# T76-T78

**URL:** <https://forums.speedlife.net/t/t76-t78/254956>\
**Category:** Shift518 Automotive\
**Created:** [October 8, 2010, 10:02pm UTC](https://forums.speedlife.net/t/t76-t78/254956 "2010-10-08T22:02:40Z")\
**Posts on this page:** 1\
**Showing post:** 15

<div class="post-metadata">

**Author:** ![imported\_hybrdthry91](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/imported_hybrdthry91/32/6315_2.png) [@imported\_hybrdthry91](https://forums.speedlife.net/u/imported_hybrdthry91)\
**Post date:** [October 9, 2010, 1:00am UTC](https://forums.speedlife.net/t/t76-t78/254956/15 "2010-10-09T01:00:16Z")

</div>

> [@Holy shit 540 guys grandmas house](https://forums.speedlife.net/t/holy-shit-540-guys-grandmas-house/35669/30):
>
> the GReddy t78-t88 turbos were not actually 78 or 88mm.
> 
> the T78-33d(most common T78) was a 65.8mm inducer aka T66 in the garrett/pte world
> 
> the T88-34D = T70 in Garrett spec.
> 
> both still quite sizeable. but such dated turbochargers by todays standards.
> 
> loads of supra guys are still running 76mm turbos though, with the new Billet 76 from precision, and garretts new billet wheels…
> 
> even the new precision 71mm Billet. its making over 900rwhp. pretty amazing for a smallish 71mm

even the new 67mm’s make 900whp now its unbelievable. soon the outlaw cars will be running 62mm units.

---

_[View the full topic](https://forums.speedlife.net/t/t76-t78/254956)._