Recent content by Joe Armstrong

I went to Champion Cylinder heads today and bought those exact springs!!

That did the trick! I found a broken damper on #3 exhaust. Any recommendations on replacement springs? I have a 206/210 roller cam with 1.65 roller rockers.

I made a valve spring compressor similar to the ones I’ve seen here. I have the cylinder pressurized with air. When I compress the spring assembly the valve moves into the cylinder. The valve stem sinking won’t allow me to pull the keepers. The center of the valve spring is fully exposed and is...

I have a Turbonetics Stage 4 TE 60 turbo. A Sperco stock location intercooler. Fuel rail with 50# injectors Tial blowoff valve mounted in inlet pipe. (2) TT chips. One for street and one for race. Stock fuel tank with upgraded fuel pump I purchased the car with these parts on it. I’ve...

Thank you for this information!

How are folks able to run 120 lb injectors with a factory computer? The car I bought has a power logger and a wide ban o2 sensor along with an input from a fuel pressure transducer. I haven’t attempted to connect to it. I want to but I know nothing about how to do so.

I haven’t had it to the track yet. I’ve owned 11 second cars and I’m sure this one is faster. I’m guessing somewhere in the 10’s.

This is the mystery chip in my car. Can anyone help decode it. I’m hoping it will give me the injectors and turbo size that should have been given to burn the chip.

Here some pics of my GN.

Hello everyone, I live in Port Orange,FL and I recently acquired an ‘87 GN. It has many upgrades including a rear 4 link suspension. It also has an unfinished roll cage. Currently has scanmaster, logger, Bailey Ignition, a large stock mount intercooler, bigger turbo and injectors, eboost boost...

I’m looking for gnttype people in the Port Orange, FL area.