Who's gone from a T34.63 to a T38?
14-09-2009, 11:26 AM
#1
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Who's gone from a T34.63 to a T38?
What difference did you notice?
How much later did it spool and reach full boost?
Did you lose any driveability/low down responce around town?
What power/torque did you gain?
Any rr graphs I can see?
Any1 with a similar spec?
8-1CR
24.5mm ported head
bd10ex bd14in
greys
4x4 inlet with 10mm spacer
msd chipped
running 2bar now and probably will stay the same on the T38.
currently on a T34.63 but thinking of going to T38
How much later did it spool and reach full boost?
Did you lose any driveability/low down responce around town?
What power/torque did you gain?
Any rr graphs I can see?
Any1 with a similar spec?
8-1CR
24.5mm ported head
bd10ex bd14in
greys
4x4 inlet with 10mm spacer
msd chipped
running 2bar now and probably will stay the same on the T38.
currently on a T34.63 but thinking of going to T38
Last edited by stu21t; 14-09-2009 at 11:28 AM.
14-09-2009, 11:35 AM
#4
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I went from a T34.48 To a UT T38 on my saff and i have tbh i hated it, laggy as fook, made horid torque but that may of been a cam issue, wasn,t nice at all.
Made 456bhp mind you, BUT didn,t come in until around 4400revs...Grrrrrrrrr
Torque was only 347 which when i think i had 363ft/lb on my T34.48...
I,d consider a GT3071 if i was to change, or be looking again...
Made 456bhp mind you, BUT didn,t come in until around 4400revs...Grrrrrrrrr
Torque was only 347 which when i think i had 363ft/lb on my T34.48...
I,d consider a GT3071 if i was to change, or be looking again...
14-09-2009, 12:38 PM
#5
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The reason I'm looking at a T38 is it won't cost me any money, I'm swapping it for something I don't use.
And it's a direct bolt on, GT30 will cost a small fortune.
I had a T38 a while ago and thought it was very laggy but since then I've had a rebuild to a better spec engine so didn't know how this would effect it.
I think I will fit it and see how it drives before I make up my mind.
And it's a direct bolt on, GT30 will cost a small fortune.
I had a T38 a while ago and thought it was very laggy but since then I've had a rebuild to a better spec engine so didn't know how this would effect it.
I think I will fit it and see how it drives before I make up my mind.
14-09-2009, 12:54 PM
#7
I was running a T38 on my 4x4 saph with greys, ported head, standard cams and compression ratio and tbh I really liked that setup! Ok, if you got caught in the wrong gear, it could be a bit laggy but overall I thought it was a good setup.
Only changing it due to going for a rebuild and more power!
Only changing it due to going for a rebuild and more power!
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14-09-2009, 01:02 PM
#8
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Since I had one I've now got a ported head, cams timed properly and a decent setup/map. Also got antilag which will help lol
didn't want it to be unresponsive and crappy round town tho.
didn't want it to be unresponsive and crappy round town tho.
14-09-2009, 05:26 PM
#15
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With a good spec engine they,ll do 460-470max..
Mine did 452 if you remember on my saff, YUM made 466 and Sheady said that,s the higest he,s seen on a T38.
My torque was a joke though, only 352ft/lb, i had more on my T34.48..
MIND YOU i think if i,d of changed my cam/s it would of given me abit more...
14-09-2009, 05:28 PM
#16
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I found more lag from changing from a T34 .48 to .63 than from changing to a T38, to be honest the only difference i noticed was that it pulled like a twat to the limiter. After going in my friends 500 i wouldnt even compare it to a T4 lag wise.
14-09-2009, 05:31 PM
#17
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well i went to pick it up this afternoon, picking it from some1 thats been storing it for a ma8.
he gave me a std t3. lol
rang my m8 after leaving and hes a bit worried now, said he left a std t3 that was fooked, a t38 in a box and a t34 fitted to his car they are storing.
they didnt know what i was on about
so now i gotta wait till sat for him to get there and have a look about.
he gave me a std t3. lol
rang my m8 after leaving and hes a bit worried now, said he left a std t3 that was fooked, a t38 in a box and a t34 fitted to his car they are storing.
they didnt know what i was on about
so now i gotta wait till sat for him to get there and have a look about.
14-09-2009, 05:34 PM
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Kev,
With a good spec engine they,ll do 460-470max..
Mine did 452 if you remember on my saff, YUM made 466 and Sheady said that,s the higest he,s seen on a T38.
My torque was a joke though, only 352ft/lb, i had more on my T34.48.. MIND YOU i think if i,d of changed my cam/s it would of given me abit more...
With a good spec engine they,ll do 460-470max..
Mine did 452 if you remember on my saff, YUM made 466 and Sheady said that,s the higest he,s seen on a T38.
My torque was a joke though, only 352ft/lb, i had more on my T34.48..
MIND YOU i think if i,d of changed my cam/s it would of given me abit more...Mine was just short of 400 ft/lb
14-09-2009, 05:39 PM
#20
saff is working!!!...atm
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i had a t34.48......now have a ut t38........love this turbo....very smooth,pulls right up the revs and makes good power n torque never had a t34.63 but my t38 is on full boost (31psi spike) at 3700rpm....and i'm not running it to it's full potential.......
14-09-2009, 05:48 PM
#21
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Remember that well Dave, i think your car was ace at that Spec too,.....
It,s awesome now don,t get me wrong like...
but it was a good allround package/weapon on the T38....I must be the only one who hated this turbo....
Mind you, Mark hated it when he mapped it too....
14-09-2009, 05:51 PM
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Remember that well Dave, i think your car was ace at that Spec too,.....
It,s awesome now don,t get me wrong like... but it was a good allround package/weapon on the T38....
I must be the only one who hated this turbo....
Mind you, Mark hated it when he mapped it too....
It,s awesome now don,t get me wrong like...
but it was a good allround package/weapon on the T38....I must be the only one who hated this turbo....
Mind you, Mark hated it when he mapped it too....
Think after driving it on Donnington yesterday it the best its ever been, cant wait to get it booked in to Simpsons now to get the exhaust sorted then more track days
14-09-2009, 05:57 PM
#24
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Had fun over the back of the track, and coming down that straight before pit straight, got some good speed down there
I didnt want to piss of the marshals to much
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