injector pulse width

[Ric Rainbolt]

>     I have put a TPI of a 305 camaro ('84 of memory) onto a 350 block.  
>     The cam is something like a 28/63 (fairly moderate for a mild cam).
>     
>     Does anyone have any idea how much fuel the 305 injectors flow (I 
>     think they are Bosch units) ?
>     
>     and the maximum pulse length required for the 350 using the same 
>     injectors (using the standard 305 fuel rail regulator)?
>     
>     Is it correct the 305 uses a 38PSI regulator, while the 350 uses a 
>     40PSI regulator ?
>     

According to a catalog I have from Performance Fuel systems, the following
Bosch injectors are used:

  GM 5.0 TPI is a 19 lb/hr @ 43 PSI inector (12 ohms).
  GM 5.7 TPI is a 22 lb/hr @ 43 PSI inector (12 ohms).

At least according to this list, all GM products are 43 PSI and all Ford
products are 39 PSI.

Hope this helps,
Ric Rainbolt
ricrain at airmail.net