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Thread: Booster recommendation
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02-22-2015 #1
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Booster recommendation
I have an 86 Monte with the stock 12" SINGLE diaphragm booster which is very weak.
I have 13" c5 fronts and 12" LS1 rear disc. Most Montes had a 9" dual diaphragm booster and some people recommended the 12" dual from a caprice.
Any advice on which route to go? I have a vacuum canister laying around, my pedal was super stiff with that on there
86 Monte Carlo SS
@corybrowning19
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02-22-2015 #2
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I have the Kore3 C6 fronts and LS1 rears and I went with Tobin's recommendation which was a 9" Dual diaphragm booster, and 1" master cylinder. I got my booster and brackets from TuffStuff and my master cylinder is a 1" bore Right Hand drive 2002 S10 unit. About $50 bucks on amazon. I used the adjustable Wilwood proportioning valve/ bracket and made my own lines.
-Nick
-1967 GTO I drive and race
-Build threads:
-http://forums.maxperformanceinc.com/forums/showthread.php?t=615847&page=23
-https://www.pro-touring.com/showthre...project-thread
02-22-2015 #3
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I need to get a proportioning valve too.
How does the pedal feel with the 9"?86 Monte Carlo SS
@corybrowning19
02-22-2015 #4
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I am going to use that same set up on my camaro with c6 brakes. Should have it together in the next couple months.
Tim86 Mustang
454 LS3 Mast 4500 intake FTI cam Holley EFI Drag radials and pump gas 9.24 143.73
79 Z28 Bonspeed GT-B DSE front and rear Z51 Brakes 5.3 Holley EFI Vintage Air
02-23-2015 #5
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X2 on Nicks67GTO Recommendation. Have the same setup with 14" and 13" Wilwoods.
1969 Camaro SS 350 LeMans Blue
2015 Camaro Z/28
1979 Li'l Red Express
02-23-2015 #6
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I have the exact same setup on my Kore3 C5 front and rear. I have the DSE setup (same as Nicks but cheaper LOL) Works great! The prop valve was very easy to tune and get right.
Chris
1968 Chevy Camaro SS
LT4 (coming)/T56 DSE suspension
1969 Oldsmobile Cutlass S convertible (442 Clone)
LS3/4L70e, DSE suspension
02-23-2015 #7
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I have been running that same setup for the last 2 years, works great.
- Paul
70 Camaro RS Project Build
https://www.pro-touring.com/showthre...-Project-70-RS
90 Mustang GT Project Build
https://www.pro-touring.com/threads/...ang-Gt-Project
My Garage Project
http://garagejournal.com/forum/showthread.php?t=189511
02-27-2015 #8
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Well, I ordered a 9" dual diaphragm booster and im hoping it's bad out of the box. The pedal presses very softly and returns very slow.....so slow I can't pump the brakes
86 Monte Carlo SS
@corybrowning19
02-27-2015 #9
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Who did you get it from? Did you change master cylinders too?
Originally Posted by bad86ss
-Nick
-1967 GTO I drive and race
-Build threads:
-http://forums.maxperformanceinc.com/forums/showthread.php?t=615847&page=23
-https://www.pro-touring.com/showthre...project-thread
02-28-2015 #10
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Got it from advance. The master cylinder was replaced a few months ago
86 Monte Carlo SS
@corybrowning19
02-28-2015 #11
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Booster is a reman CARDONE and the master cylinder is a 15/16 bore from a 79 Riviera.
Even with the brake booster not hooked up, the pedal stroke seems longer than I want too86 Monte Carlo SS
@corybrowning19
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