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helping aluminum rods survive
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DRR Trophy
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Aluminium rods are always a tough subject on “Bracket talk”

Might post the question over on Inside Top Alcohol.
 
Posts: 301 | Location: Midwest  | Registered: January 12, 2015Reply With QuoteReport This Post
DRR Pro
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quote:
Aluminium rods are always a tough subject on “Bracket talk”

That's pretty funny right there.Alot of bracket cars run aluminum rods.I bracket race my alky motor just at higher speeds is all.
 
Posts: 1433 | Location: united states | Registered: January 16, 2006Reply With QuoteReport This Post
DRR Trophy
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Have you ask Bender how many runs he gets out of his rods, just wondering I know he runs the same type set up.
 
Posts: 124 | Location: Indiana | Registered: November 13, 2009Reply With QuoteReport This Post
DRR Pro
Picture of rusty
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quote:
posted January 20, 2019 12:35 PM Hide Post
quote:
power level dictates stress as well

according to all the rod builders,if the rod is the correct one for your application,power will not affect the life of the rod.they say if you did over power the rod it will bend.
these are the factors they claim will affect rod life
component weight...which is the piston weight

crankshaft stroke

rod bolt quality

rpms turned

i think the best answer i have for this is if you are not having any bearing signs ,then the manufacture will make the call on number of runs that the rods are good for.this is not a normal bracket motor but keep good clean oil in engine,
kill motor and go to neutral,
good warm-up,
you have already indicated detonation is under control,limit whopping lol


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1469 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of Big Steve
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quote:
Originally posted by David Covey:
Steve, so what did MGP end up telling you other than they were within spec?

I bought a set of MGP 3200 series for my hemi based on what the TA guys are running.
I'll never run mine as hard as they do, so I'm expecting to get a number of runs out of them.

Dave


It was more that just being in spec, they were throwing out actual numbers for perticialar rods that kind of went over my head and really impressed me.
Bottom line they said that I can easily put another 75 runs on them this season before cycling them out at the next rebuild.

What I really like about MGP is it is a small family business with only 4 people, Michael Giannone the father who originally started GRP with V Gaines then MGP after a business dispute with V passed away 2 years ago, his son Anthony and his mom run the business with 2 employees, so saying you get personalized service from them is a understatement.
 
Posts: 2545 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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quote:
Originally posted by Big Steve:
quote:
Originally posted by David Covey:
Steve, so what did MGP end up telling you other than they were within spec?

I bought a set of MGP 3200 series for my hemi based on what the TA guys are running.
I'll never run mine as hard as they do, so I'm expecting to get a number of runs out of them.

Dave


It was more that just being in spec, they were throwing out actual numbers for perticialar rods that kind of went over my head and really impressed me.
Bottom line they said that I can easily put another 75 runs on them this season before cycling them out at the next rebuild.

What I really like about MGP is it is a small family business with only 4 people, Michael Giannone the father who originally started GRP with V Gaines then MGP after a business dispute with V passed away 2 years ago, his son Anthony and his mom run the business with 2 employees, so saying you get personalized service from them is a understatement.


Thanks.

I went with them on the recommendation of a couple of pretty quick blown alcohol guys that I respect. And you are right service was impressive.

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3350 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post
DRR S/Pro
Picture of David Covey
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quote:
Originally posted by Curly1:



Kind of thinking out loud here but aluminum rods are lighter


Bruce,

Not to start an argument but as an example..

My Oliver 7.100 inch rods weigh 867 grams total and my Brooks 7.55 inch rod weigh 857 grams, the MGP's are 10 gram lighter..

Now, when you get into the baby rods that could very well be the case.. Big Grin

Dave


"It is usually futile to try to talk facts and analysis to people who are enjoying a sense of moral superiority in their ignorance." -Thomas Sowell
 
Posts: 3350 | Location: American By Birth Texan By The Grace Of God  | Registered: April 29, 2004Reply With QuoteReport This Post



DRR S/Pro
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quote:
Originally posted by jenavet:
quote:
power level dictates stress as well

according to all the rod builders,if the rod is the correct one for your application,power will not affect the life of the rod.they say if you did over power the rod it will bend.
these are the factors they claim will affect rod life
component weight...which is the piston weight

crankshaft stroke

rod bolt quality

rpms turned


Mikey!

Your driving is the best thing for rods lasting! Two time shots and first round runner up! Big Grin
Sorry, couldn't resist!!!!!!!!!!

