Warranty rebuild

[Flyntgr]

Some of you won't believe the numbers: max of 607 lb ft torque, 569.9 peak h.p. @5,500 (forgot the peak torque rpm's, but have it written down at the office), at the FLYWHEEL. Above 500h.p. at all rpm's over 2,500. I guess it will be worth the wait for the rebuild. This will be one strong motor-all completely redone with all new parts and dynoed with factory ECM, factory exhaust manifolds and catless factory exhaust (muffler and tailpipe, etc). Hmmm. They are living up to their great reputation with me. By the way, all this info was over the phone; no faxes permitted. I might have to try her out after she's installed....

 

[Flyntgr]

No one has replied to this post, so I'd like to ask a question in order to gain your knowledge: Has anyone to your knowledge had results similar, whether a little more or a little less, to these numbers on their warranteed rebuild of a gen. III? By the way, max torque was at 4,600 rpm's.
Thank you for your input!

 

[eagles]

Yup, my warranteed '03 rebuild by Arrow is 560hp and 610tq.

eagles

 

[jpas]

When they did the engine dyno run, it is unlikely that it had the stock manifolds, cats and muffler, also what kind of a PCM was controlling the calibration? Your numbers look great, I wonder what if a factory engine would do the same.

 

[adamlotus]

my gen 2 arrow rebuild came back stronger

 

[Viper X]

Flyntgr,

Those are good numbers for sure. I suspect you meant to say over 500 TQ from 2500 up, not HP. HP doesn't get that high at 2500 rpm, even in highly modded cars.

Keep in mind that removing the cats will make a big difference though it's not such a good idea on the street.

Everyone that I've talked to on this subject has said that their engine came back stronger.

Enjoy your car.

Dan

 

[Flyntgr]

I asked specifically about the exhaust and ECM, and was told that both the exhaust manifold and the ECM were stock, though the exhaust did not have a cat. I'll check my notes to see if the 2,500 rpm was torque instead of horsepower. I could very easily have confused the two. Thanks, everyone, for your comments.

 

[SylvanSRT]

if your results are consistent with mine you will be around 450 hp at wheels and near 480 tq

 

[jpas]

I asked specifically about the exhaust and ECM, and was told that both the exhaust manifold and the ECM were stock, though the exhaust did not have a cat. I'll check my notes to see if the 2,500 rpm was torque instead of horsepower. I could very easily have confused the two. Thanks, everyone, for your comments.

Those are great numbers for stock manifolds and mufflers. You should get your car on a chassis dyno and see what does as a comparison.

 

[Flyntgr]

Hypothetically, if a motor with 570/607 using stock ECM and Exhausts (less cats) were to add Bellanger headers with hiflo cat exhaust, with no crossover pipes and with a VEC3 tuner and greens filters, what flywheel h.p./torque would be likely? (610-620h.p./660-670 torq.?) Assuming 12% loss to rear wheels, would that equate to about 530-540 rear wheel horsepower and 580-590 rear wheel torque? Just an academic musing to see if I understand what you guys are doing....

 

[Flyntgr]

The eagle has landed. I should have my car back in a few days with plenty extra horses. Of course, too much horsepower is Never enough.