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Threads Tagged with
243s
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Looking for a few suggestions on building an LM7
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1
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Courtntan
on Apr 30, 2013
Dec 21, 2014
10:09 AM
by
07bluelbz
20
6,707
INTERNAL ENGINE MODIFICATIONS
5.3 turbo'd guys come in
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1
2
3
4
)
Blackpanther99
on Aug 8, 2014
Aug 13, 2014
09:50 PM
by
Atomic
36
17,710
FORCED INDUCTION
243 Valve Job
L$X$10
on Apr 10, 2014
Apr 21, 2014
02:17 PM
by
gnd111
7
2,984
INTERNAL ENGINE MODIFICATIONS
799 heads on LM7 with big cam , how much to mill ?
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1
2
)
Boost-freak
on Jan 16, 2014
Jan 20, 2014
10:52 AM
by
joshua022
10
23,804
INTERNAL ENGINE MODIFICATIONS
Any dynos of 5.3L before after head swap??
69Camaro427
on Oct 29, 2013
Oct 30, 2013
04:59 PM
by
69Camaro427
3
6,588
INTERNAL ENGINE MODIFICATIONS
Prc stage 2.5 5.3 & ls6 heads,,,need feedback
saull
on Oct 7, 2013
Oct 14, 2013
10:56 PM
by
WICKEDOWESIX
6
4,890
INTERNAL ENGINE MODIFICATIONS
Ported & Polished 862's numbers, what do you think?
Cammed4ever
on Oct 9, 2013
Oct 10, 2013
09:31 PM
by
batboy
8
23,547
GM Engine & Exhaust Performance
LM7 with 243 heads
Dont4GetToWipe
on Aug 17, 2013
Aug 20, 2013
10:38 AM
by
Camin00
9
9,599
GM Engine & Exhaust Performance
LM7 Question
Treyvs
on Jun 2, 2013
Jun 4, 2013
05:52 PM
by
Treyvs
6
2,489
GM Engine & Exhaust Performance
For Sale 243s Heads 12k miles
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1
2
)
juve_gmc
on Nov 11, 2010
May 30, 2013
02:09 PM
by
Chevy_King1500
12
2,010
GM Parts Classifieds
Building a boost motor..what goes in?
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1
2
3
4
)
BGERALD
on Feb 13, 2013
Mar 5, 2013
06:49 AM
by
slowec
33
5,346
INTERNAL ENGINE MODIFICATIONS
lq4 w/ 243's..what head gasket? ls1 or lq4?
2doorfury
on Jun 19, 2012
Jan 8, 2013
12:39 PM
by
slowswb
8
23,799
GMT 800 & Older GM General Discussion
243s, converter 4l80, TBSS mani, bed for 07+NNBS, 5 3 short block
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1
2
3
)
lablackbeast
on Oct 3, 2012
Oct 19, 2012
12:34 PM
by
lablackbeast
20
2,782
GM Parts Classifieds
How much more will it take
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1
2
3
)
regency
on Sep 26, 2012
Sep 28, 2012
04:37 PM
by
pittman
22
3,441
Drag Racing
LQ9 + 60cc 243 heads - Too much compression?
(
1
2
)
KevinF56
on Mar 6, 2012
Sep 26, 2012
11:01 PM
by
06vortecMAXls6
19
40,535
INTERNAL ENGINE MODIFICATIONS
Which head gasket with 243's
banjoman
on Jul 29, 2012
Jul 31, 2012
12:04 AM
by
Sales3@Texas-Speed
5
1,211
INTERNAL ENGINE MODIFICATIONS
Milled 243s
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1
2
3
)
nickpc82
on Oct 17, 2011
Jun 28, 2012
03:28 PM
by
Chris05
22
2,801
GM Parts Classifieds
fresh 5.3 rebuild 243s milled 40,xxx compresson problem
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1
2
)
mr 5.3
on May 11, 2012
May 25, 2012
06:34 PM
by
1989k1500
10
3,795
INTERNAL ENGINE MODIFICATIONS
B-day, Turbo kit special, New 1800.00 kit..
