[Question] Olds vs Chevy
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Olds vs Chevy

  1. #1
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    Default Olds vs Chevy

    Hey Folks wanted to Wish everybody a very great Holiday Season and ask an opinion question. I have been searching for a Jet boat and my main Preference is that it has a BBC because that is what i am familiar with and I know performance parts almost grow on trees and are reasonably priced. The other part that has been a GIVEN for me is that my new boat has a Berkely pump on it, ok all Good. Well I have potentially found a boat, the boat is a 19 ft Sanger hull with a Berkely pump but its got a 455 OLDS bored .30 over, its setup with a fairly healthy Roller in it with dual 650 CFM Holleys on a Hi-Rise the present owner is claiming 600 HP Depending on the heads and the specs on the cam that is believable. If all goes as planned I think this setup could serve me pretty well for a year or two. When the time comes that I want to go through the motor and do some of my own mods to it like, a few for instances, Bigger Roller Cam, different intake setup, maybe a single carb setup or how about forced induction? I know all this is 100% out there again almost growing in the trees for a BBC, how does this apply to an OLDS motor? Chevy performance parts equal plentiful and inexpensive. FORD performance parts = harder to find less selection and MORE expensive, same with MOPAR, Where does OLDS fit into this guys? I really dont want to buy myself into a corner with no future options?
    Thanks much for your thought on this guys, and all thoughts appreciated!!!

    Karl

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  3. #2
    Senior Member port austin pirate's Avatar
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    Quote Originally Posted by KarlKostman View Post
    Hey Folks wanted to Wish everybody a very great Holiday Season and ask an opinion question. I have been searching for a Jet boat and my main Preference is that it has a BBC because that is what i am familiar with and I know performance parts almost grow on trees and are reasonably priced. The other part that has been a GIVEN for me is that my new boat has a Berkely pump on it, ok all Good. Well I have potentially found a boat, the boat is a 19 ft Sanger hull with a Berkely pump but its got a 455 OLDS bored .30 over, its setup with a fairly healthy Roller in it with dual 650 CFM Holleys on a Hi-Rise the present owner is claiming 600 HP Depending on the heads and the specs on the cam that is believable. If all goes as planned I think this setup could serve me pretty well for a year or two. When the time comes that I want to go through the motor and do some of my own mods to it like, a few for instances, Bigger Roller Cam, different intake setup, maybe a single carb setup or how about forced induction? I know all this is 100% out there again almost growing in the trees for a BBC, how does this apply to an OLDS motor? Chevy performance parts equal plentiful and inexpensive. FORD performance parts = harder to find less selection and MORE expensive, same with MOPAR, Where does OLDS fit into this guys? I really dont want to buy myself into a corner with no future options?
    Thanks much for your thought on this guys, and all thoughts appreciated!!!

    Karl
    From what I understand Olds lower is alittle weak, parts harder to find more expensive, and not the best platform if you want to make serious h.p. , But Iam sure their are more familiar folks on here that can give better info,Sounds like a nice ride injoy

  4. #3
    Senior Member hihosilver's Avatar
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    after 3 rebuilds years ago I took out olds and put in a bbc, and in 70's and 80's there was more olds out there but still not cheap, bottom ends are hard to keep together over 5000 rpm

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  6. #4
    Some guy obnoxious001's Avatar
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    Quote Originally Posted by KarlKostman View Post
    Hey Folks wanted to Wish everybody a very great Holiday Season and ask an opinion question. I have been searching for a Jet boat and my main Preference is that it has a BBC because that is what i am familiar with and I know performance parts almost grow on trees and are reasonably priced. The other part that has been a GIVEN for me is that my new boat has a Berkely pump on it, ok all Good. Well I have potentially found a boat, the boat is a 19 ft Sanger hull with a Berkely pump but its got a 455 OLDS bored .30 over, its setup with a fairly healthy Roller in it with dual 650 CFM Holleys on a Hi-Rise the present owner is claiming 600 HP Depending on the heads and the specs on the cam that is believable. If all goes as planned I think this setup could serve me pretty well for a year or two. When the time comes that I want to go through the motor and do some of my own mods to it like, a few for instances, Bigger Roller Cam, different intake setup, maybe a single carb setup or how about forced induction? I know all this is 100% out there again almost growing in the trees for a BBC, how does this apply to an OLDS motor? Chevy performance parts equal plentiful and inexpensive. FORD performance parts = harder to find less selection and MORE expensive, same with MOPAR, Where does OLDS fit into this guys? I really dont want to buy myself into a corner with no future options?
    Thanks much for your thought on this guys, and all thoughts appreciated!!!

