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Search: Posts Made By: daqcraig
Showing results 1 to 13 of 13
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Forum: Prop Talk
03-08-2007, 09:21 PM
Replies: 7
Views: 5,245
Posted By daqcraig

The 23 P props with the 7.4 MPI Wot Rpm was 4300....

The 23 P props with the 7.4 MPI Wot Rpm was 4300. I didn't see what difference that made since I am installing new 496 mag Ho motors with new Bravo 1 X drives. The engines will also have stainless...
Forum: Prop Talk
03-06-2007, 11:37 AM
Replies: 7
Views: 5,245
Posted By daqcraig

Props for Baja 342 with 496 Mag HO??

I am in the process of repowering my 342 Baja. It had twin 7.4 L MPIs 310 HP with 3B 23 Pitch props.

I am going to twin 496 mag HOs with 425 HP and stainless headers. New motors and new X drives...
Forum: General Q & A
03-04-2007, 11:32 PM
Replies: 14
Views: 5,613
Posted By daqcraig

Blue motors

Good Question.
Forum: General Q & A
03-04-2007, 05:21 PM
Replies: 3
Views: 720
Posted By daqcraig

Bravo One

I am installing Bravo One X in my 342 Baja. I will have Two Bravo Ones Drives only, available in a few days. 230 hours on them. I would sell them cheap to you. Let me know if I can help you out. ...
Forum: General Q & A
03-04-2007, 01:47 PM
Replies: 14
Views: 5,613
Posted By daqcraig

I am doing my research....

Sorry you seem frustrated with my questions. Problem is I have three boats already. One is a huge yacht, Carver. I have modified a Waverunner with more money than the thing costs in the first...
Forum: General Q & A
03-04-2007, 11:36 AM
Replies: 14
Views: 5,613
Posted By daqcraig

raylar

I am having new engines installed so naturally I would be apprehensive about voiding the warranty. I am concerned about the durability of the engine (going from 425 HP to 525 HP) since I would be...
Forum: General Q & A
03-03-2007, 10:37 AM
Replies: 14
Views: 5,050
Posted By daqcraig

prop

the 7.4 L MPI WOT is rated 4200-4600. The 496 mag HO is WOT 4600-5000. So really, I would think I would need to move up at least 3 inches anyway.
Forum: General Q & A
03-03-2007, 10:11 AM
Replies: 14
Views: 5,613
Posted By daqcraig

Raylar???

I was reading a thread in the General Discussion from 2004/2005 about Raylar.

Since that time, what has transpired with the kits for the 496 Mag HO?

I am repowering my 342 Baja with new 496...
Forum: General Q & A
03-03-2007, 10:05 AM
Replies: 14
Views: 5,050
Posted By daqcraig

Rpm

The 7.4L MPIs were turning about 4300 WOT and producing only about 305 HP.

The 496 mag HO produces 425 at the prop. WOT is close to 5000 RPM. Big difference in engines
Forum: General Q & A
03-03-2007, 07:18 AM
Replies: 14
Views: 5,050
Posted By daqcraig

What prop size?

I have 3b 23P props on my 342 baja. It is powered with twin 7.4 L MPI and Bravo Ones.

I am repowering with new 496 Mag HOs and Bravo one Xs. I am thinking moving to 28P props. Would that be...
Forum: General Q & A
03-01-2007, 09:56 PM
Replies: 1
Views: 1,624
Posted By daqcraig

Two questions about Baja 342 engine and drives

One week ago I purchased a 98 model 342 baja with 7.4 L MPI. They are nots mags. 330 hp only.

Drives are
Bravo one 1.50 ratio. The drives also have an "F" after the ratio. Serial numbers are...
Forum: General Q & A
02-28-2007, 11:50 AM
Replies: 9
Views: 5,059
Posted By daqcraig

Compression ratio

These are Mercruiser 7.4 L MPI Gen VI. Compression is listed as 8:1.

Does that change your opinion about the pistons and valves?

They say this motor will take on 5 PSI boost with no...
Forum: General Q & A
02-28-2007, 08:48 AM
Replies: 9
Views: 5,059
Posted By daqcraig

Prochargers and blown head gaskets?

I have a 98 Baja 342 with twin 7.4L MPIs. Hours are 220. This boat will go 58mph at about 4200 RPM with 3 blade 23 pitch mirages.

I am told these motors are relatively low compression and good...
Showing results 1 to 13 of 13


 
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