Largest BT?

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Mar 29, 2007 | 06:42 PM

HeIsAudiHere

Thread Starter

1st Gear

Joined: Mar 2007

Posts: 25

Largest BT?

How big of a BT have you heard of people using on a A4 with the 1.8?

I am curious.....

Mar 29, 2007 | 06:46 PM

cincyTT

I'm make believe

Joined: Dec 2006

Posts: 17,587

From: In my head

RE: Largest BT?

some one on vortex has a gt35r on his. That is as big as you can really go for a street car. Boost doesnt come in untill almost 6k.

Mar 29, 2007 | 07:37 PM

VB05

3rd Gear

Joined: May 2005

Posts: 2,413

From: New Jersey

RE: Largest BT?

Tom Ritt put a Holset turbo on his 1.8t, they're the turbos that are meant for like huge turbo diesel engines

https://www.audiforums.com/m_352992/tm.htm

Mar 29, 2007 | 07:42 PM

Flip

Senior Member

Joined: Sep 2006

Posts: 2,634

From: Lancaster, PA

RE: Largest BT?

I too have seen a GT35R on a 1.8T but the biggest I would go for a street car is a GT30.

Mar 29, 2007 | 08:55 PM

BaconBait

Site Moderator

Joined: Aug 2004

Posts: 4,356

From: Jersey (orig. NorCal)

RE: Largest BT?

GT35R. There's a few guys running them on VW's and Audis. You better build the motor if you go that big.

For stock internals, that biggest I've heard is a T3/4.