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GMTMark
I'm Awesome
·
From
Lakeland, Tn.
Joined
Nov 3, 2018
Last seen
Nov 20, 2023
Messages
142
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GMTMark
reacted to
Supercharged111's post
in the thread
Gen 6 454 Questions
with
Like
.
I'm under the impression you need special head gaskets to put anything other than a GenV head on a GenV block. MarkIV and GenVI are...
Oct 23, 2023
GMTMark
reacted to
Schurkey's post
in the thread
Gen 6 454 Questions
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Like
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Gen V short-block, the heads, intake, and front cover/crank sensor/crank reluctor from your existing engine. You'd need some gaskets...
Oct 23, 2023
GMTMark
reacted to
L31MaxExpress's post
in the thread
Budget 383 vortec sleeper build.
with
Like
.
My $0.02 on this. Zero deck the block, 0.038" compressed head gaskets. That should put you where you need to be quench wise. Then use...
Sep 13, 2023
GMTMark
reacted to
L31MaxExpress's post
in the thread
Budget 383 vortec sleeper build.
with
Like
.
Where you want your power, I would simply clone the HT383 in terms of camshaft specs. You will not get 350-400 HP (more like 330 hp)...
Sep 13, 2023
GMTMark
replied to the thread
Tuning vortec to run on as little sensors as possible
.
You can program to never come out pf open loop then tune the af mixture and timing to your preference. It’s a little bit like...
Sep 13, 2023
GMTMark
reacted to
Pinger's post
in the thread
Tuning vortec to run on as little sensors as possible
with
Like
.
On more modern engines, the cam sensor is there for start up only. Once running, data from the crank sensor is all that's needed. On...
Sep 13, 2023
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