Here is the latest reader question, along with my reply:
David asks: Where online can I purchase the 50.00 conversion kit for my 76 trans am shaker?
My reply: This is in reference to an article I wrote about a year ago (see here). There are several sources for the kit, including Year One. I bought mine here. It’s the same kit (I am pretty sure) as the Year One kit, but the seller offers the option to just get the flapper door assembly by itself – for $50 vs. $150-plus for the complete kit, which also includes the solenoids and hardware to reproduce the factory original system.
The difference is that with the $50 kit, you get what you need to replace the original block-of plate with a functional flapper, but do not get the additional parts to make the flapper function as the original 1970-1972 flapper did.
Meaning: Your $50 door will respond to vacuum and open as you depress the throttle. But it will not use a throttle kickdown as the original Pontiac system did.
I prefer the vacuum system and not just because it costs less. I like that the door responds to vacuum rather than staying shut unless I floor the accelerator pedal.
If you have any additional questions about this, please let me know!
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