Hbeam rods
Mar 10, 2012, 09:41 AM
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Hbeam rods
I already have a 2.3 stroker in my car with manley hbeam rods (rated @ 600hp) with the standard rod bolts. Is upgrading the rod bolts worth doing for my goal? Has anyone broke an hbeam, if so at how much power? My goal is 650whp and 500wtq.
Mar 10, 2012, 10:20 AM
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The only h-beams I'd run in a high horsepower car are the GSC's or Carrillo's. The Manley H-beams are cast in china and are hit and miss at that power level. In all honesty, I'd get an I-Beam rod - turbo tuff, map ultimate duty, manley 300m etc etc
Mar 10, 2012, 11:58 AM
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With me swapping the rods, do I have to rip apart the block and do machining for the manley 300m rods to fit or do the have the same fitment as the hbeam?
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Mar 10, 2012, 05:04 PM
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tscompusa, what do you think the breaking point of these rods are? what's the most power have you seen on them?
Yes, they're already in the car. I'll take your advise and just upgrade to the 625 bolts.
Yes, they're already in the car. I'll take your advise and just upgrade to the 625 bolts.
Mar 10, 2012, 05:33 PM
#13
580 in vd was proven to trap 138 though already. if the road isnt perfectly smooth its quite easy to get false readings like i did on my personal evo.
best bet is to view the graph in smoothing 1, if your runs very smooth in smoothing 1 still then thats a good sign its legit.. and then view it in smoothing 10.. if it doesnt fall down to much in hp/tq its pretty legit.
id say its pretty accurate when used properly.
--------------------------
2.3 fp red 91octane evo 8 (super conservative road course car tune)
see how graph is semi smooth on smoothing 1 and no random jumps? that will smooth
out and be very very close to the real dyno.. id put $ on it.
smoothing 10 you see power drop.. could be lower then a dj at that point or within a few
%.. point is the program can simulate the real deal when its used properly.
i think you'll be fine with the rods, just choose a good tuner that is conservative with timing
at lower half of the map.
Last edited by tscompusa; Mar 10, 2012 at 05:45 PM.
Mar 10, 2012, 05:47 PM
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to many variables to answer that question. it really depends on the road surface and the capabilities of the logging hardware/software.
580 in vd was proven to trap 138 though already. if the road isnt perfectly smooth its quite easy to get false readings like i did on my personal evo.
best bet is to view the graph in smoothing 1, if your runs very smooth in smoothing 1 still then thats a good sign its legit.. and then view it in smoothing 10.. if it doesnt fall down to much in hp/tq its pretty legit.
id say its pretty accurate when used properly.
580 in vd was proven to trap 138 though already. if the road isnt perfectly smooth its quite easy to get false readings like i did on my personal evo.
best bet is to view the graph in smoothing 1, if your runs very smooth in smoothing 1 still then thats a good sign its legit.. and then view it in smoothing 10.. if it doesnt fall down to much in hp/tq its pretty legit.
id say its pretty accurate when used properly.