CFM Flow numbers for stock heads on an 09 Sierra 5.3???

seerysj · 2011-01-25 00:11:55

I was told the valves sizes and cc's were diff. :confused: You were told wrong.

Reply Subscribe

Thread Tools

Search this Thread

01-30-2011, 10:59 PM

#11

Coban

TECH Addict

iTrader: (14)

Join Date: Mar 2005

Location: League City, TX

Posts: 2,130

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by turboal1

I was told the valves sizes and cc's were diff.

You were told wrong.

Reply Like

01-31-2011, 06:35 PM

#12

RSTinOKC

TECH Apprentice

iTrader: (2)

Join Date: Feb 2008

Location: Oklahoma City

Posts: 383

Likes: 0

Received 2 Likes on 2 Posts

Just read the OP question more thoroughly lol, but for what its worth:

4.8/5.3 liter casting 862 1.89/1.55

INT EX

.1-64 47

.2-131 94

.3-179 122

.4-211 155

.5-233 175

.6-237 183

.7-241 187

iirc 706's are pretty much the same.

Reply Like

01-31-2011, 07:33 PM

#13

53bowtie

TECH Fanatic

iTrader: (6)

Join Date: Mar 2007

Location: Detroit, MI

Posts: 1,614

Likes: 7

Received 14 Likes on 9 Posts

Quote:

Originally Posted by RSTinOKC

The OP has 799 heads so this info does not help him.

Reply Like

01-31-2011, 09:05 PM

#14

Coban

TECH Addict

iTrader: (14)

Join Date: Mar 2005

Location: League City, TX

Posts: 2,130

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by RSTinOKC

Just read the OP question more thoroughly lol,

Need even more thoroughness.....

Reply Like

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

1986 Turbo K5 16K

5.3Okasai

Trucks and SUV Classifieds

03-09-2022 01:07 PM

another cam thread

steves86ta

GM Engine & Exhaust Performance

07-28-2015 10:21 AM

Got the exact truck I wanted, it's too slow.

Suburban2500

INTERNAL ENGINE MODIFICATIONS

07-19-2015 04:50 PM

K&n oil filters

smit2732

GM Engine & Exhaust Performance

07-19-2015 01:43 PM

Custom ground 4.8/5.3 cam

06 4.8

GM Parts Classifieds

07-15-2015 07:17 PM