Porsche 924 Turbo vs Rx7 Elford Turbo
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#10
acdelco d1906 Nkg 49034
two just out of college engineers.....one bought a new 924, the other bought a used 914.....924 engineer exclaimed, "boy, did I get ripped off!" after swapping cars for a drive off.
The 924 engineer was so dense, that he tried to drag race a pontiac trans am. The t/a is fantastic on dry pavement in a straight line, it can beat a ferrari.
The 914 engineer then got a used rx-7 fb. Wow, this handles almost as good as the 914, is a hell of allot faster, and is a hell of allot a hell of allot easier (squared) to work on.
The 924 engineer was so dense, that he tried to drag race a pontiac trans am. The t/a is fantastic on dry pavement in a straight line, it can beat a ferrari.
The 914 engineer then got a used rx-7 fb. Wow, this handles almost as good as the 914, is a hell of allot faster, and is a hell of allot a hell of allot easier (squared) to work on.
#11
The 'chip' was actually a very basic setup. 2 pressure switches work off the inlet manifold and send signals to a very simple system. The first is a 0.5psi switch that goes to ground as soon as any boost is detected, This then operates a solenoid which shuts off the automatic (vac) advance to the dizzy..... so it doesn't so much retard the timing as stops it advancing.
The other pressure switch is an 8psi switch that cuts the leading ignition if the boost exceeds 8psi.... this is a fail safe in case the wastegate fails.
Here's an Elford Turbo setup off the car...
and here it is in the car...
a simple, reliable setup but good for 165bhp. Not the fastest thing but very useable as a daily driver and gets good gas mileage which is important in the UK where gas is currently £6.19 ($9.69) a gallon.
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