High Performance

Significantly higher performance over stock... not for aftermarket air filters and mufflers. Discuss blowers, super-chargers, turbo, nitrous, replacement performance engines...

Sticky threads

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  • Sticky
https://sites.google.com/view/vortec4200wiki/home
Replies
2
Views
160
mrrsm
mrrsm

Normal threads

E
4200 Manual Transmission Flywheels - group buy
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6
Views
7K
efi-diy
E
Mooseman
Check out this video of an INSANE stock 4.2 with add-ons
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0
Views
3K
Mooseman
Mooseman
mrrsm
MELLING GM - GMC LS ENGINE PERFORMANCE KIT CATALOG
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0
Views
915
mrrsm
mrrsm
mrrsm
"IF... You Get My DRIFT... ?"
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1
Views
1K
Chickenhawk
Chickenhawk
Mooseman
YT: 4200 turbo build
Replies
45
Views
13K
TollKeeper
TollKeeper
808
4.2L LL8 Atlas turbo exhaust manifold
Replies
0
Views
4K
808
808
C
Custom Billet cam cores for GM 4.2L (Vortec 4200)
Replies
1
Views
4K
mrrsm
mrrsm
A
4.2L Turbo Build
Replies
8
Views
3K
boosted blazer
B
mrrsm
"Connecting The Dots..." on using Carbon Fiber Con-Rods for HP Engines
Replies
2
Views
2K
TollKeeper
TollKeeper
mrrsm
"Sweet Suburban Classic" with a Twin Turbo Six
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1
Views
2K
coolride
coolride
mrrsm
Invoking the "F" Word in In-Line Sixes... "The Barra"
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0
Views
1K
mrrsm
mrrsm
B
Upgrades??
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5
Views
3K
Bronsonc1856
B
Mooseman
(Videos) 4.2L performance build with dyno
Replies
17
Views
5K
Mooseman
Mooseman
Maverick6587
LS2 Rat Rod Build
Replies
11
Views
3K
Mooseman
Mooseman
E
4200 cams - Bullet cams
Replies
5
Views
3K
efi-diy
E
I_Shoot_Back
New video on a turbo 4200.
Replies
3
Views
2K
Sparky
Sparky
Capote
  • Locked
Capote's 4.2L Turbo Build (ᴩʀᴏᴊᴇᴄᴛ ᴀʙᴀɴᴅᴏɴᴇᴅ)
Replies
19
Views
30K
Reprise
Reprise
Boricua SS
Cam swap complete!
Replies
9
Views
4K
Boricua SS
Boricua SS
mrrsm
After-Market HP Con-Rods for GM 4.2L LL8
Replies
0
Views
4K
mrrsm
mrrsm
mvtedesco7771
New project
Replies
3
Views
3K
dmanns67
dmanns67
E
billet cam blanks - with VVT oil passages
Replies
2
Views
2K
efi-diy
E
M
4.2 turbo in 1950's chevy pick up
Replies
4
Views
4K
Envoy_04
Envoy_04
00brado
turbo injector help
Replies
2
Views
3K
00brado
00brado
E
turbo pistons
Replies
0
Views
3K
efi-diy
E
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