Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Install Guide: Upgrading a 5.3 LS With a Cam Swap

Read about the hardships faced when Tim tried to fire up his 241 Dodge Hemi for his 1929 Ford roadster. Learn his tips for how to persist despite difficulties that will help any hot rodder with their own troubles.

Troubles Starting a 241 Dodge Hemi Engine - That's Hot Rodding

This or that: stripped down for speed or low and slow in a slick custom?

Pick a Side: Hot Rod or Custom

From the Model A coupe body to the dropped axle and chrome OEM wheels. This car project is a basic, but cool traditional hot rod. Comparable to the American Graffiti coupe. Read more on how to start planning your hot rod car build.

Model A Coupe Hot Rod

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

LS Cam Swap

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.

New Hubs for a Traditional-Style Hot Rod

Tim Matthews has been collecting pieces for this hot rod for a long time. Here's the amazing story in his own words...

Tim's Model A Roadster Hot Rod

Look up "hot rod" in the dictionary and you'll see a picture of this car.

'32 Ford Hot Rod

That flathead engine pictured on our street rod catalog cover is just one little piece of a pretty mean little Model T hot rod. Check it out.

Model T Sedan Hot Rod

Engine Family Facets

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COMP Cams Buick Odd Fire 231 Hot Rod Parts

COMP Cams Buick Odd Fire 231 Hot Rod Parts | Speedway Motors

Shop COMP Cams Buick Odd Fire 231 Hot Rod Parts and get Free Shipping on orders over $175 at Speedway Motors.

COMP Cams Buick Odd Fire 231 Hot Rod Parts

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Part

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Make

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Products

COMP Cams 850-1 High Energy Lifter, Hydraulic roller, Chevy, Each

COMP Cams 4919 Camshaft Installation Tool, Chevy, Each

COMP Cams 1218-1 High Energy Rocker Arm, Non-roller, 3/8 Stud, Each

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