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Threads Tagged with
valves
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Need to know the difference between the 799 and the 243 heads!
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1
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LS1FREEK
on Sep 25, 2009
Jun 18, 2021
09:38 AM
by
shakenfake
23
114,908
INTERNAL ENGINE MODIFICATIONS
862 heads on lq4
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1
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3
)
Zeppo
on Jun 29, 2010
Jan 5, 2021
09:04 PM
by
1FastBrick
21
77,332
GM Engine & Exhaust Performance
does anyone have 243 vs 862 charts?
bluebommer07
on Apr 13, 2012
Mar 17, 2015
11:11 PM
by
AKlowriderZ71
4
11,284
INTERNAL ENGINE MODIFICATIONS
243 Valve Job
L$X$10
on Apr 10, 2014
Apr 21, 2014
02:17 PM
by
gnd111
7
2,969
INTERNAL ENGINE MODIFICATIONS
Help with LQ9 Top end build for BMW M3 Swap
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1
2
3
4
)
rpm620
on Oct 19, 2013
Feb 4, 2014
06:49 PM
by
rpm620
34
9,549
INTERNAL ENGINE MODIFICATIONS
Need help on TSP Stage 2.5 LS6 Heads for 5.3L Sierra
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1
2
)
20SS06
on Jan 31, 2014
Feb 3, 2014
04:22 PM
by
Sales4@Texas-Speed
11
9,197
INTERNAL ENGINE MODIFICATIONS
Catch Can Setup Issues!!!
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1
2
3
4
)
Denali08
on Nov 22, 2013
Dec 8, 2013
09:46 AM
by
blownescalade62
30
12,230
FORCED INDUCTION
5.3 piston to valve clearence
Davidgmcman
on Nov 10, 2013
Nov 12, 2013
01:21 PM
by
AGearHead4Life
2
2,787
GM Engine & Exhaust Performance
How big of valves in a 5.3?
batboy
on Oct 19, 2013
Oct 20, 2013
06:33 PM
by
Blackpanther99
3
1,725
GM Engine & Exhaust Performance
Back on dyno shortly. Guesses? Lots of smalls changes.
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1
2
)
LIL SS
on Jun 25, 2013
Jun 28, 2013
01:17 AM
by
oakley6575
11
2,123
Dynamometer Results & Comparisons
Parts for sale...Titanium valves,injectors,stock cams
classic1
on Feb 9, 2012
May 9, 2013
10:47 PM
by
bigredexpress99
8
1,474
GM Parts Classifieds
lots of cheap free parts for 99-up silverado sierras
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1
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03regcab sierra
on Feb 13, 2013
Apr 23, 2013
11:02 AM
by
03regcab sierra
25
2,645
Texas
Need help!! Too rich after head, cam , nnbs intake swap
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1
2
)
Petey62782
on Feb 18, 2013
Feb 20, 2013
10:35 AM
by
Petey62782
14
5,572
GM Engine & Exhaust Performance
Question for the turbo guys
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1
2
)
Byrdman11
on Jan 23, 2013
Jan 24, 2013
04:34 PM
by
Byrdman11
10
3,572
FORCED INDUCTION
question bout 862 heads
06murder
on Jan 1, 2013
Jan 6, 2013
11:13 AM
by
06murder
5
1,841
INTERNAL ENGINE MODIFICATIONS
Thinking about porting a set of 862s Input Please!!!
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1
2
3
)
Camin00
on Dec 6, 2012
Dec 10, 2012
06:52 PM
by
Fastcount03
20
6,492
INTERNAL ENGINE MODIFICATIONS
799 heads have 1.59 and 1.55 exhaust valves???
