5.3 & Ls1 Intake

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Jul 21, 2004 | 01:36 PM

#11

leochevy2001

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From: Spring, Texas

I think it was the ls6 intake that was tested and not the ls1. But I think the ls6 intake flows better than the ls1, right?

Jul 21, 2004 | 02:19 PM

#12

2003blue5.7

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From: Wayne Mi

the 4.8/5.3/6.0 intakes are the same

Jul 21, 2004 | 02:21 PM

#13

GMChasLS1

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From: San Marcos Texas

Quote:

Originally Posted by Yelo

I know I'm gonna recieve a half-dozen PM for responding to this (YES...I WILL TAKE pictures guys....someday...but it's gonna wait until the heads/cam swap so I can do the WHOLE write-up at once), but the LS1 intake swap is REALLY easy......you can use all of the stock truck accessories, ALL you need to do is modify the water-pump neck where it sticks up off of the water-pump (cut it down to 3/4" tall) and buy the idler-pulley adapter form Speartech ($70), the stock injectors and rails will work (use spacers....I figured it out.....so can you) and so will the stock crossover tube (looks dumb...but it works, if the asthetics offend you custom bend one)

Got Pics? LOL!

Jul 21, 2004 | 02:47 PM

#14

2002yroneformula

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From: Alpharetta, GA

The intakes tested were the 6.0 truck, LS1, LS6, and the new FAST LSX if I'm not mistaken.

Jul 21, 2004 | 03:24 PM

#15

Yelo

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From: Geneseo, NY

Quote:

Originally Posted by 2003blue5.7

Dont hold your breath waiting on Yelo to take pictures I've been waiting for several moths....

Keep waitin' brother....

seriously.....my GF uses the truck for work during the day, and when she gets home I go to work, most weekends the LAST thing on my mind is taking pictures of my intake

when I do the heads/cam swap I'm gonna do the WHOLE write-up at once (we've never had one of those...i thought it might be a good thing)

Jul 22, 2004 | 12:08 PM

#16

leochevy2001

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From: Spring, Texas

Quote:

Originally Posted by 2002yroneformula

The intakes tested were the 6.0 truck, LS1, LS6, and the new FAST LSX if I'm not mistaken.

Well, all I remember is that the truck intake flowed better than all except for the lsx intake.

Jul 22, 2004 | 01:11 PM

#17

Scream

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From: Jacksonville, FL

With a stock cam, there really wasn't a clear winner. Once a cam was added to the mix, things changed a little. The truck intake is still quite a strong piece, and I can't see changing it unless you're hardcore or need the underhood clearance.

https://ls1tech.com/forums/showthrea...HP+intake+test

The last time they did the test with the stock motor and switched the intakes to see the results now they switched out 3 cams with each intake...

All dynoed withthe motor out of the car.

Comp Cam
xr265hr...0.522/0.529 inch intake exhaust, 212deg intake/218deg exhaust, 114deg lob displacement

Truck intake= HP/TQ, 429/422 @5900/5000rpms
LS1 intake= HP/TQ, 450/439 @5900/5000rpms
LS6 intake= HP/TQ, 459/447 @5800/5000rpms
FAST intake= HP/TQ, 462/450 @5900/5000rpms
-------------------------------------------------------------------------
Comp Cam
xr275hr...0.566/0.568 inch intake exhaust, 222deg intake/224deg exhaust, 112deg lob displacement

Truck intake= HP/TQ, 468/445 @6300/5200rpms
LS1 intake= HP/TQ, 462/442 @6300/5000rpms
LS6 intake= HP/TQ, 471/449 @6300/5000rpms
FAST intake= HP/TQ, 479/452 @6400/4900rpms
-----------------------------------------------------------------------
Comp Cam
xer281hr...0.595/0.598 inch intake exhaust, 232deg intake/234deg exhaust, 112deg lob displacement

Truck intake= HP/TQ, 486/447 @6500/5000rpms
LS1 intake= HP/TQ, 484/445 @6500/5000rpms
LS6 intake= HP/TQ, 495/448 @6500/5000rpms
FAST intake= HP/TQ, 503/452 @6400/5000rpms