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06-21-2010 #1
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- Jul 2008
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- Dallas, TX
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Ok, it looks like 76-80 Monza's had 7/8" bore masters (Part # M1741 at autozone). It looks like they are shallow pocket on the piston. Is that what works best, or do I need to find one that has a deeper pocket? Going from vacuum booster, I have no idea.
'69 Chevelle - LQ4/T56
'71 GMC SWB Fleetside - LM7/AR5
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06-22-2010 #2
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- Mar 2005
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- Loganville, GA
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Use a master with the deeper pocket (and corresponding longer pushrod) so it doesn't fall out while driving. I am using a 1" 67-76 Corvette master cylinder with C5/LS1 brakes. It stops very well, but takes a bit of effort, but the HP+ pads help (more aggressive pads help). It works well enough while autocrossing, daily driving is no problem. A 7/8 or 15/16" master should stop a bit better with less effort but slightly more pedal travel.
Originally Posted by claytonisbob
2018 Cruze LT Hatchback
2003 Suburban 2500 8.1L
1975 MGB Roadster
2003 GSX750F Katana
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