[Fot] GT6 Connecting rods
J.C. Hassall
jhassall at gmail.com
Mon Dec 14 14:05:14 MST 2015
I had Callies, in Fostoria OH nitride my TR4 crank. They polished and
dimension-checked for $200 (I think, maybe less). Did great work and only
took about 2 weeks.
jim
On Mon, Dec 14, 2015 at 2:20 PM, Duncan Charlton <
duncan.charlton54 at gmail.com> wrote:
> The nitriding cost (via Dennis Murray of Performance Engine Service in
> Austin, TX) turned out to be $400 (plus $72 shipping), much less than I
> expected. Dennis said that was his cost, so perhaps going direct to Mile
> High Crankshafts in Denver might cost a bit more. Compared to the cost of
> a forged crank that seems like a helluva deal for the Ford 1500
> pre-crossflow race motor I’m building for the Morgan.
>
> Duncan
>
>
> On Dec 11, 2015, at 8:27 PM, Brian Schirano <bschirano at yahoo.com> wrote:
>
> My crank was nitrided at a local steel treating shop here in Rochester NY
> then back to machine shop for (re)polishing, (re)tolerancing, balancing
>
> 26A GT6+, 28 TR6
> Brian Schirano
> 585-305-0349 Cell
> BSchirano at yahoo.com
>
> ------------------------------
> *From:* Duncan Charlton <duncan.charlton54 at gmail.com>
> *To:* Greg Blake <gblake58tr3 at icloud.com>
> *Cc:* Fot <fot at autox.team.net>
> *Sent:* Friday, December 11, 2015 9:06 PM
> *Subject:* Re: [Fot] GT6 Connecting rods
>
> Dennis sent my Ford 1500 crank to a guy in Colorado for nitriding. He
> said it would be about $800, including final straightening and grinding to
> spec (Monday I’ll pick it up and find out what the final cost is).
>
> Duncan
>
>
> > On Dec 11, 2015, at 3:36 PM, Greg Blake <gblake58tr3 at icloud.com> wrote:
> >
> > Sounds like a deal considering what we pay Dennis these days which does
> not include the nitriding process.
> >
> > Can you specify bearing clearances and radius treatment?
> >
> > Sent from my iPhone
> >
> >> On Dec 9, 2015, at 9:46 AM, rkramer3 at austin.rr.com wrote:
> >>
> >> Does anyone have experience with APT nitrided cranks? They list a fully
> race prepped and nitrided 6 cylinder crank at just under a grand.
> >> Bob Kramer
> >> rkramer3 at austin.rr.com
> >>
> >> ---- Brian Schirano <bschirano at yahoo.com> wrote:
> >>> 2 Cents from a modest built GT6 racer (IE 10:1 CR, stock rods, crank,
> Good GP3 cam, etc). Russ's comments are dead on - building the car is one
> expense, racing it is a recurring one and his estimate of $1000 per event
> is good. So build in margin of safety in the motor (and other components)
> where you can.
> >>> aluminum flywheel and clutch & PP I went to Ted Shumaker, TSI - TS
> Imports
> >>> RE the rods - at the time of my first (only) rebuild a couple years
> ago I couldn't afford carrillos or Pauters, but did spend some long green
> on nitriding and polishing the crank, balancing everything, and of course
> the ARP hardware everywhere that counts . My car is NOT a high rev machine,
> I self limit at 6200 - 6300 RPM and it seems all the straights are uphill
> so she never redlines there anywise!
> >>> So to me, it can be done, but has to be consistent with the rest of
> your build. my next build will be a higher CR and hotter cam, so will be
> upgrading rods, and pistons as well. But the first build was built
> conservative for longevity.
> >>> Brian 26A GT6+, 28 TR6Brian Schirano
> >>> 585-305-0349 Cell
> >>> BSchirano at yahoo.com
> >>> From: Spitfire Racing <spitfire_racing at twcny.rr.com>
> >>> To: 'Jamie' <tr6driver at yahoo.com>; 'McKearn McKearn' <
> mckearn2 at gmail.com>
> >>> Cc: 'FOT list' <fot at autox.team.net>
> >>> Sent: Wednesday, December 9, 2015 8:02 AM
> >>> Subject: Re: [Fot] GT6 Connecting rods
> >>>
> >>> A properly built and modified race engine represents a mighty
> investment not
> >>> only of dollars but of time. Is that really where you want to pinch
> pennies?
> >>> After all, with the exception of pistons and crank that is one of the
> >>> primary components and all it takes is one piece inside an engine to
> reduce
> >>> all your work and investment to nothing more than scrap metal. One
> seized
> >>> valve, or substandard bolt even can be a disaster. It doesn't take
> much.
> >>> Realize all the ancillary invested expenditures that are also at risk
> like a
> >>> weekend's entry fee you lose in an engine failure; the cost of time
> off from
> >>> work to go to a race weekend; the cost of food and lodging for the race
> >>> outing and the cost of just getting there. When asked, I usually advise
> >>> folks to figure a race weekend is ~$1000 minimum when you roll all in.
> >>>
> >>> A number of racers have run Pauter rods as stated before by Bill and
> these
> >>> do present a less expensive alternative. I had the opportunity to
> rebuild an
> >>> engine last year with Pauter rods and they were quite substantial and
> were
> >>> well designed, constructed and balanced. Personally I have seen far
> too many
> >>> Chinese knock-offs; reproductions (call them what you will), that fail
> to
> >>> come close to the parts they try to mimic.
> >>> I suggest you perhaps delay your build until your war chest allows for
> top
> >>> quality internals. Do it once and do it right the first time and
> reduce the
> >>> potential for disappointing expensive disaster.
> >>>
> >>> Russ Moore
> >>> Spitfire #49
> >>>
> >>> -----Original Message-----
> >>> From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Jamie
> >>> Sent: Wednesday, December 09, 2015 6:22 AM
> >>> To: McKearn McKearn
> >>> Cc: FOT list
> >>> Subject: Re: [Fot] GT6 Connecting rods
> >>>
> >>> Although I was initially very wary, they have worked well for over
> 1,000
> >>> race miles in our (horror) MGB engine.
> >>>
> >>> Jamie Palmer
> >>>
> >>>
> >>>> On Dec 8, 2015, at 11:52 PM, McKearn McKearn <mckearn2 at gmail.com>
> wrote:
> >>>>
> >>>> Hi Gents.
> >>>> I am looking for feedback on the MaxSpeeding connecting rods for
> GT6.
> >>> Can't afford Carrillos and I'm hoping these are good. Also am still
> >>> searching for an aluminum flywheel without having something custom
> made. and
> >>> would like input on what type of clutch to use as well . Lets call it
> a race
> >>> car for the sake of argument....
> >>>> Thanks. P.J.
> >>>> _______________________________________________
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