronts

Originally Posted by BMR Sales
We offer an adaptor bracket for putting the c5 setup on the ls1.
Originally Posted by BCdawg57
Sweet. With these I would just have to get the c5 caliper bracket and rotor correct? I can use the ls1 caliper correct?

Thanks

The BMR brackets are to convert a fourth gen 93-02 to C5 brakes. These brackets will not work on a thirdgen.
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Old Jul 15, 2009 | 04:26 PM
  #9  
BCdawg57's Avatar
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From: Columbus, OH, USA
Car: '91 Z28, '13 Civic EX-L
Engine: 355 LT1, 1.8 I4
Transmission: T56, 5spd auto
Axle/Gears: 10 bolt 3.42(as long as no breaky)
Re: LS1 to C5 fronts

Why not? What's different between a 4th gen and the 4th gen brakes on a 3rd gen that would inhibit the use if these brackets?
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Old Jul 15, 2009 | 06:16 PM
  #10  
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Car: '88 GTA
Engine: L-98
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Re: LS1 to C5 fronts

Originally Posted by 89 Iroc Z
The BMR brackets are to convert a fourth gen 93-02 to C5 brakes. These brackets will not work on a thirdgen.
Correct. Totally different, wont work. Not even close.
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Old Jul 15, 2009 | 06:37 PM
  #11  
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Re: LS1 to C5 fronts

Look: 4th gen left, 3rd on the right
Attached Thumbnails LS1 to C5 fronts-img_0205.jpg   LS1 to C5 fronts-after.jpg  
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Old Jul 15, 2009 | 10:13 PM
  #12  
BCdawg57's Avatar
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From: Columbus, OH, USA
Car: '91 Z28, '13 Civic EX-L
Engine: 355 LT1, 1.8 I4
Transmission: T56, 5spd auto
Axle/Gears: 10 bolt 3.42(as long as no breaky)
Re: LS1 to C5 fronts

got ya. didnt realize they were so different.
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Old Jul 15, 2009 | 11:30 PM
  #13  
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Car: 82 Z28
Engine: TT LS
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Axle/Gears: S60 3.54's
Re: LS1 to C5 fronts

I know the c5's are bigger diameter but also put the rotor outward probably 1/8"-1/4". I don't think anyone makes the spindle bracket, but one could be made to use your caliper and bracket on the c5 rotors. I almost did this, but my choice to use the 15" Z28 wheels wouldn't allow the 13" rotors.
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Old Jul 21, 2009 | 09:19 PM
  #14  
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Axle/Gears: 9 bolt w/ PBR's
Re: LS1 to C5 fronts

Originally Posted by arrowcamaro
Look: 4th gen left, 3rd on the right

LOL BMR seems to be confused. Maybe you should ask your boss to use the computer next time. lol
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