Chevelle Tech Archive of Technical Help

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This archive of Chevelle history and technical knowledge is abstracted from Chevelle Tech and the newsgroup Chevelle@lists.best.com. Other postings are selected on individual merit.

Historical & Technical Information
There are 231 articles listed on this page.

M echanical

Why Isn't This Gas Gauge Reading Accurately?
Rubber Bumpers on this Chevelle
How To Remove A 68 Chevelle/Elky Heater Core.
Malibu Brake Pedal Is Losing Pressure; Is There A Leak?
Converting 1970 SS To Full Factory Gauges
How Can I Fix A Speedometer Which Is 10 MPH Off?
What Brake Lines Do I Need For My Converted 1966 SS?
Total Timing
What Is The Best Way To Lower The Front Two Or Three Inches?
How Do I Clean And Paint The Inside Of My Frame?
How Do I Get This Rusted Body Mounting Hardware Apart?
Why Do My Front Brakes Bleed, But Not My Rears?
Where Do I Find Official Blueprints For Making Replacement Parts?
Parts Car Has AC; Can He Transfer It To His 1968 Chevelle?
The Shim-Small Pieces Producing Lots Of Smaller Pieces
1969-Installing Factory gauges Into Idiot Light Car
Transforming A 1965 SS To A V8

Engine

Timing Chain Rubs on Block
Why Is This 1968 327 Chevelle Bending Pushrods?
This Chevelle Will Turn Over Only A Quarter's Worth
Can I Use These 1966 BB I/E Manifolds On My 1972 402?
Why Don't the A/C Accessories Fit on this 1969 350 Transplant?
Why Does My Chevelle Get Tired After 15 Minutes?
Should I Shut Down My Engine If It Reaches 210 Degrees?
Long vs Short Water Pump
Balance and Blueprint ?
Re-adjust Valve Lash or Not?
What Are The Specs On An LS7?
Can 6" And 8" Harmonic Balancers Be Interchanged?
Are These $30 Swapmeet Heads Really From An L88 Vette?
What Could Be Causing Problems With My High Energy Ignition System?
Have You Heard About These Two Header Sealing Tricks?
What Is This Metal Clinging To The Pan Magnet?
1968 SS Chevelle; What Color Were The Fan And The Pulley?
What Was The Net Horsepower Rating For My '72 350ci?
What Is The Hardware Difference Between 325-350hp 396's?
How Can I Find The Source Of This Tick?
What Is Causing The Knocking And Pinging In My '64?
Can't Find The Correct Starter For The LS6
Finding The Correct 283ci Valve Covers
A Boring 307?
Which Heads With A Supercharger?
Is This A Boring 307?
Metal To Metal Or Buffered?
1969-Proper Idle Speed For 350ci?
Spun Bearing Eats. Is It All Over?
Expectorating '66
Installing A "W" Big Block Into A Chevelle
Radiator Support and Air Cleaner Paint, 1971

Transmission

Is My Dehumidifier Causing My Transmission To Leak?
Why Is My TH400 Shifting Strangely?
Explain Differing Speedometer Driven Gears In My Muncies
Do I Need A Stall or Torque Converter On My 1967 396?
700-R4 Lock up converter
Roasted Second Gear In My TH350; How Hard Is A TH400 Conversion?
Muncie Synchro's Are Gone; Is This Hard To Fix?
What Muncies Were Available In 1968?
How Different Is The Linkage From Powerglide To TH350?
Can I Modify A Powerglide Column For My TH350?
Can You Identify My Muncie From These Codes?
To Lower Freeway RPM's, Better To Use 700R4 Or TH350C?
Should I Replace My Noisy M21 With An M20, Super T10?
Should He Use His Powerglide Torque Converter In His TH350?
Should He Put A Lockup In His TH350?
Which "Muncies" Were In What Chevelles?
Making The Indicator Line Up
Changing From Mechanical To Electrical Kickdown
Comparing the 700R4 To The TH350 and TH400
Super Shifter vs. Comp Plus; Installation, Performance
Swaps, 5 or 6 Speed Into A 1968
Powerglide to TH350, TH400. Which is Best?

Rear-end

A Light Rubbing of His Rear-end?
Will A 10 Bolt Hold Around 400hp? Is This A Positraction?
Will A Stock 10 Bolt Positraction Handle An LS6?
What Rears And Transmissions Came With The '72 350ci?
Trying To Get Better Mileage
Can I Use A 2-Series Carrier For 3, 4 Series Gears?
What Rearends And Transmissions Were In '72 350ci's?
Can You Tell The Rear Gears On A '69 Without Opening?

