Chevy Hi-Performance Homepage

Chevy Cams, Engine Heads & Valvetrains

Get cylinder head reviews, camshaft profiling, and even a step-by-step LT1 Engine build. For those of you that want the dirty details and technical expertise straight from the pros at Chevy High Performance, we got it all. For everyone else… well, the pictures rock!
Get a FREE no-hassle price quote on any new car.
Leakdown Test - Pressure Points Leakdown Test - Pressure Points
Run a Leakdown Test to determine the condition of your engine. more
Main Bearing Clearance - Cranky Dispositon Main Bearing Clearance - Cranky Dispositon
Checking main bearing clearances & crank endplay more
Cylinder Heads - Gone Platinum Cylinder Heads - Gone Platinum
Dart's New-Style Pro 1 Head Delivers at the Dyno more
Camshaft Profiling - Performance Profiling Camshaft Profiling - Performance Profiling
The info you need to pick the right 'stick more
Valve Spring Tech - Rev Happy Valve Spring Tech - Rev Happy
We were nothing less than thrilled about the performance of the 406ci small-block we built for January's "Old School Meets New" showdown.... more
Big Power for Little Cash - Small-Block Top-End Swap Big Power for Little Cash - Small-Block Top-End Swap
Swapping Top-End Parts to Make 523 Horses more
Some Assembly Required - Performance Head Build Some Assembly Required - Performance Head Build
When It Comes to Performance, It's All in Your Heads more
Small-Block 2.0 - LT1 Build Small-Block 2.0 - LT1 Build
Golen Engine Service Makes the LT1 Its Performance Platform more
Cylinder Head Vital Specs - Power Curves Cylinder Head Vital Specs - Power Curves
We Measure All Vital Specs on 8 Cylinder Heads more
Aftermarket Heads - Head to Head Aftermarket Heads - Head to Head
Dyno Testing to Determine What Aftermarket Heads are Really Worth more

Chevy Forums

283 horsepower-upgrades
hello everyone. im looking for simple upgrades to my original 283 - powerglide - 3.08 posi thats... more
1987 heads
I have a 1987 engine that came stock with the 350 TBI in a Suburban. I want to put this engine in... more
drill for fuel
Liberals Holding Us Hostage to Gas Prices View This E-mail As A Web Page "High [gas] prices have... more
burning ground wire?
i just put the motor im my 86 chevy and when i try to start it with the batery low i get smoke from... more
283 HELP HELP !!!
Anyone ever build a 283 I need some specs!!! :crazy: valve sizes cam specs intake ---carb cfms etc... more

Chevy Blogs

Our Project '73 Camaro Is Here!
I've been pretty quiet about it, but this past Saturday ... more
Gas Prices
Have high gas prices made you tighten your belt?   ... more
CHP Shootout!
I've always wanted an event for Chevy High Performance.  ... more
Winter Projects
It's that time of the year again ... more
Project X Reveal!
Project X! ... more