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5
...
Last Page
)
TrickTurbo
on Feb 10, 2011
May 14, 2012
04:31 PM
by
TrickTurbo
56
39,248
Sponsor's Announcements, Sales, and Specials
243s over 317s? on my lq9
slowWhitez71
on May 7, 2012
May 8, 2012
07:55 PM
by
silverz28camaro
5
9,176
GM Engine & Exhaust Performance
806 heads with 7.4's on 02 5.3??
02gmcbandit
on Apr 15, 2012
Apr 15, 2012
02:39 PM
by
02gmcbandit
0
1,159
INTERNAL ENGINE MODIFICATIONS
LQ9 with 243s
TransAm Mania
on Mar 25, 2012
Apr 6, 2012
09:22 AM
by
Vortec350ss
1
1,738
INTERNAL ENGINE MODIFICATIONS
which heads
(
1
2
)
greasemykey
on Jan 31, 2012
Feb 11, 2012
09:39 AM
by
Whitecrewcab
16
2,204
GM Engine & Exhaust Performance
243 heads help asap!!!!!!!!
(
1
2
)
MAG1C
on Jan 26, 2012
Jan 30, 2012
05:00 PM
by
1FastBrick
18
8,904
GM Engine & Exhaust Performance
243's and boost
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1
2
)
5.3 GMC
on Jan 13, 2012
Jan 16, 2012
07:08 PM
by
5.3 GMC
15
37,870
FORCED INDUCTION
5.3..ls6 243s....ls6 intake....no cam : (
mr 5.3
on Nov 23, 2011
Jan 6, 2012
09:20 AM
by
1989k1500
9
5,120
INTERNAL ENGINE MODIFICATIONS
317 or 243 heads with Whipple and 408?
Will
on Dec 28, 2011
Dec 28, 2011
09:24 PM
by
La_BigShit0389
7
3,179
INTERNAL ENGINE MODIFICATIONS
milling 243 for a 5.3
TheRepairMan
on Dec 13, 2011
Dec 17, 2011
06:09 AM
by
TheRepairMan
9
6,016
GM Engine & Exhaust Performance
stock 243's vs prc stage 2.5 5.3L heads
(
1
2
3
)
bigred08
on Nov 15, 2011
Nov 22, 2011
08:52 PM
by
bigred08
20
38,140
INTERNAL ENGINE MODIFICATIONS
CR on stock lq4 with 243's
Sn0wBa11
on Oct 22, 2011
Oct 27, 2011
03:40 PM
by
02_Orange_D1SC
8
3,452
GM Engine & Exhaust Performance
243's or LT's with the Comp 265 Low Lift cam?
(
1
2
)
DMM
on Oct 10, 2011
Oct 16, 2011
12:50 PM
by
budhayes3
14
2,892
INTERNAL ENGINE MODIFICATIONS
killed a vett!
(
1
2
)
Jake99
on Aug 7, 2011
Aug 13, 2011
06:33 PM
by
Jake99
11
1,695
Racing and Kills Forum
good head for 5.3
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1
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3
4
5
)
06murder
on May 12, 2011
Jul 22, 2011
01:46 AM
by
squirellhall
43
8,022
INTERNAL ENGINE MODIFICATIONS
243's on a 4.8?
(
1
2
)
Sn0wBa11
on Jul 7, 2011
Jul 12, 2011
10:15 PM
by
Sn0wBa11
17
11,321
GM Engine & Exhaust Performance
243's on a 4.8?
Sn0wBa11
on Jul 7, 2011
Jul 7, 2011
12:32 PM
by
Sn0wBa11
0
570
GM Engine & Exhaust Performance
Cam install HELP!
Sierra1320
on Jun 14, 2011
Jun 15, 2011
10:17 PM
by
Alpinestar
7
2,881
INTERNAL ENGINE MODIFICATIONS
Regular 8.1l injectors
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1
2
3
)
Luke03
on Mar 23, 2011
Apr 22, 2011
01:46 PM
by
Luke03
27
2,539
GM Parts Classifieds
New truck with 243's???
