Mudball

SearayJim, I didn't know that was your engine over at FTM! It was amazing to see how a cast piston can disintegrate!

Full Throttle Marine is in Spicewood, Texas, just west of Austin on highway 71.

I highly recommend these guys to anyone. They know high performance marine. They are building SearayJim's new 540, too. The parts I saw for it are a thing of beauty!
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Yes, we have had major flooding too. They were just able to open the floodgates a couple of days ago at Mansfield. It will be several days before I can get to my dock again. It got so high that one of my anchor cables snapped, and the other one was super tight. It held though, thank God...

Yup, and the 2001 HP500 would be NICE!!
Just beware of the number of hours on these engines. While the bottom end is bulletproof, the cams are so hot in these that the valve springs go soft after 200-250 hours or so. The later EFI versions are supposed to be much better (won't likely break springs), but they still can go soft...

Take care,
Kent

Mudball

WOW!! I just read where you have a 525SC in a 21 Scarab, cdScarab!!!!!!!
Incredible!!

This board is fun!
Major power in small boats!!!

Kent

cstraub69@comcast

Jig and David,
You are both prime for stroker kits. Take your existing engine, change the crank rods and pistons in the block with new stuff and boring the block to 4.310" will yeild 496 CID. The engine with the .250"more stroke will give you huge increase in torque which is what moves the prop, HP sells engines and is only a calculated number where torque is measured. I would think for around $3500 you could put a nice package together.

Chris

Jigsaw89

cstraub69,
Where should I be looking to purchase or piece together a stroker kit as you described? Should I use the stock heads, but get them cleaned up and ported or other? I'm new to this and appreciate any assistance you can lend me.
Thanks!
Dan

Revd Up

CDSCARAB,
What are you running for speed with that 525? Hows she handle?

gLaSs HaLf FuLl

Dave & JIG .....I'm new on the forum here, and I'm really just a gear
head who's had a few boats and heard lots of stories : ). But, I've been
where you are at , and the moral of my story is you get what you pay for.
Cost VS. reliablility. Mercuiser or any reputable builder, builds the entire
engine top and bottom to withstand the level of hp/touque is was designed
for. In my opinion your best bet for a reliable headache free deal, is to go with
used or reman mercruiser longblock or complete engine with factory specs. Rather
than a cam here, heads there....etc. It may be more expensive at first but in the long run it pays off. Good luck to you.

bobl

David Haag, give me a call and let's chat. I can probably get you sorted out. One option that I will have available this spring might be of interest. I am ordering a new boat for a customer. I am building a custom engine for it, but we will order it with an engine that will still be in the crate from Mercury. I can order it with any engine if someone wanted to chose. We'll sell the engine for what it costs us(very reasonable). A new 496 Mag HO might work really well in your boat. Can't beat the reliability. If you're(or anyone) interested I can work up a price. 830 6935591

Bob Lloyd

David Haag

Bob, I will call you tommorrow. You are an 830 prefix, where do you live? I am 830 as well here on lake mcqueeney. Whatever you suggest I am ready. We can discuss it tommorrow. Thanks for the response. Dave Haag

David Haag

Bob, I will bring my boat to you since you are real close. This sounds like its gonna work out perfect. Dave Haag

Mudball

David, Bobl is Full Throttle Marine in Spicewood!!

Howdy Bob!!