Chassis

Boxed Control Arm Q & A
The Service Department's Lift Hits the 1966 Rear Sway Bar, OK?
Did All 1969 SS's Have Boxed Rear Control Arms?
Rubber Springs on This El Camino
Converting A 1965 To Power Brakes
Should I Keep the Original Shims on a Front End Rebuild?
How Can I Tell If This Is An Outer or Inner Tie Rod?
How Do I Change My Bent Chevelle Axle?
Why Is This 1970 Chevelle 1" Higher On the Passenger Side?
Where Can I Get Graphite Inserts For My Body Bushing Kit?
My '69 Malibu Has A Noise Like Keys Rattling Around the Engine.
Polyurethane Bushings
How Do I Mount Rear Sway Bars In My '67; Not In The '67 Assembly Manual.
Can I Remove And Replace The Fuel And Brake Lines Without Removing The Body From The Frame?
Does My Car Have To Be Running To Bleed The Brakes?
How Can I Find The Correct Springs For My 1969 SS?
Can I Use Drum Spindles With My Disc Conversion?
What Are The Correct Colors For My '69 SS Undercarriage And Engine Compartment?
Will These Wheels And Tires Fit Under My '66?
What Is The Factory Ride Height For A '66?
Can New Springs Help Me Use My 295 60 15's?
Is Silicone Brake Fluid Better For My Chevelle Than DOT4 or 5?
Getting A 2" Drop With A Drum To Disk Conversion
Possible Frame Painting Techniques
Which Tires Will Work On These 15 x 10 Rims?
Cleaning The Underbody Without Sandblasting
Converting From Power Disk Brakes To Power Drums
Converting Drum Brakes To Power Drum Brakes
Removing The Pinion Yoke And Replacing The Seal
Replacing Body-To-Frame Cushions
1968 Front End Rebuild Questions
How Do You Protect Chemically Stripped Frame Rails?
Polyurethane, Polygraphite, Rubber Bushings For My '65?
Can He Add A Younger Bottom To That Body?
A Chevelle With Liberal Leanings
Is This Chevelle On The Level?
How Do You Mount The Replacement Battery Tray?
Are Small Block and Big Block Engine Mounts Interchangeable?
Brakes, Why All That "Extra" Line?
Brakes, Converting 1966 To Dual Master Cylinders

Electrical

Why Is the Alternator not Charging the Battery?
Venting His Problems With Fans In His 1971 Malibu
Dash Lights, Turn Signals and Brake Lights Are Not Working
How Do I Test My Gas Gauge?
What Is Required To Convert To A More Modern Alternator?
Do I Need To Add A Ballast Resistor?
Was There A Printed Circuit Board In 1969?
Is This A Soft Battery, Bad Bearing, Loose Belt Problem?
Front Turn Signals Dead; Rears Are Fine, Thank You
'66 To Be Grounded Pending Further Tests
Need To Find A Hot Wire When Key Is On
Why Do My Headlights Dim At A Stoplight?

Body

What Is The Best Way To Remove Front Fenders Without Hurting Them?
Wind Gust Rips Off Malibu Windshield Chrome
How Can I Polish My Window Trim?
How Do I Clean Up Brushed Aluminum?
What Causes the Bad Rattles in the Windows of this 66 Chevelle?
What Is the Correct Color of the Firewall in My '70 Malibu?
What Shade of Black is the 1970 Chevelle SS Grille?
My Driver's Floor Is Soaked. Where Is It Coming From?
Vinyl Top Replacement
Can I Replace My Body Bushings Without Completely Removing The Body?
The Secret To Easy Body Mount Installations
Letting Air Out Of The Tires Will Help Get The Body Off Of The Frame
Did The 1968 SS Have Body Stripes?
How Do I Reconstruct The Fender/Wheel Flange On My '70?
Should I Use The Full Floorpan Replacement In My '67?
Which Window Mechanisms Will Work In My '68?
Even Copies Of These Can't Be Found
What's Involved In Changing This Vinyl Top?
Would You Try To Install A Convertible Top On Your Own?
How Much Can He Use From A '72 4-Door; He Has A 72 2-Door?
Spray-Can Primer Before Taking It To The Paint Shop?

Interior

How Do I Stop My Leaky Elky?
Shaving Cream and Cigarette Ashes Can Polish Plastic Gauge Lenses?
Are 70-72 Stereo Dash Pads Straight Swaps For Center Speaker Pads?
Can I Remove Paint From My Plastic Interior Pieces?
Do You Have Any Tips For Headliner Installations?
How Can I Remove The Ignition From The Column On My 69
How Can I Remove The Ignition Lock From My 68 Malibu
Glove box lock removal
Unassembled door panels
Are These Buckets Original To My Car?
Where Can I Find A Dash Panel For A '71 SS?
Reconditioning The Bezel; Bringing Silver And Chrome Back To Life
I Have This Big Hole Where The 4-Speed Hump Should Be
1971-Where Can I Get A Dash Panel?
Stalking The Wild 1970 Console
He Wants To Do The Interior Himself
What Should You Use To Paint Interior Pieces?