Cammed4ever
on Apr 16, 2011
Apr 16, 2011
03:07 PM
by
indigo s10
3
784
GM Engine & Exhaust Performance
How big is ur cam and r ur heads shaved?
(
1
2
)
05gmcsierra
on Mar 31, 2011
Apr 8, 2011
08:05 PM
by
05gmcsierra
18
2,335
GMT 900 Trucks General Discussion
ls1 swap guys come in....please.
(
1
2
)
fastrt
on Mar 11, 2011
Mar 31, 2011
05:33 PM
by
fastrt
17
3,760
GM Engine & Exhaust Performance
Patriot Performance Stage 2 LS6 Heads
Dirty 30
on Mar 3, 2011
Mar 7, 2011
11:32 AM
by
Dirty 30
7
2,195
GM Parts Classifieds
243's vs. 317's
(
1
2
3
)
budhayes3
on Feb 16, 2011
Mar 1, 2011
08:45 PM
by
budhayes3
29
25,358
INTERNAL ENGINE MODIFICATIONS
06 mustang gt
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1
2
3
4
5
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bmd_CL
on Nov 2, 2010
Feb 5, 2011
11:49 PM
by
bmd_CL
47
5,235
Racing and Kills Forum
Tsp 228.
(
1
2
)
youngbuck
on Jan 29, 2011
Feb 1, 2011
08:51 PM
by
Chevy Cowboy
16
4,063
GM Engine & Exhaust Performance
706's or 243's on a 5.3?
(
1
2
)
NextLevel
on Jan 19, 2011
Jan 23, 2011
02:15 PM
by
L$X$10
13
54,102
GM Engine & Exhaust Performance
patriot 243s on a lq4
(
1
2
)
Bumpers
on Nov 25, 2010
Dec 7, 2010
10:01 PM
by
Bumpers
17
5,397
GM Engine & Exhaust Performance
5.3 tune on 6.0.
(
1
2
3
4
5
...
Last Page
)
youngbuck
on Oct 11, 2010
Nov 7, 2010
05:33 AM
by
youngbuck
66
15,150
GM Engine & Exhaust Performance
FS: 243 heads, milled to 58cc and 5 angle valve job
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1
2
3
)
D_reks{5.3}
on Aug 29, 2010
Sep 1, 2010
07:02 PM
by
D_reks{5.3}
24
4,688
GM Parts Classifieds
LM7 5.3 + 243s?
lt1z93
on Jul 29, 2010
Jul 30, 2010
02:53 PM
by
lt1z93
5
3,779
INTERNAL ENGINE MODIFICATIONS
2.02 243's on a 5.3?
swift700
on Jul 28, 2010
Jul 28, 2010
02:47 PM
by
swift700
0
698
INTERNAL ENGINE MODIFICATIONS
243 and 317 heads for sale
old motorhead
on Jul 7, 2010
Jul 17, 2010
03:21 PM
by
old motorhead
5
1,834
GM Parts Classifieds
243 Heads on a 4.8
RSTinOKC
on Jun 13, 2010
Jun 14, 2010
10:24 PM
by
PathfinderJr
4
30,530
INTERNAL ENGINE MODIFICATIONS
scored myself some brand new LS6 heads lastnight.
SimpleManLance
on Jun 5, 2010
Jun 10, 2010
06:17 AM
by
SimpleManLance
7
1,067
THE TRUCK STOP
Livernois Stage 2 P&P 243's
1blownss
on Mar 11, 2010
Mar 12, 2010
01:42 PM
by
1blownss
5
983
GM Parts Classifieds
LQ4 and 243 heads?
(
1
2
)
01 BERGER CAMARO SS
on Jan 11, 2010
Jan 20, 2010
10:34 PM
by
NoShow
12
28,279
GM Engine & Exhaust Performance
Get my 243's full ported by WCCH or aftermarket head?
