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Bextreme04's latest activity
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
The iron heads that would have come off it are very good heads, but they will be rectangular port heads and not great at low RPM. I...
Jun 19, 2026
Bextreme04
reacted to
custodian's post
in the thread
Quadrajet Idle Mixing Screws
with
Like
.
I took the carb loose and sprayed them with PB Blaster. They turn now.
Jun 19, 2026
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
It's also worth noting that a Gen VII BBC cam will also work just fine, but would change the firing order to an LS firing order. It...
Jun 19, 2026
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
No. All of your stuff just needs to match. If he had a factory style hydraulic roller cam installed already, he could just keep that. If...
Jun 19, 2026
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
You shouldn't need anything to run a flat tappet. The Gen VI just has the machined boss on the front to run the cam retaining plate and...
Jun 18, 2026
Bextreme04
reacted to
justicemclinden's post
in the thread
Installed new tachometer and put a 70s fuel gauge in 85 cluster and now truck won’t start any ideas?
with
Like
.
Whoever was working on the truck before me definitely redid the wiring harness and there is a bunch of bs that has been done and now the...
Jun 18, 2026
Bextreme04
reacted to
KDizzle's post
in the thread
Overheating Rebuilt 350
with
Like
.
It appears you found the culprit…me, ordering a standard flow water pump. It most likely is a coolant flow issue based on whats...
Jun 17, 2026
Bextreme04
replied to the thread
Overheating Rebuilt 350
.
When I have broken them in on a stand.... no fan, no thermostat, radiator hooked up, output from intake to heater dumping on ground...
Jun 17, 2026
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
The Marine 502's from the 90's-early 2000's would have almost all been based on Gen VI block architecture. That means one piece rear...
Jun 17, 2026
Bextreme04
replied to the thread
Installed new tachometer and put a 70s fuel gauge in 85 cluster and now truck won’t start any ideas?
.
Tach in a square will have a separate harness with power/ground connections and a single wire that runs from signal on the tach to the...
Jun 16, 2026
Bextreme04
replied to the thread
Marine 502 into 1984 GMC 2500 454
.
Pics? Depends on what the "Marine 502" actually is. What the block casting number? Where did he get it from? Is it one piece or two...
Jun 16, 2026
Bextreme04
reacted to
DoubleDingo's post
in the thread
Radiator Support Bushings: Is this correct?
with
Like
.
I agree with @CalSgt I don't think you need to worry about the frame mounts.
Jun 11, 2026
Bextreme04
reacted to
ChuckN's post
in the thread
Chuck’s engine build thread!
with
Like
.
Waiting for the parts to arrive today. Even after acid washing the intake, it looked like a$$, stained, etc. So I hit it with some...
Jun 11, 2026
Bextreme04
reacted to
CoggedBelt75's post
in the thread
Chuck’s engine build thread!
with
Love
.
Something seems missing in your picture. Thought it needed a little something extra.;)
Jun 11, 2026
Bextreme04
reacted to
Craig Nedrow's post
in the thread
Chuck’s engine build thread!
with
Like
.
Geez Chuck, sounds like me with my motor, some things fit, some don't. Those Brodex Heads, just curious about the specs....Carry on!
Jun 11, 2026
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