big block 454 ski nautique
Printed From: CorrectCraftFan.com
Category: General Correct Craft Discussion
Forum Name: General Discussion
Forum Discription: Anything Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=38591
Printed Date: November-14-2024 at 10:06am
Topic: big block 454 ski nautique
Posted By: connorssons
Subject: big block 454 ski nautique
Date Posted: May-09-2016 at 3:34pm
High all! received a call last night from a lady in Ohio that has a 1988 big block 454 Chevy ski nautiqueis it true that they had two versions of the big block in these boats one Higher horsepower than the otherand I also heard that one is right rotation in the other is left rotation posting Big Blocks is that trueplease let me know what you think the value might be in this boat it looks pretty clean has a crack on the top deck in the back corner by the rear seat which I think it's comon on those it's also has a wake tower put on it 
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Replies:
Posted By: Air206
Date Posted: May-09-2016 at 3:43pm
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We need Tim.... I thought they are all 330 HP RR from 86 on? ------------- https://tinyurl.com/y6t5e3bu" rel="nofollow - 04 Air206 http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot 78 SkiTiq |
Posted By: Hollywood
Date Posted: May-09-2016 at 3:48pm
| I have not heard of any 454 HOs after 1986. There is always a possibility but the chances of an uninformed owner is far greater... |
Posted By: connorssons
Date Posted: May-09-2016 at 5:24pm
| that's wear I head it hollywood, a friend has an 86 ho model but he didn't know of the 87 and up models are they worth more then the 351 models any ideas ??? |
Posted By: Air206
Date Posted: May-09-2016 at 5:24pm
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Look in the reference section under Engine Manuals. In the PCM Manual, you will find information on engine tag numbers. Have the owner snap a pic and you'll know what they've got.... but like has been said, odds are it is a RR (330 HP) K or S, (not N) model. ------------- https://tinyurl.com/y6t5e3bu" rel="nofollow - 04 Air206 http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot 78 SkiTiq |
Posted By: phatsat67
Date Posted: May-09-2016 at 5:44pm
| Yeah, I've only ever actually confirmed one real HO motor which resides in an 86 with its original owner in Michigan. |
Posted By: TRBenj
Date Posted: May-09-2016 at 5:46pm
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Most likely a RH 330hp (or at least it would have been originally) but anything is possible. 425 HO's featured roller cams, rectangle heads, dual feed 800cfm Holleys (presumably mech secondary?) and were LH only. Details on these engines are scarce, all of what I know was learned second hand from Tom (Gottaski) and Craig Warner (of NECC). I understand they were mostly dealer installs. Only a few have popped up in the last few years, it's anyone's guess as to how many were originally made. Rare birds indeed. |
Posted By: connorssons
Date Posted: May-10-2016 at 1:27am
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one confirmed as the one in Michigan belongs to a friend of mine owning Buck's crane service in Battle Creek Original owner 86 454 ski nautique ho! this boat is like it still should be on the showroom floor, so any idea on price |
Posted By: connorssons
Date Posted: May-10-2016 at 1:30am
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for the boat mentioned before not the Ho powered |
Posted By: KRoundy
Date Posted: May-10-2016 at 2:23am
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Look for '86 boats in the For Sale section. The CCF site automatically shows you the average asking price, the maximum, minimum, and where the boat you clicked on sits. I just found a 1986 and the range is $3,000 to $16,000 and the average is $8,845. That's a good starting point. For boats this old NADA and such are not worth much. A boat of this vintage is "worth" what one person is willing to sell it for and some other person is willing to pay. ------------- Previous: 1993 Electric Blue/Charcoal Ski Nautique Current: 2016 Ski Nautique 200 Open Bow |
Posted By: phatsat67
Date Posted: May-10-2016 at 11:00am
| Yup that's Buck. I'm pretty sure he said it's about a 54 mph boat. |
Posted By: Gary S