    Karl
    What the others are saying is correct. My opinion is pass on the boat with the Olds, particularly if you want a "performance" engine. Also important is you don't know who put that one together, and what condition it's in. Much better bet to pass on that one and buy one set up for Chevy already.

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    Default BBC vs Olds

    Thanks guys for your information and you all confirmed everything I was already feeling, I would love to buy this boat but like what you folks confirmed I would very likely be buying myself into a corner! Thanks very much guys for your perspective on this subject and I will be waiting for the Right boat to buy!

    Have a really great Holiday Season!
    Karl

  8. #6
    Senior Member hihosilver's Avatar
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    if you like the boat it can be changed to bbc

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    Senior Member ol guy's Avatar
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    My opinion but before you condemn the boat (if you like it) Google Joe Mondello race engines and get a perspective on the olds motor. I agree bbc parts fall of the trees and are cheaper? I built a 455 olds for a customer awhile back and Joe recommended his oiling kit (WORKED WELL ) and the boat ran very strong and no oiling issues what-so-ever well over 6500 rpm. So just an option. Not to mention you get the option of hearing from someone else " I just got my ass handed to me by a F%^* Olds.
    Last edited by ol guy; 12-20-2017 at 06:36 PM.

  10. #8
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    Default 2 Oldsmobiles

    I have 2 boats with 455s in them... One is a 74 Tahiti jet, and the other is a 1968 Hydroflite. The Tahiti with wet logs runs nice and quiet in the 45 -55 MPH range and holds steady oil pressure with an aftermarket 12 qt pan, hyd lifters and a single 600 (I think) Holley vac secondary carb...
    The Hydroflite also has an Olds 455 with a more aggressive cam and 2 AFBs on a low rise intake with 2" spacers. This boat was GPS'd at Red Rock in 03 @ 78.5 MPH with 9s in the Aeromarine v drive.
    I expect both of these engines to out live me and remain "turn key"...
    If an Olds is built right they will run forever...
    Ray
    PS If you are seriously considering this boat ask the seller to put it on the water and wring it's neck... If there is some lame excuse he can't do that, grab your wallet and run away....
    LOUD BOATS SAVE LIVES

  11. #9
    Senior Member Bill Oxidean's Avatar
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    Quote Originally Posted by Moneypit View Post
    I have 2 boats with 455s in them... One is a 74 Tahiti jet, and the other is a 1968 Hydroflite. The Tahiti with wet logs runs nice and quiet in the 45 -55 MPH range and holds steady oil pressure with an aftermarket 12 qt pan, hyd lifters and a single 600 (I think) Holley vac secondary carb...
    The Hydroflite also has an Olds 455 with a more aggressive cam and 2 AFBs on a low rise intake with 2" spacers. This boat was GPS'd at Red Rock in 03 @ 78.5 MPH with 9s in the Aeromarine v drive.
    I expect both of these engines to out live me and remain "turn key"...
    If an Olds is built right they will run forever...
    Ray
    PS If you are seriously considering this boat ask the seller to put it on the water and wring it's neck... If there is some lame excuse he can't do that, grab your wallet and run away....
    This is Great advice that I should take..
    I dont want a boat that isnt sound enough to get in its ass from day 1

