Carb of EFI
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I'm not trying to promote carbs. I don't run them on my bike(completely different than a car though), but the main thing is you need to be realistic when it comes to what you want/can spend.
Dave and Matt run very quick times on EFI, but neither of their setups are what I would consider cheap.(Taking into consideration the "retail" value of their work. Just because Matt tinned his whole car, doesn't mean that everyone may have that ability. To me, that work has value.)
On the other hand, look at Christian's old Capri, that car had very little into in $$-wise, and went 11.3. It was also a 5-speed car that he could(and did) drive EVERYWHERE. Put a C4 in that car and it would have run 10s no problem.
I would talk to Christian and Andy(Dynotune). I would bet you'll be able to get an earfull from both of them on both sides of the subject.
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DaveH wrote:
Good grief you guys... Top fuelers don't have carbs, they are mechanically fuel injected. Basically they are EFI without the E.YA!! So THERE!!!! Put that in ur pipe and smoke it.
So really, I wasn't sure about that so I assumed they were carbed cuz Ethan posted it as such. Shame on me for not being better versed in top fuel cars and also for believing him.:o
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Didn't I say that?
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I suppose each application would have a different outcome, but on sprint cars (something I know from experience) just going from an alcohol carb to a hilborn injection (mechanical) is right around a 75 horse increase at upper rpm(6500-9000) but at lower rpm around 3000 (which besides idling and warm up sprint cars never run at) they are close in hp, a slight edge for the injection
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2wheeler wrote:
Ok, since everyone on here knows everything.....is 6.5s good enough?no, cause top fuel drags dont have a problem running into the 4's...
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you asked if it was fast enough, and i said no because it obviously cant compete with non carbed race cars, just like you on only two wheels. kthankxbye
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92BlackTT wrote:
you asked if it was fast enough, and i said no because it obviously cant compete with non carbed race cars, just like you on only two wheels. kthankxbye
very good apples to apples comparison(TF v. PS)...congratsplease list the other "non-carbed"(good way around EFI) racecars PS can't compete with. Oh, and make em N/A too.
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2wheeler wrote:
Aw Wes, someday you'll get yer own sack and be able to stop riding Dave's.
Now, where did that come from? I stated the truth. I really wasn't sure so I did assume you were right. But I did know that there were tight regulations and limitations as to what they run.
Now, How is that riding the old mans sack? -
2wheeler wrote:
very good apples to apples comparison(TF v. PS)...congratsplease list the other "non-carbed"(good way around EFI) racecars PS can't compete with. Oh, and make em N/A too.
you cant compare cars from class to class, hence the reason they have classes. I was simply stating that no, carbed cars arnt fast ENOUGH because there is better technology available to do so. There is no way a carb is the most efficient way of tuning a car or making power when you are talking about milliseconds and pluse widths with fuel injection. Matching a jet to airflow pressure etc etc may be thought of as a science, but it is superior to injection only in simplicity. Just the way you are sitting on a computer instead of tapping out strings of dots to communicate with all of us.
dont automatically think i was trying to be a dickhead with my first post. Not everybody on here is out to get you.
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Alright I'll ask how many on here have tuned a carb or ran a carb for any lenght of time? If you preperly tune them and not just jets, accelerator pumps, cams, discharge nozzles main body,bleed off screws etc they make great power! Bang for the buck take two identical cars give each person five grand one with efi one carbed who will win? With a carb you buy a good carb and intake, efi its t-body, injectors, maf, intake, well you know dam expensive that stuff is. Carb car will win. I also think a car with a carb vs. efi same power carb will always pull better on the top end. Just wy two cents.
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