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LS1TECH - Camaro and Firebird Forum Discussion
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LS1TECH - Camaro and Firebird Forum Discussion
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Threads Tagged with
421
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Last Post
Replies
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Forum
2003 Trans Am
(
1
2
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SSClone
on 08-17-2011
07-21-2023
06:11 PM
by
ghardester
36
20,675
Pontiac Firebird 1967-2002
408 vs. 421 Iron Stroker
(
1
2
)
drenner43
on 11-24-2011
01-10-2021
01:18 PM
by
DualQuadDave
24
33,399
Generation IV Internal Engine
Please list your SBC/BBC Project here!
(
1
2
3
4
5
...
Last Page
)
Nine Ball
on 11-11-2004
10-17-2019
06:35 AM
by
Freddy Bechtol
297
186,707
Small Block & Big Block Chevy Specific
180 Degree Headers
slick1851
on 11-28-2007
11-23-2018
06:39 PM
by
G Atsma
18
25,794
Advanced Engineering Tech
LS temp gauge setup, 4 BW alum dp flange
69-chvl
on 09-13-2013
03-04-2015
07:00 PM
by
69-chvl
18
1,309
Parts Classifieds
421 stroker prc 2.5 5.3 heads vs stock Ls3 heads?
(
1
2
)
spikestang
on 06-10-2014
06-12-2014
11:59 AM
by
redtan
20
8,012
Generation III Internal Engine
Complete New Dart 421 SBC Dart heads Callies .Oliver
LS1&95S10
on 04-12-2014
04-16-2014
01:41 AM
by
bigfatls6
2
2,291
Parts Classifieds
Project mini "Full Pull"
(
1
2
3
)
THADD
on 10-08-2013
04-05-2014
08:30 PM
by
Sales@Tick
56
5,247
Carbureted LSX Forum
Pushing 550+ rwhp out of ls2 n/a.. feasible?
(
1
2
)
Tiger Stripes
on 11-19-2013
11-21-2013
05:36 PM
by
Dirty Vegas
34
24,805
Generation IV Internal Engine
LS3 heads or not???
(
1
2
3
4
)
87caprice318
on 09-22-2013
11-07-2013
10:33 PM
by
3pedals
65
13,138
Carbureted LSX Forum
Billet S480 track results... Round 2. We cracked the 4.90's.
(
1
2
)
LilJohn
on 04-10-2013
09-10-2013
11:36 AM
by
DrTurbo
34
8,145
Forced Induction
Lets see some of those mean LT1 Camaros *DON'T QUOTE PICS!!!
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1
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5
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Last Page
)
MadMike 97 Z28
on 08-14-2007
06-05-2013
06:23 PM
by
bad95killer
112
28,129
Multimedia Exchange
TSP's 421ci 6.9 LQ9. Patrick G tuned 547whp 527wtq...
(
1
2
)
ZetaVeinteOcho
on 04-28-2013
05-15-2013
01:31 PM
by
weldermike27408
21
7,565
Dynamometer Results & Comparisons
Texas speed and performance 408 or 421 turbo
Bay2mich
on 03-16-2013
03-16-2013
09:17 AM
by
TheLS1Lover
2
2,059
Forced Induction
421 stroker?
(
1
2
3
)
FormulaV8A4
on 05-26-2005
02-15-2013
11:30 AM
by
bufmatmuslepants
47
10,266
LT1-LT4 Modifications
New TSP 421 LQ9 install: Now #1 cylinder connecting rod bolt is hitting the oil pan
(
1
2
3
4
)
ZetaVeinteOcho
on 11-07-2012
12-07-2012
08:47 PM
by
Bama99z
74
11,711
Generation III Internal Engine
Callies Compstar H Beam Rods - Used
CouJoe56
on 11-27-2012
11-30-2012
09:52 PM
by
CouJoe56
16
1,318
Parts Classifieds
New project-twin turbos
sc5952
on 08-16-2012
08-28-2012
10:12 AM
by
sc5952
14
1,988
Forced Induction
LSx 421 Rotating assembly, Blower cam, 120# injectors
pwrtrip75
on 02-26-2012
08-02-2012
09:06 AM
by
pwrtrip75
4
1,995
Parts Classifieds
FS:2000 c5 vette 421 stroker ls
aksz71
on 07-14-2012
07-24-2012
08:40 PM
by
aksz71
7
2,488
Vehicle Classifieds
421 pulling truck build
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1
2
)
ratgun
on 07-10-2012
07-16-2012
12:16 PM
by
Rise of the Phoenix
26
6,991
Generation III Internal Engine
Stepped 4-2-1 Edelbrock Headers w. Catted Y Pipe
Ping King
on 06-23-2012
07-15-2012
05:50 PM
by
xRelapse13
8
1,040
Parts Classifieds
Tread Depot's Deals
Tread Depot
on 05-11-2012
05-21-2012
04:20 PM
by
Tread Depot
3
1,088
Sponsor Sales & Specials
Heads, Manifolds, Bottom End?
slo99ls
on 04-26-2012
04-26-2012
12:55 PM
by
slo99ls
3
753
Forced Induction
big cube engine
97badass
on 04-07-2012
04-08-2012
12:54 PM
by
97badass
9
1,775
Generation III Internal Engine
lt1 throttle body
z28tommy
on 03-20-2012
03-22-2012
09:47 PM
by
v7guy
2
697
LT1-LT4 Modifications
Guy wants to trade me a 421 Camaro SS with 75 MM Turbo
filmnews
on 03-05-2012
03-05-2012
12:23 PM
by
Camaro_94
6
1,042
General LSX Automobile Discussion
Those with SDPC or TSP shortblocks.....
