Threads Tagged with castech

4l80e, avelanche, castech, chevy, crossmember, custom, flanges, hankook, heads, manifold, recall, silverado, tires, weld

Funkster's Build Thread

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Funkster on 12-23-2012

03-16-2016 10:46 PM
by Funkster

139

49,335

PROJECTS GALLERY

Looking for some feedback on fixing my 5.3 (castech...)

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1 2)

SpeedyG72t on 03-06-2014

06-19-2014 09:44 PM
by SpeedyG72t

16

8,743

Faulty Castech cylinder heads

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1 2)

Magic Wheels on 02-20-2014

03-04-2014 02:24 PM
by Suburbazine

12

4,865

Replacement 5.3L for 04 Silverado?

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1 2)

Chiphead on 01-29-2014

02-04-2014 04:29 PM
by RezinTexas

10

4,281

bad, castec, castech, castings, check, heads, ls1, silverado

Well I have a bad set of Castech heads!

shortactionjunkie on 07-19-2013

08-26-2013 10:27 AM
by BigE

4

4,953

799, castech, covers, gm, head, heads, l33, make, porting, problem, problems, specs, valve

799 head problems ??

bitterfitter on 06-04-2013

06-05-2013 08:54 PM
by Quyonmob

7

10,582

bolts, castech, eingen, engine, gm, head, heads, motor, pulling, recall, remove, start, swap, truck, tty

Poll

Head Swap: In-truck or Pull the engine?

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1 2)

xlcooplx on 06-13-2012

07-16-2012 09:31 AM
by gagliano7

13

8,997

Help with head swap

banjoman on 07-12-2012

07-13-2012 11:14 PM
by AndysC3

5

1,550

05, 220r, 53, 862, affected, cam, castech, casting, heads, lifters, number, replacing, sierra, speed, texas, tuning

Head Replacement / UPgrades '04 5.3

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1 2 3)

barthautala on 04-11-2012

05-29-2012 02:24 PM
by BigV8

24

6,205

2001, 2005, 53, 60, az, castech, connections, gm, gmc, heads, hours, intake, lexus, manifold, silverado, swap

Whats that? Another 6.0 swap thread?!

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1 2)

SnakeOiler on 04-22-2012

05-01-2012 06:25 AM
by SnakeOiler

12

3,629

Wtb 5.3 heads

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1 2)

mcfarlnd on 04-24-2012

04-29-2012 11:28 PM
by mcfarlnd

10

1,107

Western

2005, 53, avalanche, castech, casting, chevrolet, chevy, head, heads, installed, problem, problems, vin, warranty, years

Castech heads casting problem years?

Petey62782 on 01-20-2012

04-22-2012 11:41 PM
by chevymec

8

56,601

10108, 2004, 53, 862, ac, castech, casting, chevrolet, chevy, delco, gm, head, problems, sealing, silverado, tablet

First time chevy truck owner

cheetoz on 03-25-2012

03-26-2012 08:32 PM
by 01WS6/tamu

7

2,300

2005, 53, avalanche, castech, flow, head, hooker, location, marking, maximum, rich, running, shimmed, sierra, starter

How does this happen to a 5.3?

tylerz71 on 01-22-2012

01-26-2012 08:27 PM
by 06Sierra2

9

1,585

2002, 706, castech, casting, crack, cracked, engine, failure, gain, gm, head, heads, ls, noncastech, porting, prices, welding

Anyone weld up a set of cracked 706 heads?

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1 2)

ig109 on 10-11-2011

10-18-2011 09:04 PM
by 1FastBrick

11

16,153

032, castech, engines, gap, heads, is, jasper, motor, ring, stock

Head works

TTownTech on 10-05-2011

10-05-2011 11:56 AM
by TTownTech

2

1,019

04, 2004, 53, 53l, 706, block, castech, chevy, find, heads, long, low, milage, mileage, motor, price, silverado

WTB very low mileage 5.3L longblock

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1 2)

sprayed99 on 04-26-2011

04-29-2011 11:22 AM
by sprayed99

17

2,240

2004, 706, bad, castech, casting, chevy, common, crack, cracked, cracking, head, heads, number, silverado, years

Everyone that has seen cracked 706 heads...

04SilverCrew on 12-07-2010

03-26-2011 12:38 AM
by budhayes3

4

22,582

9292pt, castach, castech, chrysler, correct, felpro, front, gaskets, head, heads, plug, seal, side, spark, stock, way

Replaced heads now idle is not quite right.

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rmf2 on 02-21-2011

02-24-2011 09:06 PM
by rmf2

36

4,886

53, 706, 70627felpro, 862, arp, bolts, cast, castech, chevy, felpro, gm, head, heads, replace, stock

862 replacing 706's ? ARP or Factory Style Bolts?

rmf2 on 02-12-2011

02-12-2011 10:05 PM
by terravast4

2

4,603

48, bad, castech, coolant, heads, liter, loss

Need set of heads for '05 4.8L

SST on 08-28-2010

08-28-2010 04:18 PM
by SST

3

843

53, 53706castech, 706, castec, castech, casting, chevrolet, gm, head, heads, made, noncastech, replaced, silverado, year

WTB stocker 706 heads NON CASTECH

9silverbird8 on 08-01-2010

08-02-2010 10:37 PM
by Bumpers

4

1,969

WTB: 5.3 heads

phatboy on 05-31-2010

06-01-2010 12:13 AM
by lowpewter06

1

646

1500, 2002, 53, burning, castech, coolant, heads, oil, pcv, problem, sierra, smoke, truck, valve, water

5.3 using a little oil and coolant...

02'Z71ONDUBZ' on 04-06-2010

04-07-2010 01:02 AM
by 02'Z71ONDUBZ'

3

3,924

241, 317, 48, 706, 853, castech, casting, castings, compression, exhaust, head, heads, lm4, motor, number, port, ratio

Here is a list of a few Head casting #'s

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TexasGMC on 03-06-2010

03-11-2010 11:15 PM
by BadAssChevy327

13

4,917

2005, 53, 799, castech, heads, noncastech799, recommendation, replacement, silverado

Suggestions on what to do? Your time is appreciated.

chunkee on 02-22-2010

02-22-2010 05:06 PM
by Clyde65

1

733

Looks Like a Serious Problem..is it???

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AJII on 11-23-2009

01-19-2010 03:50 AM
by AJII

31

6,815

5.3 castings?

lsx10 on 10-15-2008

10-17-2008 12:45 AM
by 1FastBrick

3

5,924

2004, 2007, 53, cam, castech, coolant, failures, flush, gm, heads, lifter, lifters, replace, tahoe, ticking, vortec

2004 Tahoe, 5.3, 60k - engine toast?

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agreif on 01-21-2008

01-24-2008 03:35 PM
by agreif

10

2,902