[Fot] 89MM piston question

Bill Bill at ponostyle.com
Sun Sep 2 21:46:09 MDT 2018 

It always puzzles me when people say that. Horsepower is torque times RPM (and a conversion factor). Torque is horsepower/RPM. So how can one count more than the other? 

> On Sep 2, 2018, at 4:13 PM, Mordy Dunst via Fot <fot at autox.team.net> wrote:
> 
> Its the torque that counts.  So, I suspect the motor enhancements took the benefit of the tractor stroke.  If the motor is  able  to produce  that power at 6k rpm with shift at 6500.    
> I shift at @ 6200 - my motor produces  max power @5800 on the dyno. I use a kastner designed cam for which  I have the masters. 
> 
>  
> 
> MDunst Headgasket.com <http://headgasket.com/> 626.358.1616 <tel:626.358.1616> 
> Fax 626.628.3777 <tel:626.628.3777> 
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> 
> On Sunday, September 2, 2018, John Styduhar via Fot <fot at autox.team.net <mailto:fot at autox.team.net>> wrote:
> 
> What kind of modifications were done to the engine to extract over 200 HP from a tractor engine?  Nitrous shot.
> 
> 
> On Sat, Sep 1, 2018 at 3:05 PM Thomas Boyd <tom at trenterprises.com <mailto:tom at trenterprises.com>> wrote:
> All of our FIA race cars are running legal 87mm engines.
> Just rolling roaded the latest SLR build at well north of 200bhp
> 
> Thomas Boyd
> Director
> TR Enterprises
> 01623 793807 (ext 302) <tel:01623%20793807;302>
> www.trenterprises.com <http://www.trenterprises.com/>
> 
> 
> On 1 Sep 2018, at 17:02, John Styduhar via Fot <fot at autox.team.net <mailto:fot at autox.team.net>> wrote:
> 
> If you really had serious compliance with most group's rules, I would guess half the TR cars would not pass muster.  Let's have fun together.   
> 
> 
> On Sat, Sep 1, 2018 at 9:40 AM Terry Stetler via Fot <fot at autox.team.net <mailto:fot at autox.team.net>> wrote:
> Indeed there are Glen.
> 
>  
> 
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> 
>  
> 
> From: Fot <fot-bounces at autox.team.net <mailto:fot-bounces at autox.team.net>> on behalf of fubog1 via Fot <fot at autox.team.net <mailto:fot at autox.team.net>>
> Sent: Saturday, September 1, 2018 7:34:26 AM
> To: rkramer56 at gmail.com <mailto:rkramer56 at gmail.com>
> Cc: fot at autox.team.net <mailto:fot at autox.team.net>
> Subject: Re: [Fot] 89MM piston question
>  
> everybody else seems to be using 89.
> HaHa not everybody, rules say 87mm, there are still a few guys running them (and winning)...
> Glen 
> 
> 
> 
> -----Original Message-----
> From: Bob Kramer via Fot <fot at autox.team.net <mailto:fot at autox.team.net>>
> To: van.mulders.marcel <van.mulders.marcel at telenet.be <mailto:van.mulders.marcel at telenet.be>>
> Cc: fot <fot at autox.team.net <mailto:fot at autox.team.net>>
> Sent: Fri, Aug 31, 2018 11:26 pm
> Subject: Re: [Fot] 89MM piston question
> 
> I've always used 87 MM due to the rules but everybody else seems to be using 89. The procedures are the same so It'll be the same. I blew a head gasket last time out, compression into the cooling system and blew off the bottom hose. I guess it wasn't tight enough, and scuffed two pistons before I could shut it down. 
> 
> Bob Kramer
> 
> On Fri, Aug 31, 2018 at 12:43 PM, <van.mulders.marcel at telenet.be <mailto:van.mulders.marcel at telenet.be>> wrote:
> Bob,
> It is definitely necessary to make that modification to the liners. The relieve should correspond to the shape of the combustion chambers : about 4 mm wide on a 89mm engine.
> Marcel
> 
> Van: "fot" <fot at autox.team.net <mailto:fot at autox.team.net>>
> Cc: "fot" <fot at autox.team.net <mailto:fot at autox.team.net>>
> Verzonden: Donderdag 30 augustus 2018 00:05:43
> Onderwerp: [Fot] 89MM piston question
> 
> Do the guys running the 89MM pistons and liners need to relieve the liners to clear the intake valve, or does the extra MM make the difference?
> 
> Bob Kramer
> 
> On Tue, 
> 
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