[TPR] Hydraulic Roller cam thoughts
Asa Jay Laughton
asajay at asajay.com
Thu Mar 29 20:27:23 PDT 2012
Yes, but Mike -drove- it. Dan has paid his appropriate karma dues to
prevent the Drewsaster affect from ever happening to him. However it's
apparently back-fired on Mike. :)
Asa Jay
<paid my Drewsaster dues on Mike's car about 10 years ago.>
Asa Jay Laughton, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
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On 3/29/2012 4:11 PM, Mad Dog Antenucci wrote:
> Didn't Dan built Mike Drew's engine?
> Okay just kidding
>
> ------------------------------------------------------------------------
> *From:* David in Durango <adin at frontier.net>
> *To:* Kirby Schrader <kirby.schrader at gmail.com>; Asa Jay Laughton
> <asajay at asajay.com>
> *Cc:* tpr at teampanteraracing.com
> *Sent:* Thursday, March 29, 2012 3:14 PM
> *Subject:* Re: [TPR] Hydraulic Roller cam thoughts
>
>
> Aaaaaaaarrrrrrggghhhhhhhhhhha. Don't want to hear all these stories
> about special bushings and such.
> Maybe I'll stick with solid rollers - the hydraulics are about $400
> more. then I'll need different pushrods? It never ends.
> BTW, Dan told me the 180s don't give any more power. I AM aware of
> the pornographic powers they have . . . . .
>
> ----- Original Message -----
> *From:* Kirby Schrader <mailto:kirby.schrader at gmail.com>
> *To:* Asa Jay Laughton <mailto:asajay at asajay.com>
> *Cc:* tpr at teampanteraracing.com <mailto:tpr at teampanteraracing.com>
> *Sent:* Thursday, March 29, 2012 2:39 PM
> *Subject:* Re: [TPR] Hydraulic Roller cam thoughts
>
> I just went through this, but Dan is certainly more of an expert
> than I.
>
> When I got my Pantera back in 2009, the all iron 377 Cleveland had
> a hydraulic roller in it. Decent 470 HP and 448 TQ.
> Trouble is, I was so used to the old flat tappet solid lifter cam
> that my brain kept trying to wind it to 7000rpm and then hitting
> the rev limiter. I wanted it to keep pulling.
> 6200 was about all it was good for with the hydraulic rollers....
>
> I had to pull the engine for repair last year (long story, don't
> ask, please) and decided I liked the rpm too much, so I went with
> some Comp Cams solid rollers. They left less than .050" covering
> the oil galley holes, so I had to get the lifter bores bushed.
> This is expensive, but good because it allows you to put smaller
> oiling holes in the bushings. That way, if you do lose a lifter,
> you don't lose the engine.
>
> I have rebuilt the previous engine (my son is going to use it in
> his Pantera) and did a completely new engine for my car.
> After lots of drama and hassle it is running now, but I'm still
> fine tuning the EFI. It's nice and strong though. We'll see how it
> goes.... Desktop Dyno says it should do 560HP and that's not bad
> for an all iron Clevleand, I think.
>
> I am running into the exhaust restriction now with the stock GTS
> mufflers and the better cam and stuff, so a set of 180's is on order.
>
> It never ends....
>
> Bottom line: You can get lifters which WILL work in the stock
> Cleveland block bores, but you need to check closely.
> And... you may need to bush them.
>
> FWIW,
> Kirby
>
>
> On Thu, Mar 29, 2012 at 14:41, Asa Jay Laughton <asajay at asajay.com
> <mailto:asajay at asajay.com>> wrote:
>
> The next build I do will most likely use a mechanical roller,
> though a
> hydraulic isn't out of the question.
>
> The last build I did used an off-the-shelf Crane hydraulic
> roller for
> a 351C. I think it was one of the first. I love it actually,
> being
> the first one I've ever tried. It's not very radical though
> and I'd
> go for more rumpety the next time.
>
> Dan Jones has some great information regarding hydraulic
> rollers for
> Clevelands. Best to give him a shout. I might be able to dig
> up his
> emails on it (I tend to keep nearly everything he writes) but
> it could
> be like a doomed Antarctic expedition. Pay special attention
> to the
> lifters. Some Hydraulic roller lifters for the Cleveland are NOT
> good. Oil hole is too high and will clear the top of the
> lifter bore.
> I don't think I'd even talk to a vendor until -after- I
> talked with
> Dan.
>
> Either way... mechanical or hydraulic, I think you'll love the
> roller.
> Asa Jay
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