ABeasst

iTrader: (5)

I'm building my 408 and have a good line on some PT70s .81 A/R p-trim turbos and was wondering what everyones thoughts on them were. My basic setup is below:

-iron block 408
-Lunati crank
-Lunati pro-mod rods
-ETP 245 or AFR225 heads
-6-spd w/ 3.42 gears
-C6 manifolds flipped forward
-4.5" Procharger stood up vertical (until I max them out then a big single)
-either 67s or 70s

I realize that this is enough turbo to push me into the 8s but I'm not as concerned with the track as I am the street. However I will be pushing it hard for 9s with the 6-spd.

Firechikn

iTrader: (15)

A friend made a little over 1000 to the wheels with twin 70's at 21lb on his 408. Although, his intercooler was a big restriction, just like that procharger intercooler will be.

ABeasst

iTrader: (5)

when was he seeing full boost?

EARTH MOTORS

.81 housings are a little lazy on the street ,I have .58 housings on a 408 its a little to quick to spool ,now trying .68 housing my new test a couple of mounths i will have results ,difernt cam in each motor that could be some of the differnce jim.

ABeasst

iTrader: (5)

yea I had talked to a couple people and I'm looking at .68s

Firechikn

iTrader: (15)

I can't remember the ar of the exhaust housing. Spool was no problem. If he kept the car, the plans were for 2 st70-74's from F.I.

Willem @ Fuel Injection Concepts

iTrader: (2)

i would run at least .68's.. but personally i'd run the .81 housings

Pro Stock John

iTrader: (34)

LastLS1 is running low 8's with a 408ci + twin 72's or 76's.