Hello guys just wondering what are some good after market injectors recommend size?
currently what is done to car
350 bored .30 over
Engle Chevy 350 4bolt main 87 block

Bored .30 over

Eagle rotationing assembly kit

Keith black flat top hypertonic pistons

1.5 comp roller rockers

Comp cams 490lift

Dart aluminum cylinder heads 127122
stock intake and injectors and tpi

 

Southbay Bosch 3s

 

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22# or 24# would be all you really need. Ideally 22# if you're on a stock tune, but countless people have had zero issues with 24's on the stock tune. Myself included.

 

So I’m going to get the car tuned so would 24s be better or 22 still good do know what the stock size is thanks for all the help

 

Stock 350 is 22#hr

 

Ok so 24s probably my best bet when tuned?

 

SouthBay 24s for sale here
https://www.thirdgen.org/forums/engi...hbay-24-a.html

 

So stock injectors are 22# for the L98/350. If you change that, but not the tune, the computer won't be signaling the injectors to open for the right amount of time. With 24#, being larger than stock, you'll be injecting more fuel with every injection. Vice versa if you went smaller than 22#. But as I mentioned earlier, the difference between 22# and 24# is so minimal, it's likely to not cause any issues. Many many people have run 24# without having it tuned and never seen any negative effects. Still, to do it properly, you need to tune for any change. If ya wanna get REALLY deep, even 22# injectors made by different companies flow differently, and should "technically" be tuned for....but don't even worry about that.

...Since you ARE going to have it tuned though, it really doesn't matter which you choose, as the different sizes can/will be accounted for in the tune. If you choose a larger injector, the injector will just fire for a shorter period of time because it's injecting more fuel. If you choose smaller, it'll just stay open longer. Either the 22 or 24 will be MORE than suitable for your application.

 

thanks guys. Yes give us a call and we'll be more than happy to help you.
516-442-4707

 

Any plans to upgrade tpi? 24 lb should cover that. Good heads but not good intake so it will be restricted some in power. A better intake and cam you could get up to the max end of 24’s easily