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Author
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Topic: To Hi-po or not to hi-po
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67 Fastback
Gearhead Posts: 689
From: Beaverton, Oregon
Registered: Aug 99
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posted 08-07-2001 02:39 PM
   
Hi all, I am in the process of looking into a rebuild for my 289. Not having either the time or the space needed to do it myself I started calling around and found a shop that will offer a rebuilt with a 7 year/70k warranty. He said they have some hipo heads available and asked if I was interested. This will add $300 or so to the costs. Overall installed cost will be between 1800 and 2300 depending on options I choose.Question is, what benefits might I get from the hi-po head, is it worth it in your opinion? (kinda wanting it, not sure why...lol) ------------------
Jerry
www.67Fastback.com
"The danger in communication is the illusion that it has been accomplished."
G.B. Shaw
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SteveLaRiviere
Administrator Posts: 42139
From: Saco, Maine
Registered: May 99
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posted 08-07-2001 07:23 PM
They are nice to have. The screw in studs are good to have. You want them for the cool factor!  ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
Ford. The closer you look, the better WE look!
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kcode
Gearhead Posts: 2983
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 08-07-2001 10:43 PM
If the heads are true Hipo heads, with a 19,20,21 cast at the lower left edge where the valve cover flange meets the head, they would be worth $300 just to resell them to a Concours restorer. As far as performance goes, there is not much different if they are stock condition. The screw studs are nice if you plan on pushing your motor to high RPM, this dose allow you some flexibility of adjusting valves. The cast in spring pockets will keep the springs from moving around. But it stops there, chambers and valve size are the same as a stock 289, early. For someone to give you a 7 years warranty on a motor is sounds like it is relatively stock components. If you have the extra bucks, go for it. Mike
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67 Fastback
Gearhead Posts: 689
From: Beaverton, Oregon
Registered: Aug 99
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posted 08-07-2001 11:38 PM
Ty Steve and Mike for input. Steve, yes 'cool' factor . But am not at this time planning other than a mild build. Hence, no real benefit other than cool? Mike, they offered many components added to the build beyond stock and still offer 7/70. Called around and seems they are trustworthy. I asked about specific list of components, and to mail them to me with copy of guarantee. So, what I am concluding here, if I read answers right, is that screw in studs are good options, but only if I plan on building it a bit more, and cool factor? Also valve sizes and chamber sizes are same as early stock 289 heads? I fail to see the draw, if I concluded correctly for the Hi-po heads. Cool factor... is cool.. but.. rather spend in other direction if no real benefit? Thanks for input folks, I appreciate it ------------------
Jerry
www.67Fastback.com
"The danger in communication is the illusion that it has been accomplished."
G.B. Shaw
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kcode
Gearhead Posts: 2983
From: alvaton,ky,usa Suburb of Bowling Green, M&M #79, MCA #29208
Registered: Jun 99
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posted 08-07-2001 11:53 PM
Jerry,
I guess I should have asked, if you don't go with the Special heads, what do you get with the rebuild? Mike
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67 Fastback
Gearhead Posts: 689
From: Beaverton, Oregon
Registered: Aug 99
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posted 08-08-2001 02:08 PM
Mike, For $2215 They are rebuilding the motor with flat top pistons, hipo head (verified), and a mild RV2 cam. The price includes installation as well as stripping the engine compartment and repainting/detailing. All this comes with the 7/70 warranty.I have decided to go ahead and get the hipo, what the heck, cool factor wins... ------------------
Jerry
www.67Fastback.com
"The danger in communication is the illusion that it has been accomplished."
G.B. Shaw
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JAAZZY
Gearhead Posts: 772
From: Bay Area, CA
Registered: Apr 2001
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posted 08-08-2001 03:15 PM
That's a very good price. Look around at different choices for cams. I don't know the specs on the RV2 but there are some pretty decent cams out there that are mild. The Comp Cams 270H comes to mind. quote:
Originally posted by 67 Fastback:
Mike, For $2215 They are rebuilding the motor with flat top pistons, hipo head (verified), and a mild RV2 cam. The price includes installation as well as stripping the engine compartment and repainting/detailing. All this comes with the 7/70 warranty.I have decided to go ahead and get the hipo, what the heck, cool factor wins...
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SteveLaRiviere
Administrator Posts: 42139
From: Saco, Maine
Registered: May 99
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posted 08-08-2001 07:49 PM
Are those cast pistons? I prefer at least hypereutectic. If you're staying fairly stock, {under 6000} you don't need forged pistons, really.Like kcode said, aside from the cool factor, you won't really make more power with the Hipos. That said, you made a good choice taking them. It pays to use good hardware. {I much prefer screw-in studs} ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
Ford. The closer you look, the better WE look! [This message has been edited by SteveLaRiviere (edited 08-09-2001).]
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