Identification

RPO ZL3 Question Answered
1969 SS Post Car - Is It Real?
Is it a Matching Numbers ?
What Is The CGC Code In A '71 El Camino?
Tell Me What My 1965 Convertible Is.
What Is This 1971 CLB Code Engine?
Can You Identify This 1969 V-Code Engine?
Can You Decode Rear and Side Windows As Well As Front?
Have You Ever Seen A COPO With These Numbers?
How Were Heavy Chevy's Different From Super Sports?
Can This 3"x8" Paper Be A Build Sheet? SS Or 300 Deluxe?
Can This Z16's Carburetor Have A 1966 Build Date?
How Many 1970 4-Doors Were Made? Are They Rare?
Big Block Built 10 Months Before Body; OK?
Smog Pump Is Official GM, But Not "Correct"
"CE" On Your Big Block Is A Service Rat
Are Misstamped VIN Numbers Really Only A Myth?
That Check-Digit Fools A Lot Of Chevelle Owners
How Can I Verify That This Is A 1965 L79 SS?
What Is A 1969 "KG" Code?
Is This A Factory 1966 427 Chevelle?
1966 Cowl Tag Translation-Is It Useless?
Block #3956632 Head #3927185
Corporate Office Production Order (COPO) Codes
RPO ZL3, A Factory "Conversion"?

Performance

Which Headers For My '67 Big Block Conversion?
Will This Buildup Work On My '68 396ci?
700R4 Modifications To Match Performance Engine
New Performance Intake and Carburetor; Where Do I Get A Kickdown Linkage?
What Headers Do You Recommend For My 1968 Big Block?
Keeping This Chevelle On The Ground
100 Octane Gas-How Can I Mix For More Performance?
Are My Flowmasters Going To Be Too Loud?
Are These Realistic Plans For A 66SS Daily Driver/Cruiser?

Miscellaneous

Tires/Gear Ratios
How Do I Get Rid of Bug Pits and Spiderwebs In My Windshield?
What Day of the Week Was this Chevelle Built?
Title: What Should I Do Before Storing My Chevelle?
How Should I Restore My Gas Tank?
What Is A Good Source For 1980 and Newer El Camino Parts?
Is There More Than One Size Of 14" Rally Wheel?
Can I Retrofit My Air Conditioning For R134?
Are Steering Columns From 1967 and 1968 Interchangeable?
Here Is How A Monte Carlo Buildsheet Can Be In Your Chevelle
How Do I Get Rid Of These Bad Waterspots?
Why Is This El Camino Burping?
1970 SS With 15x8 Wheels; Are 235 60 R15's OK?
Will A Suburban Pan And 275 60 15's Fit My '72?
What Steering Wheel Hub Assemblies Are Correct For 1964-65's?
Reaching For Proper Emissions
Can I Use 7" Or 8" Rallies With My P255 60 Tires?
Do 10" Wheels Require Some Cuts?
What's The Best General-Use 15" Tire?
In Pursuit Of A '70 Concours Restoration
'73 Restoration Tips
How Rare Is A Canadian 300 V8 Convertible?
Is This '71 Big Block Rare? It Is Not An SS.
Should This Six Cylinder '64 SS Become A V8?
Were There Body-Colored Mirrors In 1970?
A Solution To The High Cost Of Shipping Fenders
Creating A Daily Elky

Historical and Technical Information
One of the most disheartening things about being a classic Chevelle collector is that very little first-hand information about our cars survives today. The oral histories of the product developers, the assembly plant workers, the service technicians and the feelings of an 18 year old with his new Chevelle will soon be gone forever. These archives were created to attempt to preserve the historical and technical information which will continually warm the hearts of those of us who lived through a period of automotive exuberance for which none of us need apologize. The history of the Chevelle was a history of our youth and the passion of the Chevelle was our passion. It still is.

Archiving began on April 11, 1997. Postings on the ACES Chevelle Tech page are archived if they are more than 30 days old. Email postings are archived quickly after they are posted to the Chevelle newsgroup.
A word of caution may be in order: we will never archive an item which we know to be incorrect; however, we have a tremendous respect for the democracy of the Net. Inaccuracies and differences of opinion will certainly find their ways into our pages. As Dan Rather once said, "I believed my Mom but I always double-checked her sources."

Archivist: Tom Wilson

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