454 TBI flow and 454 cam specks

[Bruce Plecan]

----- Original Message -----
From: Todorovic <todorovic at home.com>
To: <gmecm at efi332.eng.ohio-state.edu>
Sent: Saturday, November 27, 1999 5:18 PM
Subject: Re: 454 TBI flow and 454 cam specks

On the EGR it's just a metter of disabling the malfunction flag.  Have you
read Programming 101?, if you're running a 747 it's covered there (If not,
the theory is the same).
Grumpy


| > Stock Rochester 454 TBI air flow.........670 CFM @ 3"Hg pressure drop
| > airflow across the throttle blades at WOT.  I've actually measured this,
| as
| > opposed to just reading about it.
|
| Thank you!
|
| > Cam specs for a late model L19 TBI 454 were roughly as follows:  192/203
@
| > .050" duration, .398/.430" lift @ 1.7:1 rocker ratio, 111 degrees lobe
| > separation, and tiny valve areas.
|
| Wow, that is tiny.  It is a roller cam though, right?
|
| > How much can the 454  2" TBI support?......275 Hp at near the stock fuel
| > pressure........ 425+ Hp if reworked for increased fuel pressure.
|
| I have seen these 454s run low 15s/high 14s in their trucks with a few
| things, like open K&N filter, Chip, Slicks, headers, etc.  I don't think
| that my 400 would run any more then 360 HP.
|
| Is there any way to get rid of the EGR valve with the TBI system.  I have
a
| Performer Intake for my 400, but it is a non-EGR one.  Thanks.
|