But with regards to power levels not impacting rods, that's false. I see what your saying about the forces on the rods during the compression/power stroke but increase power equals more rpm also. Rods act in both compression and tension no matter what and more rpm means more tension. Blower motors do help on the intake stroke though on the tension end of things by forcing air/fuel into the motor reducing the tension the rods see on the intake stroke! So up the boost buddy! Smile
 
Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR Pro
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grp is thinking 80-100 passes.the way my season is looking I would finish up at 100-115 passes
 
Posts: 1433 | Location: united states | Registered: January 16, 2006Reply With QuoteReport This Post
DRR Pro
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quote:
But with regards to power levels not impacting rods, that's false.

I think we need to build a wall around Tewksbury mass.
 
Posts: 1433 | Location: united states | Registered: January 16, 2006Reply With QuoteReport This Post
DRR S/Pro
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Good read,
http://rehermorrison.com/tech-...nd-spoil-the-engine/


California Screaming!
Raceless in California!
 
Posts: 4673 | Location: Vacaville  | Registered: January 07, 2004Reply With QuoteReport This Post
DRR S/Pro
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quote:
Originally posted by jenavet:
quote:
But with regards to power levels not impacting rods, that's false.

I think we need to build a wall around Tewksbury mass.


Yup,, to keep u blower (LOL) guys out! Razz
 
Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR Sportsman
Picture of Dave Koehler
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This is a first hand observation and not regurgitated internet wisdom.

If you have someone in the area that does the Meta-lax service, have that done. It helps.

The 300 below thing might also be a possibility but do that before the Meta-Lax treatment.


Dave Koehler - Koehler Injection - http://www.koehlerinjection.com
Fuel Injection - Nitrous Charger - Nitrous Master Software - Balancing
99% of fuel injection problems are electric.
 
Posts: 364 | Location: Urbana, IL 61802 | Registered: December 03, 2003Reply With QuoteReport This Post
DRR S/Pro
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Im hesitant to participate in "rod" talk as I don't want to Jinx myself....

If it were mine I would be nervous at 80-85 runs and change them at 100.... do you neutral after the finish line?

I have 2 engines , one aluminum and one steel, knock on wood, I have had excellent luck with steel for a few years now...

to be safe, freshen it during the summer if it looks like you have been going rounds.


J.R. Baxter

""Fathom the hypocrisy of a Government that requires every citizen to prove they are insured ..but not everyone must prove they are a citizen."

2024 Miller
Rolla Competition Engines
ProCharger
Hoosier Tires
Abruzzi
 
Posts: 1552 | Location: Waxahachie | Registered: July 04, 2005Reply With QuoteReport This Post



DRR Trophy
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Rusty,
I am curious to know what your theory was abou the bearing had wear on top and bottom. What’s your opinion on the cause. Thanks
 
Posts: 42 | Location: East Coast | Registered: February 25, 2010Reply With QuoteReport This Post
DRR Pro
Picture of rusty
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posted January 22, 2019 05:28 AM Hide Post
Rusty,
I am curious to know what your theory was about the bearing had wear on top and bottom. What’s your opinion on the cause. Thanks

basically just to give some idea about what is already happening in the engine.top wear detonation ,bottom wear oil control.both just telling if engine is happy.if engine is happy then rod life gets back to driving style,maintenance and manufacture predicted life.as top mentioned the rod also experiences tremendous strain when the butterfly snaps shut.i thought it was very interesting in the rhere article about keeping heat down in an aluminum rod.that goes against a good warm up procedure.


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1469 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
DRR Pro
Picture of rusty
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quote:
I am curious to know what your theory was about the bearing had wear on top and bottom. What’s your opinion on the cause. Thanks

i think i drifted off your question a bit,top detonation, bottom oil control in shutdown,hence going to neutral and kill engine


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1469 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
DRR S/Pro
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quote:
Originally posted by rusty:
quote:
I am curious to know what your theory was about the bearing had wear on top and bottom. What’s your opinion on the cause. Thanks

i think i drifted off your question a bit,top detonation, bottom oil control in shutdown,hence going to neutral and kill engine


You just can't say it's only detonation for tops!
 
Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR Pro
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according to reher-morrison they don't want heat in a motor before launch and frown upon the guys aimlessly driving around the pits warming their junk up.
think they said 60 degrees out the gate.ive been doing that with no issues at all
 
Posts: 1433 | Location: united states | Registered: January 16, 2006Reply With QuoteReport This Post
DRR Pro
Picture of rusty
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posted January 22, 2019 11:27 AM Hide Post
according to reher-morrison they don't want heat in a motor before launch and frown upon the guys aimlessly driving around the pits warming their junk up.
think they said 60 degrees out the gate.i've been doing that with no issues at all

i always looked at that as pro stock way of thinking.i never thought it was practical for most of the racing i do.its easy to make first round cold or even getting one time trial a day.at some point though you have to go back to the line with a warm engine or hot. so for me it has been easier to keep a consistent 150 or so on heat.


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1469 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
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