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Threads Tagged with
compression
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Difference between 4.8 & 5.3 pistons?
(
1
2
)
street demon2k3
on Mar 13, 2009
Sep 26, 2025
02:29 PM
by
IIGW
16
78,635
GM Engine & Exhaust Performance
PCV Oil Catch Can on N/A 5.3 fills FAST...
(
1
2
3
4
5
...
Last Page
)
BMRisko
on Jan 23, 2010
May 12, 2017
04:23 PM
by
RA62025
59
125,490
GM Engine & Exhaust Performance
High compression cammed 4.8
(
1
2
)
Yellowsierra
on Dec 8, 2010
Feb 4, 2017
10:38 AM
by
tylc557
12
25,758
INTERNAL ENGINE MODIFICATIONS
11.0:1 compression and boost???
(
1
2
3
4
5
...
Last Page
)
TXsilverado
on Jul 23, 2008
Jul 26, 2015
06:26 PM
by
George C....
61
14,036
FORCED INDUCTION
Looking for a few suggestions on building an LM7
(
1
2
3
)
Courtntan
on Apr 30, 2013
Dec 21, 2014
10:09 AM
by
07bluelbz
20
6,713
INTERNAL ENGINE MODIFICATIONS
5.3L with 4.8L pistons Compression??
zaathur151
on Nov 10, 2014
Nov 11, 2014
02:26 PM
by
1FastBrick
8
28,326
INTERNAL ENGINE MODIFICATIONS
The Difference Between All The LS Heads...
(
1
2
)
LS1FREEK
on Jun 15, 2009
Apr 23, 2014
10:22 PM
by
jiar577
11
264,708
GM Engine & Exhaust Performance
5.3L Tahoe hard to crank
(
1
2
3
4
5
)
99corvette
on Nov 15, 2013
Jan 1, 2014
09:43 AM
by
99corvette
47
6,327
GM Engine & Exhaust Performance
5.3 Compression Ratio for boost
(
1
2
)
ak2007r6
on Dec 26, 2013
Dec 28, 2013
02:24 PM
by
ak2007r6
18
34,294
INTERNAL ENGINE MODIFICATIONS
LQ9 plan: milled .015 L92 heads, LS7 car intake, what cam?
(
1
2
3
4
)
sleeperlqx
on Apr 1, 2012
Nov 18, 2013
09:24 PM
by
sleeperlqx
34
22,314
INTERNAL ENGINE MODIFICATIONS
6L80E and t case strength...
(
1
2
)
06chevy5.3
on Nov 5, 2013
Nov 5, 2013
09:44 PM
by
06chevy5.3
15
20,212
GM Drivetrain & Suspension
Any dynos of 5.3L before after head swap??
69Camaro427
on Oct 29, 2013
Oct 30, 2013
04:59 PM
by
69Camaro427
3
6,597
INTERNAL ENGINE MODIFICATIONS
Head gasket help
GREENSIERRA
on Oct 13, 2013
Oct 14, 2013
11:36 AM
by
GREENSIERRA
2
839
INTERNAL ENGINE MODIFICATIONS
beneficial intake/head setup on lm7
(
1
2
3
)
marineusmc4
on Sep 26, 2013
Oct 3, 2013
09:52 PM
by
batboy
20
16,909
GM Engine & Exhaust Performance
370 build on a budget
(
1
2
3
4
5
)
grey matter 04
on Apr 11, 2013
Sep 22, 2013
04:49 PM
by
grey matter 04
45
32,866
PROJECTS GALLERY
thinking of staying n/a but want to bump the compression ratio back up-need input
fst100
on Aug 25, 2013
Aug 26, 2013
08:56 AM
by
fst100
1
1,119
GM Engine & Exhaust Performance
lm7 with 243 heads
(
1
2
3
)
ryguy03sierra
on Aug 8, 2013
Aug 10, 2013
10:40 AM
by
Richardman1992
20
31,333
GM Engine & Exhaust Performance
370 boost motor, compression questions
(
1
2
)
Camin00
on Jun 27, 2013
Jun 29, 2013
01:36 PM
by
Gadgetized
12
3,149
FORCED INDUCTION
Cylinder Compression Test Numbers
(
1
2
)
SlowDude
on Jun 10, 2013
Jun 12, 2013
09:37 PM
by
SlowDude
15
2,365
GM Engine & Exhaust Performance
lq4 bottom end build
(
1
2
)
DAH32
on May 30, 2013
Jun 2, 2013
03:50 PM
by
DAH32
15
10,535
GM Engine & Exhaust Performance
Pro comp 7" compression strut mounting?? Pics??
