Dyno Time - 304

[Deuce]

The diff and tyre size affect overall gear ratio.
I still do not think that you can multiply ratios of gears to see what you have. That just doesn't seem right.

 

[VSCristian]

True...

I don't know what if any affect running the test in second rather than third would do, other than the higher torque figure.

 

[Circlotron]

Third being 1:1 ratio where the planetary gears are locked together and rotate as a single lump might have less friction losses than first or second gear where the planetary bits roll around each other.

 

[Slugger 1979]

Hey guys
New to this thread, but been reading for a while.
I have a VK modified dirt curcuit car.
Running a 304 against a swarm of LS Chevs.
Every one is trying to convince me to join the LS side but I’m not interested in joining that mob of sheep.
So I’ve built a new 304.
I wanted to keep it stock stroke with spike rods forged flat tops.
I ended up getting a set of RPM alloy heads and air gap manifold, spent a few days port matching and cleaning up short turns and plenum.
Machined them down to 55cc.
Cam is a custom 244 @50deg and 580 lift 108 love separation.
YT Platnum 1.75 rockers.
650 Holley 4150 double pumper.
Ice 2 stage ignition
Manta 1 3/4 primaries 3” collectors.
It’s in the car now and running and sounds bloody nasty.
I will get it tuned in a couple of weeks to see what we have got.
Will give u an update then..,.

 

[NORTI]

Good luck it’s hard holding onto the old 5L in a field of LS
We are the same in burnout scene. It’s lonely being a 304 in a world of LS and Barras

 

[Deuce]

Hey guys
New to this thread, but been reading for a while.
I have a VK modified dirt curcuit car.
Running a 304 against a swarm of LS Chevs.
Every one is trying to convince me to join the LS side but I’m not interested in joining that mob of sheep.
So I’ve built a new 304.
I wanted to keep it stock stroke with spike rods forged flat tops.
I ended up getting a set of RPM alloy heads and air gap manifold, spent a few days port matching and cleaning up short turns and plenum.
Machined them down to 55cc.
Cam is a custom 244 @50deg and 580 lift 108 love separation.
YT Platnum 1.75 rockers.
650 Holley 4150 double pumper.
Ice 2 stage ignition
Manta 1 3/4 primaries 3” collectors.
It’s in the car now and running and sounds bloody nasty.
I will get it tuned in a couple of weeks to see what we have got.
Will give u an update then..,.

Totally need a dedicated thread to this build (V8 development section)
And you need to add pictures.

Maybe @Immortality can move it for us?

 

[Slugger 1979]

Good luck it’s hard holding onto the old 5L in a field of LS
We are the same in burnout scene. It’s lonely being a 304 in a world of LS and Barras

Yes it’s gunna be interesting. We will be ringing its neck, but I think we have the rest of the car set up pretty well so hopefully will take it up to them….

 

[Immortality]

Doesn't matter, you'll sound better doing it no matter what.

edit:
Is that a single or dual plane manifold? If it's the dual plane try running it with a 1" open spacer, others have found that gives a better result as it evens out an imbalance the manifold seems to have.

 

[Dylan kingswood]

Good luck it’s hard holding onto the old 5L in a field of LS
We are the same in burnout scene. It’s lonely being a 304 in a world of LS and Barras

Ls for cheap power but they never get the note of a 4.2 or 5.0

 

[Slugger 1979]

Doesn't matter, you'll sound better doing it no matter what.

edit:
Is that a single or dual plane manifold? If it's the dual plane try running it with a 1" open spacer, others have found that gives a better result as it evens out an imbalance the manifold seems to have.

It’s a high rise dual plane, will definitely try a spacer to get the last drop out of her….