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The Terminator
Terminator Talk
Are Longtubes bad for DOHC engines?
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<blockquote data-quote="Albatross" data-source="post: 16429183" data-attributes="member: 196914"><p>^^ I agree with this. It makes your engine much more efficient. You will probably see a drop in boost but will also see an increase in power/torque. It may be a slight increase but you have to think, less boost with more power=more efficient. Add some bigger injectors and a BAP to go with more air moving through the motor and the gains will increase. I added 60lb injectors and a BAP when I installed my kooks headers and saw an increase of 23hp and 86tq at the wheels. Went from 457hp/436tq to 480hp/522tq. Didn't hurt low end torque at all either. I have the before and after Dyno to prove this. This is on a non ported stock blower with a 2.8 pulley. And the sound is pure joy! Yes, they are a pain to install but any worthwhile mod is not going to be easy. As for the comment "they suck the valve seals out"... Absolutely ridiculous! Put long tubes on, go wide open throttle and you will have to surgically remove the smile from your face!</p></blockquote><p></p>
[QUOTE="Albatross, post: 16429183, member: 196914"] ^^ I agree with this. It makes your engine much more efficient. You will probably see a drop in boost but will also see an increase in power/torque. It may be a slight increase but you have to think, less boost with more power=more efficient. Add some bigger injectors and a BAP to go with more air moving through the motor and the gains will increase. I added 60lb injectors and a BAP when I installed my kooks headers and saw an increase of 23hp and 86tq at the wheels. Went from 457hp/436tq to 480hp/522tq. Didn't hurt low end torque at all either. I have the before and after Dyno to prove this. This is on a non ported stock blower with a 2.8 pulley. And the sound is pure joy! Yes, they are a pain to install but any worthwhile mod is not going to be easy. As for the comment "they suck the valve seals out"... Absolutely ridiculous! Put long tubes on, go wide open throttle and you will have to surgically remove the smile from your face! [/QUOTE]
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Are Longtubes bad for DOHC engines?
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