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Today, 01:55 PM

Unchained replied to a thread Prop shafts in V-Drives

I just got a new one from Tom Bentley. 1 1/8" Aquamet I have my old one that I will sell. Crack checked many times and never had a problem. ...

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8 replies | 269 view(s)
05-13-2013, 04:38 PM

sleekcrafter replied to a thread Umpba 2013 omaha drags & boat show in Races and Boating Events

The season is upon us, get them ready boys.... :)violent44

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1 replies | 333 view(s)
05-13-2013, 04:36 PM

sleekcrafter started a thread 6th annual Three Lakes shootout june 21 & 22 in Races and Boating Events

6th Annual Three Lakes Shootout: June 21st & 22nd Bigger 'n Better Than Ever!! Yes it's true...... Even though we still have 2 feet of ice, we...

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0 replies | 88 view(s)
05-13-2013, 04:10 PM

sleekcrafter replied to a thread chopping up a tahiti and making it different in Paint and Fiberglass Repair

Looks good Flattie! I can say for sure, you sure make the winter enjoyable....

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7 replies | 315 view(s)
05-12-2013, 02:56 PM

Unchained replied to a thread 75mm garret turbo perfect for single sbc in Parts for Sale

Is it a GT series or a TV series turbo ?

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13 replies | 607 view(s)
05-12-2013, 02:53 PM

Unchained replied to a thread Wamplers - May 18th in Michigan Hot Boats

X2

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36 replies | 1292 view(s)
05-12-2013, 11:54 AM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

Well if nitro is to be considered viable for A/F ratio discussion on this site then lets also talk about hydrogen peroxide, liquid hydrogen,...

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94 replies | 2002 view(s)
05-12-2013, 11:43 AM

Unchained replied to a thread help tuninig for e-85 in On the Dyno

I agree that pump should be plenty but there should be very little to no drop in fuel pressure. There are so many variables other than the pump. ...

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18 replies | 528 view(s)
05-12-2013, 04:21 AM

Unchained replied to a thread help tuninig for e-85 in On the Dyno

I thought you were having a problem maintaining fuel pressure ?

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18 replies | 528 view(s)
05-11-2013, 08:26 PM

sleekcrafter replied to a thread Hot starter problems in Jet Boats

Your likely dealing with reversion or water entry past the risers while the engines off. This is a symptom of hydro locking, a bigger starter will...

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13 replies | 426 view(s)
05-11-2013, 01:53 PM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

Like I stated it was from the "5000 HP on Methanol " book. I Learned stuff that I never heard anyone on this site talk about before. Who on...

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94 replies | 2002 view(s)
05-11-2013, 06:21 AM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

They are not only dumping in more fuel but vaporizing less fuel also. I've seen this on a local Stealth jet dragboat. 14-71 blower, birdcatcher on...

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94 replies | 2002 view(s)
05-11-2013, 04:39 AM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

That is incorrect. This is one of the important things I learned from the 5000 hp on methanol book. When you cool the mixture down too much less...

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94 replies | 2002 view(s)
05-10-2013, 12:53 PM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

I'd be glad to match an EFI tune against a MFI tune. We went through this before too. I produced turbo and centrifugal EFI methanol dyno results...

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94 replies | 2002 view(s)
05-10-2013, 12:45 PM

Unchained replied to a thread My Twin Turbo 605" TPR Stealth in Jet Boats

The assembly looks great Eric. Now is the point where you need to take the time to datalog and review your tune carefully. Also be absolutely...

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27 replies | 2165 view(s)
05-10-2013, 05:11 AM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

Yes and for $ 350. I don't understand why everyone doesnt have a wideband O2 sensor. It is the MAIN tuning tool. Having it connected to an ECU...

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94 replies | 2002 view(s)
05-09-2013, 04:03 AM

Unchained replied to a thread Will AV gas cause the O2 in On the Dyno

Back when I ran leaded race gas I also used an Innovate wideband O2 sensor setup. It worked good and the O2 sensor would last about 1 season of...

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94 replies | 2002 view(s)
05-06-2013, 02:27 PM

Unchained replied to a thread Tom Bently contact info in V-Drives

Some positive feedback for Tom. I sent the three blade prop that I bought new from Tom 5 years ago back in for inspection and a tune up. It was...

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5 replies | 331 view(s)
05-06-2013, 04:04 AM

Unchained replied to a thread Learning about blown alcohol in On the Dyno

I havent checked EGT in years. It doesnt tell me anything useful. I rely totally on the single wideband O2 sensor running closed loop.

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44 replies | 2296 view(s)
05-02-2013, 07:44 AM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

I don't know how you deduced that but whenever I say white you are always going to say black and vice versa :cool: I'm fine with that. If the...

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118 replies | 5144 view(s)
05-01-2013, 01:46 PM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

That wing fits good between the sponsons and doesnt detract from the lines of the boat. However, if you screwed a 2' x 3' sheet of plywood...

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118 replies | 5144 view(s)
04-30-2013, 07:49 AM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

A west coast setup ? ....... except for the Turbo's, EFI, and COP part maybe. Those items are still years off for the west coasters. :stir:

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118 replies | 5144 view(s)
04-30-2013, 04:55 AM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

I bet the hydro driver DID feel humbled. Consider the two boats, A single purpose big bad blown alky hydro, and a jet boat that could have pulled...

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118 replies | 5144 view(s)
04-30-2013, 04:42 AM

Unchained replied to a thread V drives and no wake zones in V-Drives

This type of thread always turns from, "my boat can't travel slow enough for no wake areas" to, "those damn no wake rules" Same as, "The...

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34 replies | 2602 view(s)
04-29-2013, 04:10 AM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

Here's the video of Dillon taking the win, SDBA Quick Eliminator Finals, April 28th 2013 - YouTube

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118 replies | 5144 view(s)
04-28-2013, 03:09 PM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

Awesome !!!!! :thumb:

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118 replies | 5144 view(s)
04-28-2013, 07:58 AM

Unchained replied to a thread Waco Tx. SDBA race in Jet Boats

And they've just started their 2nd season of racing. Great job :thumb:

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118 replies | 5144 view(s)
04-27-2013, 12:27 PM

Unchained replied to a thread V drives and no wake zones in V-Drives

Well.......that's what a transmission is for

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34 replies | 2602 view(s)
04-25-2013, 03:56 AM

Unchained replied to a thread Lake boat or street car with Roots and Mechanical Fuel Injection??? in On the Dyno

Ya got me there. I enjoy working with EFI even more than turbo's. :thumb: The ability to have a 2000 hp engine start and idle smooth like a...

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71 replies | 2276 view(s)
04-24-2013, 04:31 PM

Unchained replied to a thread Lake boat or street car with Roots and Mechanical Fuel Injection??? in On the Dyno

Post up your A/F or lambda at a steady 900 rpm idle, Then maybe a cruise speed 3500 rpm, Then WOT 7000 rpm on methanol. Here's my target...

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71 replies | 2276 view(s)

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