Stock Eliminator LS7: How SAM Tech Got 825 Horses from a Naturally Aspirated, NHRA-Legal LS7 With a stream of Renegade 116-octane fuel running through the rails, the COPO LS7 performs best on 31 degrees of timing. SAM Tech varies the air/fuel ratio between 12.7:1 and 13.2:1 depending on the level of competition on a given race weekend. A Holley Dominator EFI system is tasked with engine management duties.
A Guide to Reading Spark Plugs (Image by OnAllCylinders contributor Lori Sams)
Handling How-To: Installing a QA1 Level 2 Handling Kit on an Early GM A-Body Handling How-To: Installing a QA1 Level 2 Handling Kit on an Early GM A-Body
Time to Rebuild (Part 1)? 7 Ways to Tell if Your Engine Needs a Rebuild Without Doing a Complete Teardown Time to Rebuild (Part 1)? 7 Ways to Tell if Your Engine Needs a Rebuild Without Doing a Complete Teardown
Tech Articles With a stream of Renegade 116-octane fuel running through the rails, the COPO LS7 performs best on 31 degrees of timing. SAM Tech varies the air/fuel ratio between 12.7:1 and 13.2:1 depending on the level of competition on a given race weekend. A Holley Dominator EFI system is tasked with engine management duties.

Stock Eliminator LS7: How SAM Tech Got 825 Horses from a Naturally Aspirated, NHRA-Legal LS7

Anyone can slap a supercharger on a stock 505-horse LS7 and pick up an extra 200 horsepower. And thanks to the incredible untapped potential of GM’s factory LS7 cylinder heads, gaining huge […]

How Tos (Image by OnAllCylinders contributor Lori Sams)

A Guide to Reading Spark Plugs

Your spark plugs are like a cipher. And to read a cipher code, you usually need a cipher key. That’s what this is—a cipher key that is going to help […]

Automotive & Aftermarket News (Image/Mashable)

VW to Buy Back 500,000 U.S. Vehicles Which Cheated Emissions Laws

Volkswagen AG will buy back about 500,000 diesel vehicles which were part of the emissions scandal that rocked the German automaker last year when it became known the vehicles used […]

Product Installs Handling How-To: Installing a QA1 Level 2 Handling Kit on an Early GM A-Body

Handling How-To: Installing a QA1 Level 2 Handling Kit on an Early GM A-Body

Automotive suspensions have come a long way since the original muscle car era of the 1960s and early 70s. Today’s shock technology allows for tuning your suspension for maximum handling […]

Recent Posts

BangShiftin’ and RoadTrippin’: Rat Rods, Customs & More at the Viva Las Vegas Rockabilly Weekend
Videos & Galleries

BangShiftin’ and RoadTrippin’: Rat Rods, Customs & More at the Viva Las Vegas Rockabilly Weekend

If you’re a fan of pre-1963 era customs and rat rods, Las Vegas is the place to be in April. The Orleans Hotel played host to this year’s Viva Las […]

Video: How Upgraded Bearings Boost Engine Performance
Tech / Videos & Galleries

Video: How Upgraded Bearings Boost Engine Performance

“Upgrading even the most basic engine parts like engine bearings can give you a great performance advantage,” said Summit Racing tech expert Norm Koval. In this short tech tip video […]

Fortunately, they had also decided to visit the Summit Racing Equipment Retail Store in Tallmadge, OH before heading out. They were able to get to the store, get the replacement parts they needed, and make the repairs right in the parking lot!
Featured Vehicles / From the Summit Racing Catalog

Video Feature: Dennis Spencer’s 1958 Chevy Delray

You might call them one-hit-wonders or unicorns. Guys like Dennis Spencer call them their favorite vehicles to collect. “He has a serious thing for single-year cars,” says Libby Spencer, Dennis’s […]

Atlanta Motorama: A Lambo Engine in a Motorcycle?
2016 Atlanta Motorama / Atlanta Motorama

Atlanta Motorama: A Lambo Engine in a Motorcycle?

You did not misread that headline. And, while it’s still April, this is not another one of our famous April Fool’s pranks (but rumor has it a national sanctioning body […]

Monday Mailbag: Budget-Friendly Ways to Lower Engine Operating Temps
Q&A / Tech

Monday Mailbag: Budget-Friendly Ways to Lower Engine Operating Temps

You’ve got questions. We’ve got answers—Mondays, when the Summit Racing tech department tackles your automotive-related conundrums. This week in our Monday Mailbag, we’re looking at ways to keep engine operating temperatures low. C.B. […]

Line, B. Force, Wilkerson & Hines Win Four-Wide Nationals
Motorsports

Line, B. Force, Wilkerson & Hines Win Four-Wide Nationals

Team Summit remained undefeated with its fifth-straight win in Pro Stock, and Top Fuel’s Brittany Force raced to her second victory of the season Sunday at the NHRA Four-Wide Nationals […]

Parts Bin: FUELAB Fuel System Components (Including Performance Diesel)
New Products / Parts

Parts Bin: FUELAB Fuel System Components (Including Performance Diesel)

From time to time, OnAllCylinders will provide a peek at some of the newest products and deals that can help get your next project on track. In this week’s parts bin, […]

(Infographic by OnAllCylinders contributor Lori Sams)
News & Car Culture

Ride Guides: A Quick Guide to Identifying Ford Falcons

The Ford Falcon lived from 1960 to 1970 (technically model year 1970 1/2), outselling its GM and Chrysler rivals for several of those years. The two-door compact shared a chassis with […]

Ask Away! with Jeff Smith: The Great 5.3L Truck Swap Debate Revisited!
Q&A / Tech

Ask Away! with Jeff Smith: The Great 5.3L Truck Swap Debate Revisited!

Editor’s Note: The following letter is in response to an answer in a previous column concerning whether to go with a 5.3L LS engine or a larger 350ci small-block Chevy. […]

(Image/Mashable)
Automotive & Aftermarket News

VW to Buy Back 500,000 U.S. Vehicles Which Cheated Emissions Laws

Volkswagen AG will buy back about 500,000 diesel vehicles which were part of the emissions scandal that rocked the German automaker last year when it became known the vehicles used […]