Ferocity02
on Dec 7, 2012
Dec 8, 2012
06:31 PM
by
Ferocity02
6
4,889
INTERNAL ENGINE MODIFICATIONS
5.3 stroker build- 243 vs 706
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1
2
)
damullen05silverado5.3
on Nov 18, 2012
Nov 20, 2012
10:55 PM
by
dmelvin
11
11,131
New Members
CNC 317 Heads 2.08int/2.00ex For sale
Thumper215
on Nov 13, 2012
Nov 13, 2012
11:58 AM
by
Thumper215
0
904
GM Parts Classifieds
Would putting heads off an 05 6.0L chevy on and 01 sierra 5.3L help any?
eds01sierra
on Oct 31, 2012
Oct 31, 2012
10:28 AM
by
dirt track racer 81
2
33,076
GM Engine & Exhaust Performance
Clutch Slave Cylinder Bleeder Valve HELP!!!
BadAsseryPhD
on Oct 11, 2012
Oct 11, 2012
09:48 PM
by
BadAsseryPhD
2
1,334
GM Drivetrain & Suspension
valve/cylinder interference 5.3 question
cudaeh
on Aug 13, 2012
Aug 21, 2012
12:33 PM
by
spent21
6
5,645
INTERNAL ENGINE MODIFICATIONS
heads and cams
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1
2
)
uk tahoe
on Aug 18, 2012
Aug 20, 2012
01:58 PM
by
uk tahoe
15
2,287
GM Engine & Exhaust Performance
anyone unshroud their valves?
(
1
2
)
Gadgetized
on Jul 24, 2012
Jul 26, 2012
05:33 PM
by
Gadgetized
10
13,197
INTERNAL ENGINE MODIFICATIONS
One way check valve part number?
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1
2
)
Choda
on Jun 10, 2012
Jul 14, 2012
09:36 PM
by
goinfast
16
6,267
FORCED INDUCTION
pistons touching valves
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1
2
)
greasemykey
on Jul 12, 2012
Jul 13, 2012
03:04 AM
by
greasemykey
13
2,719
GM Engine & Exhaust Performance
orange debris sitting on exhaust side of the valves?
(
1
2
)
fst100
on May 15, 2012
May 29, 2012
07:50 AM
by
Burgundy&TanMan
10
3,920
INTERNAL ENGINE MODIFICATIONS
LS3 heads w/ hollow stem valves a .650 lift springs for sale
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1
2
)
Midnight
on May 9, 2012
May 26, 2012
02:14 AM
by
Midnight
17
3,490
GM Parts Classifieds
muffler for 2011 5.0
sem716
on Apr 16, 2012
Apr 18, 2012
05:39 PM
by
11Silvy
3
2,692
Ford Engine & Exhaust Performance
Injector timing for camshafts
(
1
2
3
)
oakley6575
on Apr 12, 2012
Apr 17, 2012
09:59 PM
by
KLUG'S SS
26
39,518
Tuning, Diagnostics, Electronics, and Wiring
LQ9 with 243s
TransAm Mania
on Mar 25, 2012
Apr 6, 2012
09:22 AM
by
Vortec350ss
1
1,729
INTERNAL ENGINE MODIFICATIONS
pvc valve.... ?
(
1
2
)
darnie
on Mar 23, 2012
Mar 26, 2012
07:55 PM
by
Suburbazine
16
2,703
GMT 800 & Older GM General Discussion
What do the yall think.
youngbuck
on Mar 14, 2012
Mar 17, 2012
06:25 PM
by
youngbuck
5
1,451
GM Engine & Exhaust Performance
383 or 355
laoutlaw
on Feb 22, 2012
Feb 27, 2012
11:53 AM
by
laoutlaw
8
1,624
GMT 800 & Older GM General Discussion
What happened to my exhaust valves?
