Will Manual Gears in a Gearbox Fit in a Power Steering Box in a 69 Chevelle UPDATED

Will Manual Gears in a Gearbox Fit in a Power Steering Box in a 69 Chevelle

Engine & Exhaust / Q&A / Tech

Ask Abroad with Jeff Smith: What's the Correct Steering Box for my Early on Chevelle?

Posted past on June 20, 2014 at 10:21 am

I have a '67 Chevelle that I have decided to swap in a faster ratio steering box. All the stories I've read suggest that an '88 Monte Carlo steering box is the way to get, only I recollect they are probably all gone as I can't find one anywhere. Whatsoever ideas on a skillful alternative?

1000. S.

You are in luck because information technology seems that the early Chevelle steering box envelope was used in numerous applications. To jump correct into this, we've included a nautical chart that lists a bunch of 1990s vehicles that should exist relatively plentiful in the boneyard.

Simply rather than search through the junkyard in hopes of finding the correct box, a much easier method is to spring up on Peak Racing'due south website and expect for remanufactured gear boxes for these applications. As an example, A-1 Cardone offers a remanufactured steering gear box for the '88 Monte Carlo that sells for $79.99 and requires a $29.00 core charge, but with free shipping the total cost is $108.99 and this is a remanufactured piece-not a leaking junkyard refugee.

Before you lot bolt it on, be aware in that location are some changes you lot will have to make. Outset of all, the steering input shaft bore changed after 1976 to a smaller ¾-inch shaft from the early on Chevelles' thirteen/sixteen-inch along with a dissimilar spline count. This ways you will need a different rag joint, that safety donut-looking piece that isolates vibration between the steering shaft and the steering box. The good news is that GM built several vehicles that will arrange the box to the shaft – and that rag joint is a Dorman part that Summit Racing carries. Some balmy modifications volition be required on the Chevelle's steering shaft flange that attaches to the rag joint, merely this is easily accomplished with a die grinder.

This is an aluminum Earl's o-band plumbing fixtures also known equally a Saginaw plumbing equipment for the connexion to a Saginaw power steering pump. Information technology's best to employ a steel plumbing equipment for the steering box as they are more robust.

Adjacent, the newer steering box is metric merely don't fret. Your Chevelle Pitman arm will commodities right up. Notwithstanding, the fittings in the box for the high pressure and return lines will be metric in the new box. This will require a determination on your function. The easiest mode to go is to apply high quality, braided steel or, my favorite, that fabric-covered rubber high pressure hose with button-on steel fittings. Earl's, for instance, sells metric steel O-ring fittings (besides called Saginaw fittings) that volition bolt right into the steering box with a -six male person connection for the AN hose. The high pressure 18mm fitting and the low pressure 16mm fitting are both $nine.95. The power steering pump will crave an inverted flare adapter to a -6 male for both the high pressure and low pressure sides. I prefer to utilise steel fittings here equally they are more durable. The Earl's 5/8 x sixteen thread inverted flare to -6 male person is $9.97.

You will annotation on the chart we listed the Pitman arm travel in degrees. The 87-degree arc is exactly the same swing as a stock Chevelle steering box, and so at that place is no loss of turning radius. You may take heard that a third-generation Camaro ('82-'93) will work with a Chevelle, and it volition. Just the travel arc is merely between 68 and 72 degrees, which means the Pitman arm will non travel as far, reducing the Chevelle'south turning radius. I've tried this swap and discovered that this loss of turning radius is very aggravating so I don't recommend you use a 3rd-gen Camaro steering box. We didn't get into it on the application chart, but in theory the S-ten trucks and Blazers finer use a Monte Carlo style front pause, which means the steering box will also interchange. At that place are probably ratios that are quicker than others, and so that's another option should you choose to go that road.

I last note: One time you accept the box installed in the car, and hoses connected, use a loftier quality fluid like Royal Purple, Lucas, Red Line, or the Joe Gibbs Driven fluids. With fluid in the pump reservoir, exercise non start the engine yet. It'southward important to bleed the air out of the steering box before starting the engine and creating pressure. With the front tires off the footing, manually swing the tires to full lock left and right numerous times. Y'all will notice air bubbles emerging from the fluid and the level will driblet. Maintain the proper oil level in the pump reservoir until no air bubbles sally as you swing the steering lock-to-lock. Now start the engine and again rotate the steering through its entire swing earlier lowering the front tires to the ground. The organisation at present should be fully purged of all air and ready to test drive. Double check all your steering connections to ensure everything is tight before yous drive the car. Then enjoy your new fast ratio steering. The deviation will be amazing.

Tags: Ask Away, chevelle, Jeff Smith, steering box, steering boxes

Author: Jeff Smith Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Afterward graduating from Iowa State University with a journalism degree in 1978, he combined his 2 passions: cars and writing. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. In 1987, he causeless the role of editor for Hot Rod mag before returning to his first love of writing technical stories. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. At present he serves as a regular contributor to OnAllCylinders.

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Will Manual Gears in a Gearbox Fit in a Power Steering Box in a 69 Chevelle UPDATED

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