Wonderer876
on Nov 18, 2009
Nov 18, 2009
06:22 PM
by
budhayes3
1
969
GM Engine & Exhaust Performance
port my 317's or get aftermarket head?
(
1
2
)
4.6 eatin gm's
on Nov 2, 2009
Nov 16, 2009
12:46 AM
by
4.6 eatin gm's
12
21,813
GM Engine & Exhaust Performance
6.0 lq4 question
ls1camaro98
on Oct 21, 2009
Oct 21, 2009
08:56 AM
by
JoeyGC5
2
1,267
GM Engine & Exhaust Performance
Gonna build a Lq4
(
1
2
)
NoTwotheSame
on Jul 23, 2009
Aug 17, 2009
03:15 PM
by
SS T56
12
1,931
INTERNAL ENGINE MODIFICATIONS
ls-6 valves
BigHate
on Jul 5, 2009
Jul 6, 2009
09:56 PM
by
BigHate
2
567
GM Engine & Exhaust Performance
TBSS w/ Heads/Cam (PRC 243's - TSP spec'd cam)
Saladbar
on Jun 3, 2009
Jun 30, 2009
07:43 PM
by
Saladbar
6
3,660
Dynamometer Results & Comparisons
Anyone done heads on a 4.8/5.3l nnbs?
On20Z
on Mar 24, 2009
Apr 5, 2009
09:55 PM
by
warrantykiller
5
3,501
GMT 900 Trucks General Discussion
WTT : 24k 823 L92's for low miles 243's
2005 Silverado
on Mar 11, 2009
Mar 11, 2009
09:33 PM
by
2005 Silverado
3
938
GM Parts Classifieds
317s vs 243s
(
1
2
)
teamblackandred
on Feb 16, 2009
Feb 23, 2009
04:59 AM
by
GMCtrk
17
4,856
GM Engine & Exhaust Performance
5.3 w/243's gasket question
Horsepwraddict
on Feb 8, 2009
Feb 9, 2009
09:04 PM
by
1FastBrick
4
7,760
GM Engine & Exhaust Performance
tbss intake and 243's installed
(
1
2
3
4
5
)
MGMC
on Nov 14, 2008
Dec 6, 2008
07:16 PM
by
skyhighsami
44
20,751
GM Engine & Exhaust Performance
5.3 bored to a 347??
Diablita
on Sep 18, 2008
Sep 18, 2008
12:55 AM
by
InchUp
1
4,700
INTERNAL ENGINE MODIFICATIONS
243s on LQ9
1989k1500
on May 18, 2008
May 19, 2008
09:48 AM
by
1989k1500
3
1,311
GM Engine & Exhaust Performance
243's or L92's
WFOsierra
on Apr 17, 2008
Apr 21, 2008
10:26 AM
by
zapata41
4
849
GM Engine & Exhaust Performance
Milling 243's
dirt track racer 81
on Apr 6, 2008
Apr 6, 2008
10:43 PM
by
hirdlej
3
1,030
INTERNAL ENGINE MODIFICATIONS
LQ4 6.0 w/ Milled 243s
(
1
2
3
4
)
iamkeniff
on Dec 24, 2007
Apr 4, 2008
11:43 AM
by
20002wdchevy
34
16,865
INTERNAL ENGINE MODIFICATIONS
milling 317s to match 243's cc
(
1
2
3
)
Tootall
on Mar 12, 2008
Mar 22, 2008
04:10 PM
by
jakebdb56
29
12,204
GM Engine & Exhaust Performance
59cc 243 heads on 03 5.3 CR question
(
1
2
)
HotRodV6
on Feb 22, 2008
Mar 5, 2008
07:54 PM
by
cobra95
16
9,130
GM Engine & Exhaust Performance
243's
(
1
2
3
)
00SILVERADO53
on Jan 6, 2008
Feb 25, 2008
04:55 PM
by
sbw9056
26
3,057
GM Engine & Exhaust Performance
best place to get 243's
dry_kill
on Jan 28, 2008
Jan 28, 2008
12:34 PM
by
TXsilverado
4
598
THE TRUCK STOP
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