Common questions

How to convert Camaro TBI to speed density TPI?

How to convert Camaro TBI to speed density TPI?

Bolt the runners to the intake manifold and then go on with the injectors and fuel rails, the Helm manual recommends you put a little engine oil on the o-rings before you install the injectors.

Can a 1990 Camaro be converted to a TBI?

This conversion was done on my 1990 Camaro RS 305 TBI, my goal was to make the conversion as clean and as easy as possible. Before you start I will warn you this is a major change to your car and will take a lot of work and time.

Where are the TPI connectors on a Camaro TBI?

The connectors from the charcoal canister, brake proportion valve located under the master cylinder and the connector from the power steering pump (You will not need to connect anything here, at least my TPI harness did not come with a connector.

How does the TBI system work on a car?

TBI being a MAP sensor based system will see the leak just like opening the throttle blades and will feed the leak and then you have a high idle. Finding the leak can be tricky as it can be the intake gasket on the bottom side if you are using a Chinese junk carb intake or you weren’t real careful putting the intake on.

This conversion was done on my 1990 Camaro RS 305 TBI, my goal was to make the conversion as clean and as easy as possible. Before you start I will warn you this is a major change to your car and will take a lot of work and time.

The connectors from the charcoal canister, brake proportion valve located under the master cylinder and the connector from the power steering pump (You will not need to connect anything here, at least my TPI harness did not come with a connector.

Bolt the runners to the intake manifold and then go on with the injectors and fuel rails, the Helm manual recommends you put a little engine oil on the o-rings before you install the injectors.

Where are the TBI fuel injectors located on a Camaro?

The TBI fuel injectors have to be unplugged from the harness as well as the TPS and IAC valve as well as the distributor. The two connectors for the smog pump.

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Ruth Doyle