Replacement Fuel Injector LT-5

[STATION]

Halo everybody I'm going to refresh my LT5 engine so I replaced my coils with Msd

And I changed my fuel injector with
I replaced the injector with 21 lbs
But the table it shows me 21 lbs below 9.7 compression and the LT5 eng is 11.1 compression ratio.

Which one is better for The LT5 is there any suggestions or recommended to go with ???


Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)

[secondchance]

My 378 mini stroker is at 12.5 and Accel 21 pounders are perfectly fine.:cheers:

[STATION]

My 378 mini stroker is at 12.5 and Accel 21 pounders are perfectly fine.:cheers:



I s/up my engine with accel 21 and it run fun .
The number on the duno 350 hp

https://uploads.tapatalk-cdn.com/20170708/b626f1184bea3f3e001e8a691ea13084.jpg

And there is no problem.

But if i go with the table and install accel 30 lbs there's any problem..
Did anyone install 30 lbs



Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)

[efnfast]

I'm not the expert here, but don't forget you have two injectors per cylinder.

[Paul Workman]

8 years now on Accel 150821s. Runs perfectly from idle to 7600 rpm. Compression now 11.5:1 with full porting. Dyno'ed 432 hp at the wheels on pump gas. Stock idle = real SLEEPER!

[STATION]

I'm not the expert here, but don't forget you have two injectors per cylinder.



Yes your right I forget that.
That means 21 *2 = 42 lbs
Thank you my friend [emoji106]


Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)

[STATION]

8 years now on Accel 150821s. Runs perfectly from idle to 7600 rpm. Compression now 11.5:1 with full porting. Dyno'ed 432 hp at the wheels on pump gas. Stock idle = real SLEEPER!



I'm just Confused [emoji23][emoji106]


Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)

[Flyman 27]

Accel used to be a quality product. I read that their injectors are now made in China (??). Does it say on the packaging? If that matters to anyone.

I used to be a die hard MSD proponent myself. Used them many times since my first hot rod build in 1980. But now I read that they moved their coil & ignition production to China.

Over the years I have had loads of problems with parts made or rebuilt in China. I do everything I can do to keep away from them.
Does anyone know who makes coils for our cars that are made in USA?

[tf95ZR1]

Air/Fuel ratio looks a little rich....

[Top Toy]

I replaced my coils with AC Delco Professional Grade. Gold plated (corrosion proof) terminals. Don't know how the rest of the specs compare but they seem to work well.

Sent from my XT1254 using ZR-1 Net Registry mobile app (http://r.tapatalk.com/byo?rid=90383)

[billschroeder5842]

I'm reasonably handy, but pulling the plenum still scares me

[HAWAIIZR-1]

I'm reasonably handy, but pulling the plenum still scares me


Purchase Marc Haibeck's instructional DVD and all your fears will be gone. He will take you step-by-step and you'll feel confident. You can do it!!


Sent from my iPhone using ZR-1 Net Registry (https://siteowners.tapatalk.com/byo/displayAndDownloadByoApp?rid=90383)