1996 Stepped 35 screw in or out
 

I have a 96 35 foot with M4 Procharged 540's XR drives turning 34 bravo ones screwing out, the current power has been in the boat for about 10 years and I have it apart for repairs the two major issues are, the boat gets a lot of tail lift at WOT runs high 110-120 depending on conditions about the only thing in the water is the props, second and worse problem it spreads the drives pushing them outward and eventually it breaks the transom assembly and breaks the guide off drive housing, I have it apart now installing new HP transom assemblies and I was wondering any experience first hand on screwing them in versus out.

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IN is what most run, R3 has always stated IN as well.

I remember when I did Dan Jones 42 (Prochargers Boat) I screwed them in but that was a long time ago and I haven't done this for a living for a long time and cant really remember the different characteristics this 35 I have put various combinations in it since it was a year old but have always ran it out.

it to win!!! That is what I've always heard. Has proven true in my case.

Maybe consider dual tie bars and look for worn steering parts as well.

UMM you were running standard Bravo transom assemblies for 10 years while making enough power to run nearly 120 in a single step 35 fountain??? AND standard Bravo lowers??? I have a VERY hard time believing this? What is the sorcery behind getting this boat to 120 with B1's????

I was thinking it.....and you said it. :party-smiley-004:

This will be the third transom assemblies and 3 XR drives to date, and probably 6-7 regular bravos. In August of 2000 I did a similar set up that was on the Cover of Hot Boat Magazine on mild 502 bottom ends with M4 Prochargers in ATI's (Prochargers) 42 Fountain I used Stuart Van Dynes Dyno for a independent result and made just over 1000HP. That 42 ran 109 for the test with Wilks driving, we had had it faster but just the way the numbers ran that day. On this 35 the engines are a bit wilder 540's JE pistons Gapless rings H beam Rods Solid Roller cams Edelbrock heads using Edelbrock tunnel rams and dual carbs and M4 head unit (if you ever run across a M4 set up on a tunnel ram its from my shop) We had a similar set up funning in my friend Steve's (Founder of HTM) personal HTM SS that ran 153 and my HTM with a 614ci M4 (BMax) running 160's My name is Jeff Clark I owned Clarks Performance Marine in Havasu hence username CPM there were plenty of articles in Hot Boat of the things we were doing in the late 90's early 2000's

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My non-step 35 with b1's would last just hours before the gears would break running in the low 90's

This is the 35 when I was putting the 540's in years ago, not so clean now but will get a polishing when I'm done.

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This 35 when it had M-1 Procharged 509's in the 88-93 range would go through regular Bravos, I did put XR's on it with the 509's and never had a problem

Dude... I was around procharger in the days of the fountain. I saw the literal racks full of broken B1s and how many times the power was changed in that boat. It was a pile, I definitely don't remember it running over 100, for some reason 93 is the number that hits me?, anyway it never ran more than a few hours and Dan absolutely hated it because of it. I was one of Dorian's best friends, thanks for that old pic BTW..
And a 160mph HTM??
DUDE... please, please tell me it was a bravo boat as well.. I gotta hear this!

What I believe you have are motors that have exceeded the power limits of the b1 and xr drive and you should be looking into a different drive set-up and this is only my opinion

I mean 160mph HTM!!!?
FYI, Shyla Styles calls me occasionally and pays me $10k to bang her...

I knew Dorian quite well, and yes that 42 ate regular Bravos that day we tested the 42 it ran 109 best in Havasu, when Kromer left they really in my opinion had nobody qualified there in Marine or to work on that boat, and no read post my HTM had Bmax and it would crush the upper bearing about one a month we had to replaced them, the HTM when Steve was killed was in the 150's with XR's I honestly believe to this day a drive broke whey the boat crashed.

Dorian Dan and Kromer were regulars at my place they would forward the tech line to my shop for marine I worked real close with Kromer on developing the Marine kits it was a bummer when they pulled any further marine development. If Dorian ever told you a story about The Donzi and Police or the 26 year old virgin or racing the Procharger dually in CA that was me.
This is the Very first HP500 kit ran 112 in the carbon HTM on Right same boat that ran 150's with Bravos many publications on that

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this is my 614 second build

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1720HP with 18lbs

So your that kind, seems most that have never built or owned a fast boat are speculatory but when you do it every day for 15 years its a common occurrence.