BlownChevy254
on May 25, 2013
May 25, 2013
03:24 PM
by
BlownChevy254
0
1,305
TOWING & OFFROAD PERFORMANCE
Maximum milling on LM4/LM7 862 Heads
robstah
on May 6, 2013
May 11, 2013
11:18 PM
by
low2001gmc
3
7,155
INTERNAL ENGINE MODIFICATIONS
5.3L to 6.0L with texas speed 220R cam, tuning definitely required isnt it?
macantley
on Apr 19, 2013
Apr 29, 2013
08:25 PM
by
macantley
6
11,254
Tuning, Diagnostics, Electronics, and Wiring
Milled 862 heads
gmcyukon
on Apr 3, 2013
Apr 12, 2013
03:33 AM
by
gmcyukon
7
5,354
INTERNAL ENGINE MODIFICATIONS
My mild 370 build
(
1
2
3
4
)
Peyton676
on Dec 9, 2012
Apr 8, 2013
02:21 PM
by
Peyton676
31
10,088
PROJECTS GALLERY
high compression and procharger
02_Orange_D1SC
on Mar 25, 2013
Apr 5, 2013
06:24 PM
by
milkey57
9
2,929
FORCED INDUCTION
806's or 317's for turbo 5.3l?
(
1
2
)
boost7.0L
on Mar 25, 2013
Apr 4, 2013
08:40 AM
by
Denali08
14
18,194
FORCED INDUCTION
LQ4 Build Help
chevy1224
on Mar 29, 2013
Mar 31, 2013
10:52 AM
by
1Bear
6
3,078
INTERNAL ENGINE MODIFICATIONS
120-125 PSI on all 6 cylinders, 02 4.3L, good enough compression?
macantley
on Mar 22, 2013
Mar 24, 2013
11:03 AM
by
hog
3
33,050
GM Engine & Exhaust Performance
LS9 gasket compression effects
(
1
2
3
)
Vortec350ss
on Mar 4, 2013
Mar 6, 2013
11:13 PM
by
shawnss
21
28,270
INTERNAL ENGINE MODIFICATIONS
compression ratio conversion/guesstimate?
(
1
2
)
lukn4trbl355
on Feb 25, 2013
Feb 27, 2013
03:14 PM
by
lukn4trbl355
10
2,211
INTERNAL ENGINE MODIFICATIONS
Curious
ByuTrukr
on Feb 19, 2013
Feb 19, 2013
10:34 PM
by
mymaggiebell
5
1,112
GMT 900 Trucks General Discussion
Dynamic Compression Ratio How much is to much?
(
1
2
)
Yohns Kustom Fab
on Feb 14, 2013
Feb 18, 2013
03:29 PM
by
dirty_old_chevy
18
7,633
INTERNAL ENGINE MODIFICATIONS
Should i delete EGR with new headers?
kevins01silverado
on Feb 3, 2013
Feb 12, 2013
01:33 PM
by
00gmc4.8
4
26,768
GM Engine & Exhaust Performance
LY6 w 243 heads and LS2 flat tops? possible compression ratio
01WS6/tamu
on Feb 8, 2013
Feb 11, 2013
10:56 PM
by
01WS6/tamu
6
13,000
GM Engine & Exhaust Performance
How much BOOST on a LQ9??
(
1
2
)
kyle's v
on Dec 25, 2012
Jan 2, 2013
03:53 PM
by
RedRover
16
26,799
FORCED INDUCTION
Expert tuners advice on timing advance vs octane/compression
Camin00
on Dec 18, 2012
Dec 19, 2012
01:25 AM
by
kelsey_canard
2
1,228
Tuning, Diagnostics, Electronics, and Wiring
I'm calling her Mia
(
1
2
3
4
5
...
