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Both walked away too

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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No idea bt is love to see the trailer queen

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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Share on other sites

FML

25356958856_3690a54e18_b.jpgLSMotor by Kenneth Stephens, on Flickr

this is the reason i went with a junk yard ls3.. its more expensive than the other lq engines but im saving lots of money by not going crate or ls7.. i was reading on my block and it looks like i can build it into a 418.. that would put me $2000 for the crank and pistons buy a used set of ls7 heads and i will still be under at 6k around 9k installed and everything
can you bore a ls3 block to 4.125?

i think the ls7 heads need a minimum of 4.100 bore

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FML

LSMotor by Kenneth Stephens, on Flickr

this is the reason i went with a junk yard ls3.. its more expensive than the other lq engines but im saving lots of money by not going crate or ls7.. i was reading on my block and it looks like i can build it into a 418.. that would put me $2000 for the crank and pistons buy a used set of ls7 heads and i will still be under at 6k around 9k installed and everything

You can't use LS7 heads on a non LS7 or aftermarket block. Not only does it use a different bolt patterm, but the bore on an LS7 is 4.125", and it would ruin the quench area of your pistons as well increase pinging and drastically lower your compression. The L92 heads on the LS3 are KILLERS, i'd personally rather have them CNC'd than throw on oddball LS7 heads.

i dont know where you get your information from

texas speed have done it but its pushing it

We have done it before if someone absolutely wants it but we don't recommend it. That's how guys are getting away with running LS7 heads on a LS3 block. You can build an LS3 422c.i. motor going with a 4.100 bore and a 4.00 stroke crank. If any way possible, 4.080" is about as far as we like to go.

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