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8
89gmc
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From
wilmington,nc
Joined
Dec 24, 2023
Last seen
Apr 10, 2024
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8
89gmc
reacted to
evilunclegrimace's post
in the thread
L31 Extreme Budget Build
with
Like
.
I think I want L31 Max to adopt me just so I can have his take offs:rotflmao::rotflmao:
Apr 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
L31 Extreme Budget Build
with
Like
.
The lightweight 350 pistons are a different story though. Using the 305 crank with the lightweight 350 pistons is actually even...
Apr 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
L31 Extreme Budget Build
with
Like
.
Short block is done. Tomorrow I will finish cleaning the heads and get them installed. Along with the oil pump, valve train, tinware...
Apr 10, 2024
8
89gmc
reacted to
Sean Buick 76's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
Yes ditch the lt1 dont spend good money after bad
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
Except I have done the actual testing numerous times with the same result. The Vortec heads were not where the added torque came from...
Feb 10, 2024
8
89gmc
reacted to
tayto's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
i also vote for the TBI heads if this a budget build. do home DIY pocket porting and run a real exhaust.
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
ALL vortecs lose torque to a TBI head under ~4K. I have worked on numerous dozens of examples of both the TBIs and L31s both stock and...
Feb 10, 2024
8
89gmc
reacted to
Sean Buick 76's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
I would avoid the LT1 personally, just to reduce the time messing around.
Feb 10, 2024
8
89gmc
reacted to
Moofus02's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
That's not a tpi. That's lt1 reverse flow coolant. No distributor at back of intake. It's between water pump and timing cover. Those...
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Sad
.
Intake gasket absolutely can dump coolant into a cylinder, especially on the L31. Had a 57K mile L31 grenade on startup due to leaking...
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
Just did a similar build. Cam is more like 1,500-5,500 in the one I did and I used a ProFlow 4 injection. No turbo on it because it is...
Feb 10, 2024
8
89gmc
reacted to
Sean Buick 76's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
All good points I agree. But the 20 year old me wanted the high rpm power. I’m old now so I want both lol. I’m building my 92 2500...
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
This was from a datalog on a more than 100 mile trip. I did not run over ~2,500 rpm at any point. The 383 makes loads of grunt and moves...
Feb 10, 2024
8
89gmc
reacted to
L31MaxExpress's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
This is a comparison of one of the most basic L31 350s against the hottest 5.3L made the Gen V direct injected version. Give me the 350...
Feb 10, 2024
8
89gmc
reacted to
tayto's post
in the thread
Head Swap Options For 5.7L 350 TBI Engine
with
Like
.
To the OP: if you're someone with little to no experience modifying engines I stand by my previous statement. Fix what ya got. Having a...
Feb 10, 2024
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