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I am having a break up problem at around 5000 rpms. It just won't pull past it. Until then, it's great.

At the request of the tuner, I am putting on a crank trigger, which he said will solve the problem. He said he had multiple cars do this and a crank trigger solved it.

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Mustang dyno (usually 10-15% less than a dynojet)
11psi----710hp 6100 rpms , 764 torque 4400rpms unloaded dyno pull(670 loaded)

17psi----846hp loaded dyno

23 psi----980hp 6500 rpm, 900 torque 5200rpm (loaded pull)


basically picked up 200hp than from before at about 3 pounds less boost.....I was going to add just a tad to see 4-digits but a little water spurted from the radiator spout on the 980 pull... (no overflow yet) so want to re-torque heads first before pushing it any harder.

All on e-85 ,possible still winter blend, so I was a little hesistant to keep pushing....

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Quote:

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Quote:

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I am having a break up problem at around 5000 rpms. It just won't pull past it. Until then, it's great.

At the request of the tuner, I am putting on a crank trigger, which he said will solve the problem. He said he had multiple cars do this and a crank trigger solved it.

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Are you using Strictly Performance to tune yours??

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Quote:

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Mustang dyno (usually 10-15% less than a dynojet)
11psi----710hp 6100 rpms , 764 torque 4400rpms unloaded dyno pull(670 loaded)

17psi----846hp loaded dyno

23 psi----980hp 6500 rpm, 900 torque 5200rpm (loaded pull)


basically picked up 200hp than from before at about 3 pounds less boost.....I was going to add just a tad to see 4-digits but a little water spurted from the radiator spout on the 980 pull... (no overflow yet) so want to re-torque heads first before pushing it any harder.

All on e-85 ,possible still winter blend, so I was a little hesistant to keep pushing....

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So what fixed your problem?

Quote:

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Mustang dyno (usually 10-15% less than a dynojet)
11psi----710hp 6100 rpms , 764 torque 4400rpms unloaded dyno pull(670 loaded)

17psi----846hp loaded dyno

23 psi----980hp 6500 rpm, 900 torque 5200rpm (loaded pull)


basically picked up 200hp than from before at about 3 pounds less boost.....I was going to add just a tad to see 4-digits but a little water spurted from the radiator spout on the 980 pull... (no overflow yet) so want to re-torque heads first before pushing it any harder.

All on e-85 ,possible still winter blend, so I was a little hesistant to keep pushing....

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congrats mate ,well done