How to Hot Rod 6-Cylinder Chevrolet Engines eHow.com

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How to Hot Rod 6-Cylinder Chevrolet Engines eHow.com

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How to Hot Rod 6-Cylinder Chevrolet Engines


The muscle-car era inspires images of powerful, iconic V-8s powering
sleek cars down the road with a throaty grumble. However, many classic
cars came with inline-six-cylinder engines as well. While the Chevy
inline-six models featured much less torque and horsepower off of the
showroom floor, there are a number of methods available to boost
performance and "hot rod" the engine, to pull as much power as possible
from all six cylinders.


Difficulty:
Moderately Easy

Instructions




Things You'll Need


* Aluminum two- or four-barrel carburetor
* Timing gear system
* Aluminum intake manifold
* Aluminum cylinder head
* Custom-ground camshaft
* Electronic ignition system


1.
* 1


Replace the cast-iron cylinder head and intake manifold with
aluminum counterparts. It is crucial to shed weight, as well as
increase performance, to get an inline six-cylinder functioning at
peak capacity.



* 2


Replace the cast-iron exhaust manifold with an exhaust header. There
are numerous aftermarket manufacturers that produce inline-six
single-exhaust headers. This increases the rate at which exhaust
gases are expelled from the cylinder head, which allows the
induction system to increase the rate of intake of both air and fuel.



* 3


Install a custom-ground camshaft with higher intake and exhaust-lift
duration specifications to maximize the amount of air, fuel and
exhaust that the inline six is able to move.



* 4


Replace the points or HEI ignition system with an electronically
controlled ignition system to stabilize timing and delivery of spark
to each cylinder.



* 5


Install a higher flow carburetor onto the aluminum intake manifold
in order to increase the flow of air and fuel into the engine. Do
not install a carburetor that pushes too much air and fuel, though.
Generally a carburetor that pushes 500-650 CFM is more than enough
for six cylinders to handle.






References


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Comments


* Mykle Jul 18, 2011
where do they make an aluminum cylinder head for a inline 6?


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