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Forum: General Q & A

03-22-2017, 07:36 AM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

I ended up going with a custom cam, 245-250 and...

I ended up going with a custom cam, 245-250 and 650 lift. It pulls to 5500 rpm up here at 7000 da. I didn't Dyno it but probably should have I just ran out of money.

Forum: General Q & A

03-21-2017, 10:08 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

Here's a quick clip ...

Here's a quick clip

https://youtu.be/M76Nhbobk3E

Forum: General Q & A

03-21-2017, 10:03 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

Just a little update here, The boat picked up 12...

Just a little update here, The boat picked up 12 mph from a 502 mpi to the new 540, I'm happy and cant wait for the M4 and better drive.

Forum: General Q & A

10-28-2016, 10:26 AM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

They are icon off the shelf flat tops 2618. I...

They are icon off the shelf flat tops 2618. I received the now balanced rotating assembly from the machine shop and will be found a final mock up to check everything one last time. The crank and rods...

Forum: General Q & A

10-27-2016, 07:56 AM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

Thank you all. I find it interesting that the...

Thank you all. I find it interesting that the power curve of th SC just keeps climbing with that small of a cam and NA it falls off around 5500.

Forum: General Q & A

10-26-2016, 08:53 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

That forum post was a little hard to follow but...

That forum post was a little hard to follow but either way it made decent power.

Awesome, exactly what I have been looking for.Thank you! I bet those injectors were about tapped out.:D

Forum: General Q & A

10-26-2016, 05:23 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

Definitely, the best cylinder head guy in the...

Definitely, the best cylinder head guy in the state is a good friend of mine so I have no doubt that they will be right when I bolt them on. The whole idea of stud mounted rockers is a step back in...

Forum: General Q & A

10-26-2016, 01:20 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

Yeah it's a 3cc relief. With the 502 rotating...

Yeah it's a 3cc relief. With the 502 rotating assembly it was .003 in the hole and now it's .005 out with the new stuff. If I go to a .051 gasket it will be 9.15:1 which is probably the right thing...

Forum: General Q & A

10-26-2016, 12:41 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

The center of the piston is .005 above the deck...

The center of the piston is .005 above the deck but with piston rock it could be as much as .018 above the deck.

Forum: General Q & A

10-26-2016, 09:27 AM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

The cam and lifters haven't been ordered yet so...

The cam and lifters haven't been ordered yet so they are still a blank sheet of paper..
The heads are box stock and Afr claims they are 121cc so if the surface checks out good for mls gaskets they...

Forum: General Q & A

10-26-2016, 07:51 AM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

I hadn't seen that cam in my searching, do you...

I hadn't seen that cam in my searching, do you think it needs that much exhaust duration for the blower or the small exhaust pipes?

On the head gaskets, the piston at full tilt was something like...

Forum: General Q & A

10-25-2016, 08:53 PM

Replies: 55

New 540 Combo

Views: 16,552

Posted By NDH2O

New 540 Combo

So I'm looking for advise on my winter project. The boat is a 2001 single engine 28' stepped vee bottom bravo 1 believed to weigh somewhere around 6500 lbs loaded. It had a 502 mpi that I said I was...

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