If you do some research on line we took some HTM's loaded and ran 123 in the 1/4 mile for a promo on stern drive drags at Firebird Raceway in Phoenix

I just know what it takes to achieve those speeds, and the technology wasn't there when you claim to have done this. It takes huge power, superb rigging, and much more hull efficiency than any of the boats you are talking about. Not to mention the props and gears required to go those speeds simply weren't available back then, especially in bravos!

Yes they were and were done, I did it have 28 various magazine articles on doing it. I'm sure the Firebird stunt can be found on line 123 was amazing for that in a 1/4 and there are even posts on here about the speeds we were running I was just reading one on Steves accident but one reason I'm out of it all of my friends are dead. I made it out and its just a hobby I still own a manufacturing company and supply to KE Hardin and CP. The 150 Bravo boat was for sale and is still around I thought abut buying it last year for keep sake but decided to pass.

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This is the 150 Carbon boat Steve and one of my guys changing it before a test

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This is heading out for a test run Ken sticking his head up in the other HTM was also killed in the crash

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This is how the kit looks on a Tunnel Ram most do not know it but it was actually designed for that intake when you get the kit it has a adaptor that bolts to the lower box to fit a Offy dual quad intake, but the bolt pattern on the box is actually the 8 bolt top plate pattern on the Edelbrock Tunnel Ram, I would see a very noticeable amount of power gain with the tunnel ram versus the Offy intake

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Looks like the 150 Carbon boat is back up, he is claiming 143 in the 1/4 that's a stretch from my memory but it is what it is believe it or not.

http://www.powerboatlistings.com/view/20335

I would not use the Merc Gimbal ring. We have had the same issue with the rings spreading apart. The cure for it is a stainless ring from Max Worx. Don't go to much faster with that hull they get very unstable at 130.

That's funny, considering most people call these a 31 foot hull, what 31-33 V hull is stable after 130! Wild what is possiable, when that was originally designed 70 was fast.

Lol

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Pics of a 540 M4 engine I used to own in a 28 Checkmate.

Yes, tunnel ram setup made some big power and torque. Popping an XR with that boat was as simple as using the available torque.

Great motor that needed to be mated to a greater drive.

Those commenting about single step 35's not handling well at 130; are you talking from experience ? Please elaborate.

My boss had built the boat for a customer. PSI blowers 1500 a side. He said they played with the setup and couldn't get it to work over 130. The boat was put together years ago. With the parts we have available today could it work? Probably, just takes money...

With the "35" Fountain parked next to my 35 Cigarette the Cig dwarfs the Fountain

Wow!

Has this thread wandered from the question posed here. FOUNTAIN turned them IN for a reason when they shipped the boats from the factory. Lots of testing and just general focking around to get these boats to run their best. Just turn the props IN, learn to deal with the dock O'mite chit. The boat will run it's best if you simply put some faith in th man that designed and built it . Sometimes it is just that simple.

To you and yours and your little chit comment. Bring your big fat azz turd on any day. Show me the results of that turd's results in the real world.

drunk or just socially challenged chit.... but to be honest I have not one single clue to what your in reference of am I bringing HTM Fountain Cigarette or Bayliner for your entertainment? Bayliner is usually the most entertaining good times there....

Your correct on that statement on the question, but for some reason when you state a fact of what your dealing with you get challenged on the build, I have many articles on the things I have built and done and still to this day you get speculation, this boat came new screwing OUT not IN, I have never changed the direction just drives engines and transoms a few times, I have decided to just double tie bar it and run it again I purchased two new HP transoms and still looking for a XR FB upper case.

I like screwing in.....and out. :party-smiley-004 :

So much anger.....

Got it torn down this weekend, Fountain is tight been 10 years since I was this deep into this boat forgot what a pain it was... Ill spend the next two weeks fixing it then I need to get my Cig apart for a major redo...

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