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question on 4.8 Liter Heads

Generation III Internal Engine 1997-2006 LS1 | LS6

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question on 4.8 Liter Heads

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Old

Aug 28, 2002 | 08:46 PM

#1

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Launching!

Joined: Mar 2002

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From: Amarillo

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question on 4.8 Liter Heads

What is the major diffeneces in the 4.8 Liter Heads? Would these heads work on 98 Trans Am? Would I need to have them ported or what would it take to be able to use them?

Thanks for the help?

Old

Aug 28, 2002 | 09:40 PM

#2

Launching!

Joined: Feb 2002

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From: Kenly NC, USA

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Re: question on 4.8 Liter Heads

Try doing a search for the 4.8 or 5.3 heads.I believe they are the same heads.I too want to run these heads on my 98Z28. <img border="0" alt="[pimp]" title="" src="graemlins/gr_pimp.gif" /> <img border="0" alt="[Z06 Corvette]" title="" src="graemlins/z06.gif" />

Old

Aug 28, 2002 | 09:46 PM

#3

Teching In

Joined: Aug 2002

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From: osage rd

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Re: question on 4.8 Liter Heads

The diff is the cc of the chambe. The 4.8 head has a smaller chamber , witch will give you comp

Old

Aug 28, 2002 | 10:18 PM

#4

TECH Enthusiast

Joined: Jul 2002

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From: dyersburg,tn

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Re: question on 4.8 Liter Heads

The new gm hightech mag has a 02 ramair with 4.8 heads on it.

Old

Aug 28, 2002 | 10:24 PM

#5

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From: Texas, it's like your state, but better.

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Re: question on 4.8 Liter Heads

and put down like 445 to the wheels.. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Old

Aug 28, 2002 | 10:28 PM

#6

FormerVendor

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From: Baton Rouge, LA, USA

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Re: question on 4.8 Liter Heads

You will need new valve covers and all associated hardware for the coils to mount to convert to '99 style covers...

Shane

Old

Aug 29, 2002 | 07:51 AM

#7

Thread Starter

Launching!

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From: Amarillo

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Re: question on 4.8 Liter Heads

Thanks for the help.

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Old

Aug 29, 2002 | 03:25 PM

#8

TECH Apprentice

Joined: Nov 2001

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From: Midland Texas

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Re: question on 4.8 Liter Heads

Where can you get these heads and how much are they? Do they flow as good as the 5.7 LS1 heads stock?

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