turbo size?
21-12-2005, 06:14 PM
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turbo size?
what are the sizes of t34 turbo available?
seems to be alot of variants out there!
what is the size of the std large turbo ecos one?
seems to be alot of variants out there!
what is the size of the std large turbo ecos one?
22-12-2005, 07:53 AM
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I have a t34 with a .48 exhaust housing. When it was set up i was told if you wanted lower down acceleration then it was well better. You wouldnt feel any benefit on a bigger size under probably 100mph, then the .48 starts to run out of steam.
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22-12-2005, 10:02 AM
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I know what u mean mate but i think after 100mph a .63 housing would be better. Ive tried both and the .63 feels well stronger later on, it cant match the punch of the .48 tho... What .55?? didnt know there was one. How does this compare?
22-12-2005, 10:06 AM
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hmmmmn yeah I will tell you what I think once I have tried my .48... 
I havent really had alot of feedback re the .55 so couldnt comment, I would presume as there arent many specced with them they are semi pointless, ie go for a .48 or a .63...
I havent really had alot of feedback re the .55 so couldnt comment, I would presume as there arent many specced with them they are semi pointless, ie go for a .48 or a .63...
22-12-2005, 10:26 AM
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I was looking at changing to a .63 in the new year but cant decide. Currently on light blues with a .48 but lookin at goin to grey with cams. Did u mean if you have headwork/cams then u need a .63
22-12-2005, 10:43 AM
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If you want above 380-390, then yes a .63... on greys, but to go much above that ( ideally even at that stage) power wise you really need to look at headwork/cam(s) IMO
22-12-2005, 10:55 AM
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As mentioned above... TBH I didnt ask for it and there was nothing wrong with my .63
I found out on Dyno day...
I wasnt overly impressed as I also paid Ł325 for a turbo overhaul (inc 360 bearing)
and lost the .63...
Harvey has told me he will swop it back to a .63 for free if I dont like it
I will see what I think... If it does run out of puff higher up. It WILL be coming off..
I found out on Dyno day...
I wasnt overly impressed as I also paid Ł325 for a turbo overhaul (inc 360 bearing)
and lost the .63... Harvey has told me he will swop it back to a .63 for free if I dont like it
I will see what I think... If it does run out of puff higher up. It WILL be coming off..
22-12-2005, 10:57 AM
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I should also add, I spoke to Harvey personally about this and have told him EXACTLY how I felt so I'm not saying anything he doesnt already know direct from me
22-12-2005, 10:59 AM
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Originally Posted by DaveEscos
it will run out of puff mate 
We'll see, I used to like the drop to 4th at 80-90 floor to 6/6.5k, pull like a train into 5th keep pulling, IF it doesnt have that as I say it will come off
22-12-2005, 11:05 AM
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If you look at my dyno prints
It pulls MAX power at 6.5k RPM
Though MAX torque at just under 3K then tails off...
HOW this will compare on the road to my .63 Time will tell....
I would be intersted in seeing a T34 with a .63 dyno print to compare...
Post yours up Dave, Obviously its ALOT different to mine but be interested in looking again
It pulls MAX power at 6.5k RPM
Though MAX torque at just under 3K then tails off...
HOW this will compare on the road to my .63 Time will tell....
I would be intersted in seeing a T34 with a .63 dyno print to compare...
Post yours up Dave, Obviously its ALOT different to mine but be interested in looking again
22-12-2005, 11:07 AM
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When you try it you may change your mind, yes it will lose top end power but lower down its sooo much better. Im in the opposite corner id like more top end but not sacrificing the low down kick.
22-12-2005, 11:09 AM
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I believe the other reason Harvey specced it with a .48 as opposed to .63 is because as you know it was imperative to me the engine was SAFE.... SAFE, SAFE, SAFE... that was MORE important to me than bigger power.. so with a .48 it liits power and the ammount of boost pressure it FLOWS )not level)
22-12-2005, 11:11 AM
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Originally Posted by adam@quikshift
When you try it you may change your mind, yes it will lose top end power but lower down its sooo much better. Im in the opposite corner id like more top end but not sacrificing the low down kick.
mine is 1 PSI less..
22-12-2005, 12:13 PM
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Thats not what i was expecting.... Not a lot of benefit in .63 unless you rev the sack out of it. When do you get to drive your car then with the smaller housing? Waiting on results 
29-12-2005, 01:47 PM
#37
Originally Posted by adam@quikshift
Just like to add, if the .63 car runs nearly 420bhp then surely it must have a fair bit of cams/headwork?
A 0.48 is the BEST compromise - the 0.63 is more focused (and a waste of time on a Stage III
).
03-01-2006, 09:39 AM
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A 0.48 is the BEST compromise - the 0.63 is more focused (and a waste of time on a Stage III ).[/quote]
So are you saying if the car has had cams etc its better with a .48? I would have thought it was the other way around. Got me thinking now...
What about greys compared to light blues? Would this warrant a bigger housing?
).[/quote]So are you saying if the car has had cams etc its better with a .48? I would have thought it was the other way around. Got me thinking now...
What about greys compared to light blues? Would this warrant a bigger housing?
03-01-2006, 06:50 PM
#39
No, I'm saying that you won't make full use of the bigger housing with green injectors (stage III). So if you're staying with these, then there is no point going to the bigger housing, as you will have more lag and not be able to make use of the the extra top end the 0.63 gives, because the injectors will run out of duty cycle.
03-01-2006, 06:54 PM
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Originally Posted by Mike Rainbird
No, I'm saying that you won't make full use of the bigger housing with green injectors (stage III). So if you're staying with these, then there is no point going to the bigger housing, as you will have more lag and not be able to make use of the the extra top end the 0.63 gives, because the injectors will run out of duty cycle.....