Best Injector choice for stock 305 TPI?
Thread Starter
Junior Member

Joined: Apr 2002
Posts: 33
Likes: 2
From: Glen Burnie, MD
Car: '85 Z28 TPI
Engine: 305 F vin
Transmission: 700
Axle/Gears: 3.23 posi 10 bolt
Best Injector choice for stock 305 TPI?
Guys,
I have cruised the site for well over an hour and have yet to glean a sure answer to my question. I'm certain this has been around countless times and I get that the stock 1985 TPI injectors are fault prone but what is the best choice for replacement injectors for my (basically) stock 305 TPI motor? Is it a safe bet that the Bosch Gen II that SFI sells are the top choice or am I missing something?
I did install a slightly hotter chip in the ECM which simply adds some fuel. Sorry to be a bore but I'd like to get straight on this issue.
Thanks, Randy
I have cruised the site for well over an hour and have yet to glean a sure answer to my question. I'm certain this has been around countless times and I get that the stock 1985 TPI injectors are fault prone but what is the best choice for replacement injectors for my (basically) stock 305 TPI motor? Is it a safe bet that the Bosch Gen II that SFI sells are the top choice or am I missing something?
I did install a slightly hotter chip in the ECM which simply adds some fuel. Sorry to be a bore but I'd like to get straight on this issue.
Thanks, Randy
Thread Starter
Junior Member

Joined: Apr 2002
Posts: 33
Likes: 2
From: Glen Burnie, MD
Car: '85 Z28 TPI
Engine: 305 F vin
Transmission: 700
Axle/Gears: 3.23 posi 10 bolt
Re: Best Injector choice for stock 305 TPI?
Thanks, Southbay- Do you guys carry the 19lb bosch lll's?
NEVER MIND, I see them on your site.
Any advantage with the 19lb bosch lll's?
NEVER MIND, I see them on your site.
Any advantage with the 19lb bosch lll's?
Re: Best Injector choice for stock 305 TPI?
Well, the genll's are the older style bosch. They have a 4 spray pattern and actually atomize the fuel very well. It 's a fine injector....we sell them all the time. The bosch lll is the newer design of the two. It has the 4 spray pattern as well, however the atomization is a little better on these due to the newer design. You can't go wrong with either one.
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