What would be best for street driving, not drag racing. Would 272 give a crappy idle?

 

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What would be a good turbo fro mostly street driving and some drag races on the streets. Which one would be the best bang for the buck? HKS goes for about 4-5k and Bushcur ones cost about 2500. Is there that much of a difference? Lets say with some basic mods and I get about 350whp from stock turbo, what if I uprgade just the turbo with the same mods what hp numbers of a increase will I see?

 

If you get cams go for 264 for street driving. I heard they are better all around.
Bigger turbo = lot more HP = lot more lag. Not the best for daily street driving. Look at Vishnu's car, it did very well in performance but Car and Driver gave it a poor rating for drivability mostly due to turbo lag.
Now if you go with the 2.4L + bigger turbo, it should spool up like stock.

 

were in the same boat man,im working on making streetable power.im running the hks 264/264 right now with the usual bolt ons.idle is good then there's the occasional dip after some long driving.work on your exhaust,boost,and supporting mods with tuning.

 

why do you care about bad idle? if everything is setup right it's not like you'll stall or anything, it just sounds lumpy... so the difference between the two? lots of hp! how much hp do you wanna make? i say 380 is good... so something like a 3071r will get you there with possibly faster than stock spool if you got the right supporting mods. if you go bigger displacement you'll prolly have to go bigger turbo, otherwise the turbo will be the main restriction. keep in mind the hks kit is made for huge hp numbers for a race track that doesn't care too much about lag. wouldn't say it's the worst out there but you wanna be able to use your car, iunno... i'm not a fan or drag racing...

 

Thanks for the replies but im still looking for the answer on the cams. 264 vs 272 whats the difference? Which would be more suitable for street driving?

 

I'll go with the 264 but if you can't decide, go with Works 269. I believe with bigger cams = more HP but = poor gas milage and lumpy idle (which would bother me).

 

I thought 272' would work better towards higher rpm and 264's would be opposite? How much hp difference would I see between the two cam shafts?

 

264s are ideal for street and some track (especially autox). 272s give rough idle and put the power higher up in the RPM range (ideal for bigger turbo and 1/4 mile). I have the 264s and the idle is not bad at all, especialy with the Dynoflash idle flash. Just about smoth as stock and I actually have better gas milage than stock after the tune.

Tuning is key though. You can't just get intake, cams, and exhaust and not retune the fuel curve. But yes, I would suggest the 264s for streetability.

Good luck!

 

Correct me if I am wrong but you did get 264 intake and exhaust correct? I believe there were some guys who use 264 and 272?

 

you could do a 264I/272E combo. good idle but better up top.

best power out of the 272's though

 

There has to be some pros and cons with that setup compared to lets say 264 for intake and exhaust? I read in another thread that people were confused as to which cams would be better, 264I and 272E or 272I with 264E.

 

I used 264/264. I talked to Al from Dynoflash extensively when I was planning my car and he told me that is the best way to go. No cam gears necessary, and there is only very very minimal gains by going 264/272 or even 272/264 (like 1-2 HP). The 272 combo put the power were I didn't want it and increased lag.

 

As compared to the 264/264 set, a split set (e.g. 264/272) will give virtually identical power numbers, with a slightly earlier spool time (~150rpm) and a very slightly choppy idle.

As for the differences between the 264/272 and 272/264, they seem to be very minor, to the point of being almost insignificant...certainly smaller than the already small difference as compared to the 264/264 setup. The primary reason for the difference between the 264/264 and either split setup appears to come from valve overlap, and it seems not to make much difference as to which valve the longer duration is given.