  12. #10
    Senior Member Spike Morelli's Avatar
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    Quote Originally Posted by ol guy View Post
    My opinion but before you condemn the boat (if you like it) Google Joe Mondello race engines and get a perspective on the olds motor. I agree bbc parts fall of the trees and are cheaper? I built a 455 olds for a customer awhile back and Joe recommended his oiling kit (WORKED WELL ) and the boat ran very strong and no oiling issues what-so-ever well over 6500 rpm. So just an option. Not to mention you get the option of hearing from someone else " I just got my ass handed to me by a F%^* Olds.
    I can concur completely with this post. While Chevrolets are plentiful and inexpensive, and generally not problematic, the Olds can be a great platform too...it's just that so many Olds owners haven't realized what ( the late ) Joe Mondello figured out a long time ago, that the Olds requires a few common sense refinements to satisfy high-performance useage. Way back in '68, my Dad bought a drag hydro , removed the racing Hemi, and put a 425 Olds in it's place to go skiing with. We leaned on it heavily, resulting in two seized engines. Friend of the family, Joe Mondello, told my Dad to " stop screwing around and give me that Olds" to rebuild. After Mondello did his thing , the Olds reved all day to 6500 without any problems for many years, right up to the day I sold it complete and running, to restore the hydro back to it's drag race lineage with the Hemi. I build engines today, and swear by Mondello's mods. Funny how when a Chevrolet owner hurts an engine, they don't blame the engine, like some people do about Oldsmobiles. Crank kits, aftermarket rods, aluminum cylinder heads, etc, are more available than ever before for the big Olds......and you have something cool and different.
    Click image for larger version. 

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    Last edited by Spike Morelli; 02-10-2018 at 04:49 PM.

  13. #11
    Senior Member stc315's Avatar
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    Quote Originally Posted by Spike Morelli View Post
    I can concur completely with this post. While Chevrolets are plentiful and inexpensive, and generally not problematic, the Olds can be a great platform too...it's just that so many Olds owners haven't realized what ( the late ) Joe Mondello figured out a long time ago, that the Olds requires a few common sense refinements to satisfy high-performance useage. Way back in '68, my Dad bought a drag hydro , removed the racing Hemi, and put a 425 Olds in it's place to go skiing with. We leaned on it heavily, resulting in two seized engines. Friend of the family, Joe Mondello, told my Dad to " stop screwing around and give me that Olds" to rebuild. After Mondello did his thing , the Olds reved all day to 6500 without any problems for many years, right up to the day I sold it complete and running, to restore the hydro back to it's drag race lineage with the Hemi. I build engines today, and swear by Mondello's mods. Funny how when a Chevrolet owner hurts an engine, they don't blame the engine, like some people do about Oldsmobiles. Crank kits, aftermarket rods, aluminum cylinder heads, etc, are more available than ever before for the big Olds......and you have something cool and different. Click image for larger version. 

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    There is also a company out there making a new Olds block that fixes all of the Olds weakness and oiiling issues.Ps. It's made by Rocket Racing.
    Last edited by stc315; 02-12-2018 at 07:54 PM.
    Too much horsepower is almost enough!!!


    My boat is fast.....on Craiglist or EBay.


    I've been 340mph+ with a boat........In the back of a C130!

  14. #12
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    Default Not "brand" specific..

    Quote Originally Posted by Bill Oxidean View Post
    This is Great advice that I should take..
    I dont want a boat that isnt sound enough to get in its ass from day 1
    My advice was not brand specific, it would apply to any boat, with any power, being sold as a running piece. While it doesn't apply to certain boats being sold as a "project" for .30 cents on the dollar, it does apply to Chevys as well as Fords, and even the rare Mopar powered vessels... I did not mean to single out the time tested Olds engines of various sizes... I can remember when most A/GS ( A Gas Supercharged) coupes were powered by the old 425s stroked into outrageous cu in numbers... The proof is in the pudding, when built right, just about any engine brand or size will usually give you years of boating fun... Just remember, "Speed costs money, how fast do you want to go?"..
    Ray
    LOUD BOATS SAVE LIVES

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