(
1
2
)
JC70SS
on 02-25-2012
03-01-2012
07:28 AM
by
venom ws7
22
6,858
Generation IV Internal Engine
418/421 LQ9 TSP build.
Thule
on 02-26-2012
02-28-2012
04:33 PM
by
Jason 98 TA
9
21,259
Generation IV Internal Engine
sold
KS-LS1
on 12-14-2011
01-26-2012
12:46 PM
by
bedo
19
5,008
Vehicle Classifieds
Thinking about a 421" LQ4 Build.....
DMM
on 01-08-2012
01-09-2012
08:41 PM
by
wildcamaro
5
8,302
Generation III Internal Engine
94 Supra with 421 stroker smallblock swap
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Last Page
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KS-LS1
on 12-18-2011
01-08-2012
09:32 AM
by
Redfire 03
205
19,409
Multimedia Exchange
racetronix billet fuel pump cover FREE!!!!
blazerls1
on 01-05-2012
01-07-2012
10:31 AM
by
blazerls1
1
509
Parts Classifieds
Dyno Results
ivan c
on 12-10-2011
12-10-2011
09:03 PM
by
ivan c
0
1,029
Dynamometer Results & Comparisons
LQ4/9 - 4.125 Stroke 4.060 Bore - Opinions
drenner43
on 07-19-2011
11-30-2011
10:46 PM
by
01ssreda4
13
10,067
Generation III Internal Engine
My car will not mile a hour little help here
(
1
2
3
)
deangoodin
on 11-23-2011
11-29-2011
06:54 PM
by
JL ws-6
52
3,807
Drag Racing Tech
421CID stroker from texas speed
(
1
2
)
02sslayer
on 09-05-2011
09-15-2011
04:37 PM
by
02sslayer
38
2,756
Northwest Members
The V finally truly impressed me
SSmokd U
on 09-12-2011
09-12-2011
11:45 PM
by
SSmokd U
7
892
Cadillac CTS-V 2004-2007 (Gen I)
Pushing water through copper HG
(
1
2
3
4
)
408ant
on 08-08-2011
09-08-2011
11:34 PM
by
FANTAZ28
63
4,652
Forced Induction
421CID stroker from texas speed
(
1
2
)
02sslayer
on 09-05-2011
09-08-2011
04:31 PM
by
Firehawk441
22
10,602
Generation IV Internal Engine
Manual or Automatic
(
1
2
3
4
5
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Last Page
)
kyle91z28
on 05-23-2005
09-07-2011
08:47 PM
by
NASCARneil
174
31,703
LT1-LT4 Modifications
406 stroker vs 421 stroker
dkcoleman01
on 07-21-2011
09-01-2011
06:24 PM
by
Big Al
10
18,469
Small Block & Big Block Chevy Specific
Tsp 421
6th gear
on 08-08-2011
08-17-2011
10:51 PM
by
01ssreda4
7
1,760
Generation III External Engine
RPM Motorsports--H/C/I A4 472 rwhp/421 rwtq !!!
ryan@rpm
on 06-10-2011
07-25-2011
08:03 PM
by
yonerhottlt1
16
2,309
Dynamometer Results & Comparisons
408ci vs 421ci..??????
Texas_LS1
on 07-18-2011
07-18-2011
09:55 PM
by
LPE 403
5
1,275
Generation III Internal Engine
Input on heads/cam for TSP 421 cu in.
00 Freak
on 07-11-2011
07-14-2011
07:08 PM
by
Jimbo1367
13
3,102
Generation IV Internal Engine
what about boring?
bugy
on 06-15-2011
06-16-2011
10:49 PM
by
Randy WS6
11
3,216
Generation III Internal Engine
98 camaro w/ brand new 421 ls2 turbo stroker
justfast32
on 05-27-2011
06-13-2011
11:28 PM
by
elevensecondv6
5
2,047
Vehicle Classifieds
421 726HP N/A 89 Notch .. Ya i know not LSX
zapp109
on 05-12-2011
05-13-2011
08:18 AM
by
Chicago TDP
4
1,461
Conversions & Swaps
iPhone 3GS 8GB iOS 4.2.1 Jailbroken & unlocked! Free apps! $310 shipped!!
blake110106
on 03-02-2011
03-18-2011
02:00 AM
by
blake110106
13
923
Non-Automotive Classifieds
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