Last Page
)
lsx10
on Sep 22, 2008
Dec 16, 2012
06:11 PM
by
xx_ED_xx
285
63,319
PROJECTS GALLERY
Link Dead, Please Fixy
(
1
2
3
)
TurboBerserker
on May 16, 2009
Dec 16, 2012
03:01 PM
by
03sierraslt
22
3,723
INTERNAL ENGINE MODIFICATIONS
ls1 heads on my lq4?
(
1
2
3
)
jason02Z
on Nov 8, 2012
Dec 16, 2012
01:58 PM
by
jason02Z
20
26,341
INTERNAL ENGINE MODIFICATIONS
Needing help with pushrod length and compression
Amedee
on Nov 29, 2012
Dec 1, 2012
07:23 AM
by
Amedee
5
1,073
GM Engine & Exhaust Performance
wiseco -8cc piston high compression?
bigboy576103
on Nov 15, 2012
Nov 27, 2012
09:32 AM
by
Sales2@Texas-speed
2
1,134
INTERNAL ENGINE MODIFICATIONS
Ported 317 heads and TBSS intake
vicalma03
on May 18, 2012
Nov 11, 2012
10:03 PM
by
Velocity1
4
6,759
GM Parts Classifieds
Going from gen IV 5.3 to gen III ls6 5.7
NVS05GMC
on Jan 29, 2012
Nov 8, 2012
05:27 PM
by
AZBIG1
7
3,411
GM Engine & Exhaust Performance
317 heads question
asap216
on Oct 25, 2012
Oct 25, 2012
06:49 AM
by
OL' MAN
1
1,073
GM Engine & Exhaust Performance
LM4 5,3L with 799/243
btlegacy
on Apr 13, 2012
Oct 24, 2012
06:02 PM
by
btlegacy
4
7,930
GM Engine & Exhaust Performance
completed tsp 220r
poolsmillrods
on Oct 16, 2012
Oct 19, 2012
10:05 AM
by
dmelvin
9
2,196
INTERNAL ENGINE MODIFICATIONS
Who's running meth in a N/A motor?
(
1
2
3
4
5
)
oakley6575
on Apr 5, 2012
Oct 17, 2012
06:18 PM
by
02 BLK WS6
48
8,501
GM Engine & Exhaust Performance
Bored and wanto expand knowledge
darnie
on Oct 14, 2012
Oct 14, 2012
04:06 PM
by
darnie
9
1,520
GMT 800 & Older GM General Discussion
Tru Cool Install - Easy Install Tip
(
1
2
3
)
kpanza
on Sep 29, 2011
Oct 13, 2012
11:47 PM
by
SLCviaAK
20
37,538
GM Drivetrain & Suspension
turbo lq9
(
1
2
)
6.0l RST
on Sep 27, 2012
Oct 4, 2012
11:56 AM
by
black00chev
15
14,792
FORCED INDUCTION
6.0l
(
1
2
3
)
121
on Sep 26, 2012
Sep 28, 2012
03:42 PM
by
121
25
3,747
GM Engine & Exhaust Performance
4.8 pistons in a 5.3
(
1
2
)
04-4x4
on Sep 7, 2012
Sep 27, 2012
08:52 AM
by
blueshifty
10
12,915
GM Engine & Exhaust Performance
LQ9 + 60cc 243 heads - Too much compression?
(
1
2
)
KevinF56
on Mar 6, 2012
Sep 26, 2012
11:01 PM
by
06vortecMAXls6
19
40,583
INTERNAL ENGINE MODIFICATIONS
8.1l high boost
(
1
2
3
)
whippled 8.1l build
on Sep 18, 2012
Sep 22, 2012
08:30 PM
by
whippled 8.1l build
27
41,058
FORCED INDUCTION
compression test results, can't find info on what it should be
TXjeepTJ
on Sep 14, 2012
Sep 14, 2012
04:08 PM
by
TXjeepTJ
2
1,706
GMT 800 & Older GM General Discussion
Compression Ratio with Turbo
Ferocity02
on Sep 11, 2012
Sep 12, 2012
01:48 PM
by
Ferocity02
4
1,378
FORCED INDUCTION
243 Z06 Heads and Cam On an '03 5.3
(
1
2
3
4
)
bluebird71
on Aug 19, 2012
Aug 27, 2012
11:33 PM
by
bluebird71
32
47,811
INTERNAL ENGINE MODIFICATIONS
.04 or .03 cometic gaskets. Which would you choose?
