Engine Masters 5.3 turbo
They were using race fuel, so in no way knock limited so will have been able to achieve optimal timing. Also their intake/charge cooling was no doubt very good with little compromise. Although at low boost probably not so much of a consideration.
So I think hoping for 790 on a DIY pump gas build with a different turbocharger is probably being a little hopeful
So I think hoping for 790 on a DIY pump gas build with a different turbocharger is probably being a little hopeful
Not sure race gas is of much advantage at that boost, maybe some because more timing could be ran.
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9 Second Club
Joined: Nov 2003
Posts: 13,616
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From: Norn Iron
Im not hoping for 790. As a matter of fact I kinda hope it wouldn’t be that much. I’d definitely be running out of fuel injector and pump at that power level. Not to mention my drivetrain would be screaming for mercy. I think 100hp less would be more realistic. But I do have a bigger engine, bigger cam and on the heads I’m not sure. Mine flowed a little over 300/225.
Not sure race gas is of much advantage at that boost, maybe some because more timing could be ran.
Their BW turbocharger will be better and more efficient than any chinese copy and the 480 will move more air anyway than the 7875. There are just numerous items where their setup will offer more power ( albeit on a smaller engine which naturally will offer less power )
It would have been good for them to have run the tests with pump fuel as well though, seeing as they did drop the CR a little and it was more or less a basic build to start with. Plus to give some sort if idea how much difference there might really be, but even on pump with their lower CR, they would have been able to achieve more timing than a stock CR build, so probably more power available...although again that'd be another test !
Really...they should do a weekly show for this sort of stuff lol
Race fuel will make more power. Race fuel will allow timing to be optimal...that yields more power. Their tuning will also undoubtedly be better, simply because they can easily optimise things.
Their BW turbocharger will be better and more efficient than any chinese copy and the 480 will move more air anyway than the 7875. There are just numerous items where their setup will offer more power ( albeit on a smaller engine which naturally will offer less power )
It would have been good for them to have run the tests with pump fuel as well though, seeing as they did drop the CR a little and it was more or less a basic build to start with. Plus to give some sort if idea how much difference there might really be, but even on pump with their lower CR, they would have been able to achieve more timing than a stock CR build, so probably more power available...although again that'd be another test !
Really...they should do a weekly show for this sort of stuff lol
Their BW turbocharger will be better and more efficient than any chinese copy and the 480 will move more air anyway than the 7875. There are just numerous items where their setup will offer more power ( albeit on a smaller engine which naturally will offer less power )
It would have been good for them to have run the tests with pump fuel as well though, seeing as they did drop the CR a little and it was more or less a basic build to start with. Plus to give some sort if idea how much difference there might really be, but even on pump with their lower CR, they would have been able to achieve more timing than a stock CR build, so probably more power available...although again that'd be another test !
Really...they should do a weekly show for this sort of stuff lol
not trying to get off track but heck why not. Hows the new 7675 billet on3 BMF compare to the Borg Warner turbo?
Registered User
Joined: Nov 2018
Posts: 1
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From: Chicago Illinois
Quick question Brand spanking new to ls1tech really didn’t want to start a forum to ask an question that’s been answered a million times. Just can’t find the thread I’m looking for. Just picked up a bone stock lm7 planing on putting a turbo on it and also going thru the motor just want some options on heads. Thanks (yes talking **** will come I know 😂
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