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stanglife

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Hmm, it has more torque and hp than a GT with a the 302, and mine will light up the track in 1st. It sure sounds like 2nd gear to me but I could be wrong.
So it sounded like you were asking the question but now it seems like you were just making a statement. Which is it?
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nametoshowothers

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It absolutely counts to make my point that OHC is older than push rod tech.



But since you missed that, here is a link for you.



https://en.wikipedia.org/wiki/Maudslay_Motor_Company

Actually not

The push rod engine is relatively low tech compared to the overhead cam engine. From a mechanical engineering perspective the overhead engine is more advanced able to operate with greater precision on valve timing, rpm, cam profiles etc. have not seen one formula 1 team planning to move to the new fangled pushrod engine technology.

Push rod engine is good for one thing only and that is it is cheaper and smaller footprint for the same piston displacement


By the way some italian dude tried to build flying machines including a helicopter. So therefor with you logic the helicopter is centuries older than the car. By the way his name started with Leonardo




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nastang87xx

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Actually not

The push rod engine is relatively low tech compared to the overhead cam engine. From a mechanical engineering perspective the overhead engine is more advanced able to operate with greater precision on valve timing, rpm, cam profiles etc. have not seen one formula 1 team planning to move to the new fangled pushrod engine technology.

Push rod engine is good for one thing only and that is it is cheaper and smaller footprint for the same piston displacement
Push rod engine is good for MANY things including simplicity, less moving parts, theoretically more reliability because of less moving parts (and the LS has proven to be a supremely reliable platform generally speaking), less weight, lower center of gravity, smaller foot print, instant low end torque, easier builds, and easier swaps.
 

Voodooo

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Too many misunderstandings here. It seem that when someone post something or ask a question someone else jump on them and it's taken wrong or said wrong.
 

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Voodooo

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_M_

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Man this thread has spiraled out of control...even for me. :eyebulge:
 

Myshelby3425

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Hmm, it has more torque and hp than a GT with a the 302, and mine will light up the track in 1st. It sure sounds like 2nd gear to me but I could be wrong.

Compare the torque curves on the dyno graph. Not saying it makes less power/trq, saying it makes less torque down low.


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nametoshowothers

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Push rod engine is good for MANY things including simplicity, less moving parts, theoretically more reliability because of less moving parts (and the LS has proven to be a supremely reliable platform generally speaking), less weight, lower center of gravity, smaller foot print, instant low end torque, easier builds, and easier swaps.

Not really. Low end torque is a design choice not related to pushrods.

No where did i not state the ls is unreliable

But i would not count the number of moving parts as a success criteria when both engines are just as reliable.

Again you just reinforced my point it is cheaper and has a smaller footprint with less operation flexibility and less design range


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chuckty101

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A pushrod/lifter valve train engine has more moving parts than OHC engine. That why a OHC revs faster and higher than a pushrod/lifter engine. Example a 2015 Z/28 @ 7000rpm vs a GT350 @ 8250rpm.
Also if you have less move parts in any kind of machine than you also have a more reliable product it just common sense.
 

Voodooo

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A pushrod/lifter valve train engine has more moving parts than OHC engine. That why a OHC revs faster and higher than a pushrod/lifter engine. Example a 2015 Z/28 @ 7000rpm vs a GT350 @ 8250rpm.
Also if you have less move parts in any kind of machine than you also have a more reliable product it just common sense.
Agree but disagree. It's higher rpm over the z28 is due to shorter stroke, lighter mass
 

Nataphen

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Also if you have less move parts in any kind of machine than you also have a more reliable product it just common sense.

I guess that's why rotary motors have caught on so well…

Maybe that's a bad example.
 

MAV

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Well with no other gear options out there only time will tell. But from what I've seen I would say yes it could use a different gear.
Do we know if Ford Performance or some other gear manufacturer has any plans to make lower gears for the IRS 8.8? I'm seriously wanting this to be one of my first mods for my GT350, and not just for drag racing. I think a shorter gear would make this car so much more fun on the street because it would allow more trips to the rev limiter without more trips to the impound. ;)
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