Pray
on Feb 18, 2012
Feb 18, 2012
08:58 PM
by
Pray
7
1,612
INTERNAL ENGINE MODIFICATIONS
5.3 with flat top pistons & 706 heads with valve job
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1
2
3
)
azchevydude
on Feb 12, 2012
Feb 14, 2012
01:34 AM
by
MAG1C
21
121,250
INTERNAL ENGINE MODIFICATIONS
799 Heads LS6 valves
Jrluz14
on Feb 3, 2012
Feb 3, 2012
08:47 PM
by
Jrluz14
1
849
GM Parts Classifieds
CNC LS3 heads w/.675" springs and Ferrea Valves ON SALE
Scoggin Dickey
on Jan 27, 2012
Feb 2, 2012
10:23 AM
by
Scoggin Dickey
3
1,931
Sponsor's Announcements, Sales, and Specials
Tune on hold oil burn problem back
chevz7102
on Dec 24, 2011
Jan 8, 2012
02:23 PM
by
drperry
9
2,439
GMT 900 Trucks General Discussion
porting a set of heads questions
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1
2
)
2000chevysilverado
on Dec 11, 2011
Jan 5, 2012
08:50 AM
by
BrutalSierra
10
11,371
GM Engine & Exhaust Performance
for those with a single front mount turbo and 366+ cubes
(
1
2
3
)
oldred95
on Dec 17, 2011
Jan 1, 2012
10:26 AM
by
Beatdown Z
26
22,899
FORCED INDUCTION
317 or ported 241s?
(
1
2
3
)
operatorfailure
on Dec 1, 2011
Dec 6, 2011
06:03 PM
by
operatorfailure
27
10,403
GM Engine & Exhaust Performance
Head swap!! what gaskets and pushrods
getonit
on Oct 18, 2011
Oct 18, 2011
10:09 PM
by
Beatdown Z
2
1,374
GM Engine & Exhaust Performance
243's or LT's with the Comp 265 Low Lift cam?
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1
2
)
DMM
on Oct 10, 2011
Oct 16, 2011
12:50 PM
by
budhayes3
14
2,874
INTERNAL ENGINE MODIFICATIONS
WTB bare 243 or 799 heads
01GMC5.3
on Oct 9, 2011
Oct 14, 2011
05:25 AM
by
lady3bglover
7
1,238
GM Parts Classifieds
Broke a L92 Rocker Arm
(
1
2
)
matthew20061
on Oct 6, 2011
Oct 9, 2011
09:55 PM
by
TwoTonic
13
5,947
INTERNAL ENGINE MODIFICATIONS
What all is needed to put LS3 style heads on my 6.0
99bluefirebird
on Oct 5, 2011
Oct 8, 2011
07:43 PM
by
SnakeOiler
7
6,212
GM Engine & Exhaust Performance
Installing AFR 205 heads on a 6.0L?
(
1
2
)
05HD1500
on Mar 18, 2009
Sep 21, 2011
10:07 PM
by
Rick_Vor
10
17,416
INTERNAL ENGINE MODIFICATIONS
241, or 862
white1
on Jul 15, 2010
Aug 14, 2011
06:56 PM
by
Suburbazine
6
6,475
GM Engine & Exhaust Performance
Cam Install. Valve Lash
Chevy_King1500
on Jul 10, 2011
Jul 10, 2011
06:56 AM
by
CashDudeHomie
8
1,211
GM Engine & Exhaust Performance
Po449 code
(
1
2
)
hammer71
on May 19, 2010
Jun 30, 2011
01:09 PM
by
flippindabird
12
31,082
Tuning, Diagnostics, Electronics, and Wiring
01'Sierra procharged build..'Mator'
(
1
2
)
HeadGames Dave
on Jun 13, 2011
Jun 22, 2011
08:52 AM
by
mitchellmade
10
3,461
PROJECTS GALLERY
WTB: 1.55" Exhaust Valves
Bigschwerm
on May 30, 2011
May 30, 2011
10:00 PM
by
Bigschwerm
0
399
GM Parts Classifieds
bent pushrod, 18psi of boost
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1
2
3
)
parish8
on May 21, 2011
May 27, 2011
11:48 PM
by
262_NBS
26
6,416
