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Search: Posts Made By: fbh-velocity
Showing results 26 to 50 of 103
Search took 0.01 seconds; generated 68 minute(s) ago.
Forum: General Q & A
07-26-2008, 05:39 AM
Replies: 43
Views: 43,738
Posted By fbh-velocity

Please??:party-smiley-004:

Please??:party-smiley-004:
Forum: General Q & A
07-24-2008, 04:58 PM
Replies: 43
Views: 43,738
Posted By fbh-velocity

A lot of very good info here. At what RPM will i...

A lot of very good info here. At what RPM will i Peak TQ and HP with this combination?

-540 merlin
-9.6 CR 990 Heads mild portet 2.19 1.88 3 angle
-Roller 741 cam, crane roller rockers...
Forum: General Q & A
07-10-2008, 03:14 AM
Replies: 43
Views: 43,738
Posted By fbh-velocity

Look like the cam guy´s really know what they are...

Look like the cam guy´s really know what they are doing..Is Bob Mandera from RMbuilder? must be the way to go...:ernaehrung004:
Forum: General Q & A
07-09-2008, 03:14 PM
Replies: 43
Views: 43,738
Posted By fbh-velocity

Im running lightning headers!. What cam was the...

Im running lightning headers!. What cam was the Mercury Racing Bulldog originaly came with.? Intake and heads? and what makes it down to only 470 propHP ? just to compare why it is so easy to make op...
Forum: General Q & A
07-09-2008, 03:28 AM
Replies: 43
Views: 43,738
Posted By fbh-velocity

Heads are mark IV with the round water holes....

Heads are mark IV with the round water holes. They dont fit gen 5 block
The camshaft grind # ZHR-288-2S-12 IG is the new teknology from cranecams. 226*234* .587 .610 and this cam replace the old...
Forum: General Q & A
07-08-2008, 01:48 PM
Replies: 43
Views: 43,738
Posted By fbh-velocity

How to make 550-600 Hp in a´540

I am thinking about buying a´merlin 540 short block and build a motor with 550+ Hp @ 5000 RPM. Is it possible for what I am doing?:rolleyes:

I understand that the merlin block is markIV right?
...
Forum: Prop Talk
06-15-2008, 08:04 AM
Replies: 3
Views: 815
Posted By fbh-velocity

any good ideas?

any good ideas?
Forum: General Q & A
06-15-2008, 07:58 AM
Replies: 23
Views: 4,941
Posted By fbh-velocity

I have excacly same problem on my 500 hp 454. I...

I have excacly same problem on my 500 hp 454. I have bin all the way as you describe and still have way too high pressure. Thought it was the Headers that was the problem but its not. When turning...
Forum: Prop Talk
06-13-2008, 01:02 PM
Replies: 3
Views: 815
Posted By fbh-velocity

T/ Bravo Two Alu vs stainless

Hi, I am running twin V6 in my Maxum 2800SCR with Bravo Two drive. WOT is 37 Mph with alu prop 19". Will here be any gain or difference if i change to Stainless prop on a bravo Two?
Forum: General Q & A
07-29-2007, 03:17 PM
Replies: 1
Views: 1,922
Posted By fbh-velocity

454 magnum EFI/MP 385 ECU-remapping?

My engine was bored to .060 OS piston. Will this modification need any change anything in relation to the ECU program ?
Forum: General Q & A
07-02-2007, 03:23 PM
Replies: 3
Views: 5,988
Posted By fbh-velocity

Dont know about the heat, but did you see any...

Dont know about the heat, but did you see any difference in performancewhwn switching to V8-HP module ??
Forum: General Q & A
02-22-2007, 12:35 PM
Replies: 6
Views: 1,503
Posted By fbh-velocity

I think your 23P quicksilver prop is the older...

