4.8 piston swap into 5.3....

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May 6, 2006 | 05:15 PM

Tractionless

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From: Edinburg, TX

4.8 piston swap into 5.3....

Has anyone done this yet? LINK

Compression should bump up close to 10.4:1.

How much hp can one expect to gain from bumping the compression almost 1 full point?

May 6, 2006 | 05:39 PM

seeyaa

Launching!

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From: richmond michigan

i thought about it for awhile but that coin and time i could build a 7000 rpm lQ9

May 7, 2006 | 04:02 AM

Tractionless

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From: Edinburg, TX

Quote:

Originally Posted by seeyaa

i thought about it for awhile but that coin and time i could build a 7000 rpm lQ9

Yeah labor $$$ is a huge con of doing this mod.

May 7, 2006 | 08:38 AM

trever1t

2nd fastest 5.3 ECSB

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From: NorCal

Something is wrong with that calculation.
The L33 5.3L HO has flat top pistons and makes 9.9 : 1 compression.

May 7, 2006 | 08:45 AM

Quik

5 year bitches!

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From: Pittsburgh!!!!!!!! Pa

in theory ever .5 in SCR nets 15-20 hp gain

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