4 Wheel & Off Road - - CONTENTS - Verne Si­mons BY ED­I­[email protected] PHO­TOG­RA­PHY VERNE SI­MONS

Adding a power booster to our 1970 Sub­ur­ban’s brak­ing sys­tem.

IF YOU ARE FA­MIL­IAR WITH OUR fos­silized 1970 Chevro­let Sub­ur­ban project ve­hi­cle known as Dino the Di­nosaur then you will prob­a­bly re­mem­ber that our goal with this project has been to pre­serve Dino for the fu­ture. Not to re­store Dino, or make Dino into the most ca­pa­ble three-door Sub­ur­ban ever, but rather to make Dino bet­ter at what Dino does.

We have re­freshed Dino’s sus­pen­sion, added some new (and slightly larger tires), cleaned up the in­te­rior, and up­graded the fuel sys­tem on the 350 V-8 to fac­tory GM TBI. We also added power steer­ing and limited-slip dif­fer­en­tials, chro­moly rear axles, and disc brakes to a newer open-knuckle Dana 44 front axle. Since that last up­grade Dino has been rest­ing (sum­mer in Ari­zona can be a down­right painful time to drive a clas­sic SUV with­out A/C), but one as­pect of Dino-ol­ogy has gone back­ward rather than for­ward. Once we switched Dino from drum brakes up front to discs, the old drum brake mas­ter cylin­der gave up the ghost. Some­thing in­side the mas­ter failed and brake fluid be­gan to leak.

Luck­ily there are up­grades avail­able to Dino that will make the brakes that much safer and more re­li­able. With a CPP mas­ter and booster (PN 6772-CT, $299 plus ship­ping) from our friends at Truckin’ Krazy Truck Parts of Mesa, Ari­zona, and a lit­tle el­bow grease, Dino is back to stop­ping bet­ter than ever. Check out the in­stall, in­clud­ing some tips and tricks to make every­thing a bit eas­ier.

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