I think your 23P quicksilver prop is the older style with rubber inserts. (Not Flo-torq II) You will need Mercury#11-827614A 3 Prop Nut Kit. Another solution could be replacing the spline and rubber...
Forum: General Q & A
12-29-2006, 01:34 AM
Replies: 3
Views: 2,694
Posted By fbh-velocity

Re: Main Bearing high performance or standard

Thanks
Forum: General Q & A
12-28-2006, 05:06 PM
Replies: 3
Views: 2,694
Posted By fbh-velocity

Main Bearing high performance or standard

Im a´little confused about what kind of main bearing to use in marine application.? Im rebuilding a´454 magnum 365 hp. It will end up with about 450 hp. Can i use the old type Clevite 77 P.serie or...
Forum: General Q & A
07-27-2006, 04:48 AM
Replies: 3
Views: 3,641
Posted By fbh-velocity

Power loss caused by heat

I'm wondering how much power I'm down for each 10 F the intake temperature is raising.? :rolleyes: In the spring when the water was about 50F. And air was 60F i could turn 5300 RPM 26 B1 lab...
Forum: General Q & A
06-01-2006, 11:31 AM
Replies: 10
Views: 14,906
Posted By fbh-velocity

Re: 454: what pistons and cam?

You are building a mild 454, using your stock heads/ valve size.
I would use hyperpiston and make close to 9:1 CR. They are strong enough for what you are doing. I think your cam choice is too...
Forum: Prop Talk
05-31-2006, 02:28 PM
Replies: 13
Views: 5,123
Posted By fbh-velocity

Re: Labbed mirage 25 +

After a lot of communication and professional advice from Peter Nonneman, Nordic Powerboats Europe, I ended up buying a 26" Bravo 1 Lab finished by Mercury Racing. I did some test run today and the...
Forum: General Q & A
05-15-2006, 09:16 AM
Replies: 6
Views: 1,093
Posted By fbh-velocity

Re: Oil temp question

I would say you need a oil cooler. Temp are in high end but syntetic oil will survive much more heat than mineral oil
Forum: General Q & A
05-14-2006, 02:50 AM
Replies: 7
Views: 2,625
Posted By fbh-velocity

Re: 330HP 454 not warm enough!

Okay, then try to place another sender in your intake manifold. There should be ½" thread just beside your T-house. This is the thrue water temp from the engine. I start thinking about you maby have...
Forum: General Q & A
05-13-2006, 09:33 AM
Replies: 13
Views: 2,991
Posted By fbh-velocity

Re: oil pumps and pan capacity

I use castrol 10w-40 in my engine also with hi vol oil pump. I don't think you can run your pan dry whatever you use 10w-40 synthetic or 20/50. the 10w-40 is a faster oil, but you might see a little...
Forum: General Q & A
05-10-2006, 07:00 AM
Replies: 13
Views: 2,991
Posted By fbh-velocity

Re: oil pumps and pan capacity

I dont think you can run the pan dry, make sure your oil level is between the marks on the oilpin. If your oil pressure is fluctuating on reading when you WOT it could be a indicator for low oil in...
Forum: General Q & A
05-09-2006, 02:51 PM
Replies: 25
Views: 5,055
Posted By fbh-velocity

Re: HP500 rebuild...what next?

The 731 cam has bin replaced with the new Z-camprofile #139011. This cam act like a "bigger" cam caused to the new grind. Powerrange is 1600-5600 RPM and it pulls very strong al way up and idle is...
Forum: General Q & A
05-09-2006, 11:31 AM
Replies: 13
Views: 2,991
Posted By fbh-velocity

Re: oil pumps and pan capacity

If you have a standard 330 it has 8 qt oil pan. You can run a high volume oil pump but you will push the load on distributor gear and normally there is no need for more than standard pump. If your...
Forum: General Q & A
05-08-2006, 10:41 AM
Replies: 3
Views: 883
Posted By fbh-velocity

Re: oil and water temps

Mercruiser use 140* thermostat. 160* on MPI. 180* is too high and if you are in saltwater the salt will more likely crystallize in your motor.
Forum: General Q & A
05-08-2006, 10:31 AM
Replies: 3
Views: 883
Posted By fbh-velocity

Re: oil and water temps

Exactly what happened for me few years ago! You can clean the oil cooler with compressed air. You will be amazing how much **** you will find. Including impeller shreds as Synac says. Another...
Showing results 26 to 50 of 103
 
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