Date Posted: May-10-2016 at 11:23am
It depends,is it for your museum or are you looking for a boat to actually use?  You have a year to get ready to make it to an official Green Lake reunion-------- ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
connorssons wrote:Posted By: connorssons
Date Posted: May-10-2016 at 12:39pm
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Posted By: Gary S
Date Posted: May-10-2016 at 1:03pm
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Yea I'm just kidding you. I for one though would like to see the Seperator show up some time and I know others would too. ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
Posted By: connorssons
Date Posted: May-10-2016 at 5:53pm
| [QUOTE=Gary S] Yea I'm just kidding you. I for one though would like to see the Seperator show up some time and I know others would too.[/QUO ill get one there soon, promise! |
Posted By: 75 Tique
Date Posted: May-10-2016 at 6:02pm
Guess it could be given the variables to be considered. "Owner said...." always has to be taken with a grain of salt. I've only run across one BBC SN and it was good for 50.4, I believe it was. (I know because my 50.7 Tique beat it in a challenge at a 2007 gathering. ------------- _____________ “So, how was your weekend?” “Well, let me see…sun burn, stiff neck, screwed up back, assorted aches and pains….yup, my weekend was great, thanks for asking.” |
Posted By: JoeinNY
Date Posted: May-10-2016 at 6:10pm
It is a believable number In my experience I have found optimally propped with a ski boat prop 45 is about right for 240 hp 47-48 is about right for a 290 ish hp 50ish is about right for 330 hp with a 2001 54ish is about right for 425 hp with a 2001 ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1477 - 1983 Ski Nautique 2001 1967 Mustang 302 "Decoy" http://www.youtube.com/watch?v=cO5MkcBXBBs - Holeshot Video |
Posted By: phatsat67
Date Posted: May-10-2016 at 6:49pm
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Seems right on the money. Buck said it has a nice lean when you're in it by yourself but it's fine with a passenger to the side. Too bad they were dealer installed. They could have changed the hull hook to compensate some for the LH HO motor. A real treat would be to swap In a new 1.23 and change props. |
Posted By: TRBenj
Date Posted: May-10-2016 at 7:33pm
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And shaft and strut... Agree with joe on the numbers, that's what I've seen as well. At least an early (pre-87) 2001. |
Posted By: ultrahots
Date Posted: May-11-2016 at 2:24am
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Agreed on speed with above. I have a Stock 330HP 80 That runs 53.7 with an aftermarket prop. Would love to see an actual 425 HP that is original. ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=6960&sort=&pagenum=2&yrstart=1986&yrend=1990" rel="nofollow - 1980 Show Nautique |
Posted By: phatsat67
Date Posted: May-11-2016 at 11:03am
Yeah, 1" with ho big block and a 1.23 would probably do the twist. |
Posted By: Gary S
Date Posted: May-11-2016 at 11:29am
Is that because of the 1.23 trans? I remember when Reid dropped that big motor in his Shamrock,the PCM guys said he'd be fine but a bunch of guys on the Shamrock site told him he'd twist the shaft with that combo. As far as I know he never did. ------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS 95 Nautique Super Sport |
Posted By: phatsat67
Date Posted: May-11-2016 at 11:51am
| Well, Joe twists the 1" with the small block given his makes insane power but factor in big block torque multiplied by the 1.23 and there we go. |
Posted By: TRBenj
Date Posted: May-11-2016 at 11:53am
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Reduction transmissions are torque multipliers. That's why 1.5:1 v-drives use 1-1/8" shafts. Small block 1.23 direct drives had 1" shafts from cc (6.0L included) and are low enough output not to twist shafts. Python direct drives got 1-1/8" due to the extra torque of the big block. HO 454 would need the larger shaft for the same reason. Joe has found the limit of the 1" with his 408w/1.23. Zach, joes motor may be built on a small block but it has more displacement than many big blocks... Cubes = torque and torque = twist. |
Posted By: phatsat67
Date Posted: May-11-2016 at 12:05pm
| = smiles |