[DeTomaso] Questions on 4v heads

michael@michaelshortt.com michaelsavga at gmail.com
Sun Oct 24 17:18:58 EDT 2010


I would add that if you want to be safe going fast, spend money on being
able to stop.  Brake systems should be a major part of any go fast
effort.    MICHAEL
On Oct 24, 2010 5:13 PM, "michael at michaelshortt.com" <michaelsavga at gmail.com>
wrote:
> Safe at higher speeds:
> 1. Roll cage
> 2. Fuel cell
> 3. Helmet, nomex, hans, belts
> 4. Fire suppression system
> 5. Eclectrical disconnect
> 6. Radio
>
> Michael Shortt
> On Oct 24, 2010 4:49 PM, "Bill Lewis" <lotus0005 at hotmail.com> wrote:
>>
>> Dang, JDeRyke - what sage advice!!!!! Have your cake and eat it too!!!
>>
>>
>>
>>
>>
>>> From: JDeRyke at aol.com
>>> Date: Sun, 24 Oct 2010 14:56:24 -0400
>>> To: rob at dumoulins.net; detomaso at realbig.com
>>> Subject: Re: [DeTomaso] Questions on 4v heads
>>>
>>> In a message dated 10/24/10 6:51:24 AM, rob at dumoulins.net writes:
>>>
>>>
>>> > Tony stated that I would be better off with 2V heads and a different
>>> > manifold so I could get better port velocity. He stated I might be
able
> to get
>>> > an other 100 HP with the right heads/intake/carb setup.
>>> >
>>> > Any of you ever heard of Tony?
>>> > Do you guys agree with what he said?
>>> > Can I get notable improvement installing the port stuffers?
>>> >
>>> Never met the man, but Tony seems to know what he's talking about.
Vendor
>
>>> Larry Stock of PPC-Carson City runs Aussie 2V heads on his Silver State
>>> street Pantera, with lots of other engine work but no stroker crank, and
> it
>>> dynoed at roughly 400 bhp. Intake port stuffers may help but really,
> adding speed
>>> parts to an unmolested 40-year-old engine is just asking for big
trouble.
>
>>> For instance, your 'smoke at start-up' may be ring wear or valve guide
> wear;
>>> as-stock the heads had no real valve guide seals and what they did get
> often
>>> affects the life of the oil pump-and bearings. I've seen many guys with
>>> stone-stockers bolt on advertised power-adders and blow 'important'
parts
> right
>>> out of the blocks.
>>> Buy yourself a spare 351-C and do a complete rebuild done on it, with
>>> carefully selected speed parts, while you simultaneously enjoy the car
> as-is
>>> until the replacement is ready. Expect to spend maybe $5000 for more
> power in
>>> your 'new' motor. Chassis upgrades will be a good idea, too; Larry's car
> has
>>> seen 182 mph..... My best guess- J DeRyke
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