243's on 5.3

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Nov 26, 2007 | 01:15 PM

#11

RandomHero

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From: Austin,TX Name:Mark

Quote:

Originally Posted by Truckshop

the ones i got are off of a tbss. they are ls6 heads with 2.00 intake valves.

So then they'd be ls2 heads not ls6 heads

Nov 26, 2007 | 01:15 PM

#12

tdrumm

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From: Northeast, NJ

Quote:

Originally Posted by Onetogofast

Cool, hope it runs good. What size are the intake valves on a stock 5.3 head? Thanks for the info.

Stock 5.3 have 1.89 intake and 1.55 exhaust

Nov 26, 2007 | 03:34 PM

#13

Truckshop

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From: Prairieville,La

Quote:

Originally Posted by RandomHero

So then they'd be ls2 heads not ls6 heads

yep! same casting #'s but no sodium filled valves

Nov 26, 2007 | 03:49 PM

#14

joshua022

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From: Douglasville, GA

Quote:

Originally Posted by Truckshop

yep! same casting #'s but no sodium filled valves

Did you have to get custom made pushrods since you had them milled??

Nov 26, 2007 | 05:23 PM

#15

Truckshop

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From: Prairieville,La

nope. between the milling and the smaller base circle of the tr220 i used 7.400 pushrods.

Nov 26, 2007 | 06:10 PM

#16

joshua022

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From: Douglasville, GA

once you get it tuned in are you going to go to the dyno??

Nov 26, 2007 | 06:20 PM

#17

JHALL7644

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Quote:

Originally Posted by Truckshop

nope. between the milling and the smaller base circle of the tr220 i used 7.400 pushrods.

are these stock push rods ur using

Nov 26, 2007 | 06:22 PM

#18

marksboy7

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From: Leoma, TN

Same setup that I am planning on running with my truck. Interested to see how you like it.

Nov 26, 2007 | 06:24 PM

#19

joshua022

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From: Douglasville, GA

Quote:

Originally Posted by JHALL7644

are these stock push rods ur using

7.400 is the stock length

I don't know but i'm kinda thinkin' they are hardened pushrods since he has a cam. That is usually the way you go when you go with a cam.

Last edited by joshua022; Nov 27, 2007 at 08:49 PM. Reason: typed it wrong

Nov 26, 2007 | 06:26 PM

#20

JHALL7644

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From: 912

Quote:

Originally Posted by joshua022

7.440 is the stock length

I don't know but i'm kinda thinkin' they are hardened pushrods since he has a cam. That is usually the way you go when you go with a cam.

ok cool, what i wanted to know

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