tqcraver00
on Aug 16, 2012
Aug 23, 2012
02:20 PM
by
Sales3@Texas-Speed
5
2,322
INTERNAL ENGINE MODIFICATIONS
compression test with engine out
smoggist
on Aug 12, 2012
Aug 13, 2012
01:56 AM
by
1FastBrick
2
1,020
GMT 800 & Older GM General Discussion
Dynamic Compression
(
1
2
)
05HD1500
on Jul 10, 2009
Aug 10, 2012
10:27 AM
by
05HD1500
19
8,349
INTERNAL ENGINE MODIFICATIONS
LY5 Compression Ratio
Jake Wade
on Aug 5, 2012
Aug 6, 2012
05:32 PM
by
Jake Wade
4
5,993
GMT 900 Trucks General Discussion
highest compression on 93 octane
teamblackandred
on Mar 29, 2012
Jul 28, 2012
06:40 PM
by
JoeyGC5
9
5,478
INTERNAL ENGINE MODIFICATIONS
1988 - 2006 Rough Country Torsion Bar Tool and A/C Recharge Kit
shaw_426hemi
on Jul 6, 2012
Jul 19, 2012
01:36 PM
by
shaw_426hemi
4
756
GM Parts Classifieds
Compression Test help
(
1
2
)
Hawaiian_Built
on Jul 14, 2012
Jul 17, 2012
06:51 AM
by
whippled 8.1l build
10
2,182
GMT 800 & Older GM General Discussion
243s or L92s
(
1
2
3
)
slowWhitez71
on Jul 8, 2012
Jul 10, 2012
05:57 AM
by
zero2sixT
21
4,548
GM Engine & Exhaust Performance
getting an LQ4, head gasket questions
Gadgetized
on Jul 4, 2012
Jul 5, 2012
05:08 PM
by
Sales3@Texas-Speed
8
18,030
INTERNAL ENGINE MODIFICATIONS
Looking for some advice/help from seasoned HP Tuners users.
(
1
2
)
blade7022
on Jun 18, 2012
Jun 30, 2012
09:19 AM
by
blade7022
11
2,445
Tuning, Diagnostics, Electronics, and Wiring
Shaving head to raise compression
Bubbalong
on Jun 28, 2012
Jun 29, 2012
10:40 AM
by
Sales3@Texas-Speed
3
2,438
INTERNAL ENGINE MODIFICATIONS
6.2L or iron 6.0L????????
(
1
2
3
4
)
62nalide
on Jun 20, 2012
Jun 27, 2012
05:28 PM
by
ssheathss
32
6,421
INTERNAL ENGINE MODIFICATIONS
Nitrous Jet Restrictors
Ferocity02
on Jun 26, 2012
Jun 26, 2012
04:14 PM
by
o2camaross
9
3,096
FORCED INDUCTION
what's the part number for ARP head bolts on LQ4?
(
1
2
)
fst100
on Jun 5, 2012
Jun 22, 2012
10:28 AM
by
Sales2@Texas-speed
13
39,471
INTERNAL ENGINE MODIFICATIONS
LS9 head gasket thickness and compression ?
Secondhand SS
on Mar 2, 2012
Jun 10, 2012
05:40 AM
by
smokeshow
5
17,067
INTERNAL ENGINE MODIFICATIONS
862 heads on a LQ4 for GAS mileage...
SamuelsonMotorsports
on May 26, 2012
May 28, 2012
04:05 AM
by
rjwz28
5
12,442
GM Engine & Exhaust Performance
Help on compression ratio
SSean98
on May 27, 2012
May 27, 2012
07:53 PM
by
batboy
1
863
GMT 800 & Older GM General Discussion
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