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| 13.9? From a 4.9? (Page 8/17) |
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Unrivaled
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AUG 12, 10:21 PM
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| quote | | Originally posted by crzyone:
I didn't do the 3.4dohc to be a drag engine, it just suited the personality of the car and my driving habits. I wanted something faster .
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That sounds just like statements in threads I read from 4.9 swappers while lurking before I decided to join PFF.
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crzyone
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AUG 12, 10:28 PM
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If torque won races, the 4.9 would destroy a 3.4dohc in the 1/4. As it is, one has 220lb/ft vs 275lb/ft. There is something to be said about a powerband. The 3.4dohc probibly makes more torque than a 4.9 anywhere after 4000rpm all the way to its 7000rpm redline. 3.4 is also able to use the lower gears longer, which evens the odds.
Edit to add. Mr.Pat is running an iron head LT1 which is only rated at 260hp and has an auto trani. A 300hp aluminum head LT1 would be deep into the 12s with a manual transmission.
[This message has been edited by crzyone (edited 08-12-2005).]
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Master Tuner Akimoto
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AUG 12, 11:03 PM
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AaronZ34
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AUG 12, 11:43 PM
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MTA, I won't even argue with you, becuz I personally don't like your name calling. But I think you do a lot of shoddy work, and back away from it. So I am without a doubt on Cryzone's side. And he is not a fool for doing, or starting, 4 engine swaps. That means he had the money, time, mechanical ability, and interest to do what he wanted, and what better way to learn what exactly he wanted then to do all 4 and analyze? And having only seen his DOHC swap, it was done right, so I am led to believe the others were too. But I havn't seen a swap of your's that I can say was done right, and I've looked at more than 1 or 2. That being said, the 3.4 is dead even with the 4.9 for a lot of reasons, the main one being its power curve. Torque doesn't win races, horsepower does. ------------------
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Unrivaled
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AUG 12, 11:47 PM
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| quote | | Originally posted by AaronZ34: MTA, I won't even argue with you, becuz I personally don't like your name calling. But I think you do a lot of shoddy work, and back away from it. So I am without a doubt on Cryzone's side. And he is not a fool for doing, or starting, 4 engine swaps. That means he had the money, time, mechanical ability, and interest to do what he wanted, and what better way to learn what exactly he wanted then to do all 4 and analyze? And having only seen his DOHC swap, it was done right, so I am led to believe the others were too. But I havn't seen a swap of your's that I can say was done right, and I've looked at more than 1 or 2. That being said, the 3.4 is dead even with the 4.9 for a lot of reasons, the main one being its power curve. Torque doesn't win races, horsepower does. |
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Are you saying the 3.4 DOHC is dead even with the 4.9 even if both have automatic trans? Or are you comparing a 3.4 manual to a 4.9 auto? Do you think a 3.4 auto will outrun a 4.9 manual? Still say both are dead even?
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crzyone
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AUG 12, 11:57 PM
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Any DOHC engine isn't suited for an auto transmission. Alot of the time the auto wants to shift before the redline of the motor. A manual transmission where you have better control is needed to squeeze all the power from a dohc. The 3.4 is at a disadvantage displacement wise, its impressive it compares to a 4.9L V-8 at all.
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loafer87gt
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AUG 13, 12:32 AM
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| quote | | Originally posted by JohnnyK:
I can only assume he's the one who told you to use dimes in an engine...
Ahh, that felt good.. I'm outta this one..
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You arse. You just made me shoot coke out my nose onto my keyboard. 
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MiZer
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AUG 13, 12:56 AM
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LOL @ Automatic "Dimes" Comment.
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AaronZ34
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AUG 13, 02:03 AM
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| quote | | Originally posted by crzyone: Any DOHC engine isn't suited for an auto transmission. Alot of the time the auto wants to shift before the redline of the motor. A manual transmission where you have better control is needed to squeeze all the power from a dohc. The 3.4 is at a disadvantage displacement wise, its impressive it compares to a 4.9L V-8 at all. |
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Not EXACTLY, but close. The 3.4 DOHC, with the factory 4T60e gearing, using my stock dyno, has near perfect shift points from the factory, at just over 6500. But fact remains, that is close enough to redline. But yes, the DOHC does like the manuals. 4.9 auto vs 3.4 auto, the 4.9 will have a big advantage off the line, but from there on out every advantage is in the DOHC's hands. It would be a closer race, but in 1/4mi distance I think the 3.4 can overcome its poor off the line performance. And besides, a simple torque converter would change that race A LOT. And Mizer, I gave ya a plus cuz I can't stand one more member getting banned from this stupid ratings thing.
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FieroMaster88
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AUG 13, 02:13 AM
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Sig test...  ------------------
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