Midsize & Compact Trucks
Big nitrous back fire=bent valve, Need HELP
(
1
2
)
70ls1chevelle
on May 19, 2011
May 27, 2011
11:43 AM
by
krambo
15
3,414
NITROUS OXIDE
Ported And Polished 862 heads 2" valves
Bigschwerm
on May 22, 2011
May 23, 2011
08:08 PM
by
Bigschwerm
1
810
GM Parts Classifieds
got my new procharger bov on.... soooooo loud!!! take a peak
(
1
2
3
)
idahoblkss
on Mar 31, 2010
May 17, 2011
03:33 PM
by
idahoblkss
26
12,595
FORCED INDUCTION
Excessive valve train noise
(
1
2
3
)
RhinoSS
on Sep 5, 2010
May 10, 2011
06:56 PM
by
afterburn84
21
6,043
INTERNAL ENGINE MODIFICATIONS
Valves for 799's
1993/CK
on Apr 26, 2011
Apr 27, 2011
10:31 AM
by
1993/CK
2
901
INTERNAL ENGINE MODIFICATIONS
Gen6 454 questions
Rede
on Jul 12, 2010
Mar 31, 2011
07:54 PM
by
Rede
8
11,683
Classic Trucks
REV Valves, 317 heads, Aftermarket Fuel Rails, Stock 5.3
Atomic
on Mar 24, 2011
Mar 30, 2011
12:28 AM
by
Atomic
6
1,156
GM Parts Classifieds
FS: 799/243 casting LSx heads, cam, lifters, valve springs, pushrods
(
1
2
)
Phantom
on Feb 28, 2011
Mar 15, 2011
02:06 PM
by
SLOXCAB
16
3,290
GM Parts Classifieds
transmission in a 1996 tahoe
protracracing
on Feb 26, 2011
Feb 27, 2011
12:48 PM
by
protracracing
2
1,456
GM Drivetrain & Suspension
which heads? L92s or stage 2 243s???
(
1
2
3
4
)
dry_kill
on Feb 15, 2011
Feb 21, 2011
06:46 PM
by
dry_kill
36
5,756
INTERNAL ENGINE MODIFICATIONS
New time finally
(
1
2
)
zippy
on Feb 5, 2011
Feb 6, 2011
07:51 PM
by
lablackbeast
10
1,519
Drag Racing
Precision turbo & supporting parts+heads & cams
(
1
2
3
4
)
SincalT/A
on Dec 7, 2010
Jan 25, 2011
01:06 AM
by
SincalT/A
30
4,234
GM Parts Classifieds
Quick Spool Valve
(
1
2
)
DoubleTrouble
on Jan 20, 2011
Jan 20, 2011
11:02 PM
by
charcold-bowtie
10
3,570
FORCED INDUCTION
Good cam for 5.3 no tq conv
(
1
2
3
4
5
)
OH4CHEV
on Jul 13, 2010
Jan 13, 2011
09:29 PM
by
dmelvin
40
124,642
INTERNAL ENGINE MODIFICATIONS
5.3 heads w/ ls1 intake valves and port work, what cam to run?
lo&sloSierra
on Jan 11, 2011
Jan 11, 2011
10:50 PM
by
lo&sloSierra
5
4,076
GM Engine & Exhaust Performance
Ls6 243 Heads 59cc Chambers Hollow Stem Valves
Bigschwerm
on Jan 3, 2011
Jan 4, 2011
10:29 AM
by
Bigschwerm
4
1,541
GM Parts Classifieds
10lb Nitrous bottle with High flow valve
JohnHF
on Dec 30, 2010
Dec 30, 2010
02:04 PM
by
JohnHF
0
835
GM Parts Classifieds
2000 iron 6.0 build, ideas?
6.0smokinSTL
on Dec 23, 2010
Dec 23, 2010
06:12 PM
by
1slowz71
3
1,535
8-Lug Truck Performance
Check out the exhaust valves on my PRC heads...
(
1
2
)
BlackGMC
on Dec 21, 2010
Dec 22, 2010
10:14 PM
by
budhayes3
19
3,189
GM Engine & Exhaust Performance
Manley Racemaster valves 2.00/1.55 *New*
stock48
on Dec 16, 2010
Dec 16, 2010
06:07 AM
by
stock48
0
686
GM Parts Classifieds
Buy 243s or work my 317's?
(
1
2
3
)
Rochesterw
on Dec 8, 2010
Dec 12, 2010
09:43 PM
by
Rochesterw
26
7,030
INTERNAL ENGINE MODIFICATIONS
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