11-28-2012, 06:07 PM
|
#77
|
  |
|
Re: ATP Wastegate Swingvalve?
|
|
Legendary Driver
Join Date: Jan 2004
Location: Spokane, Wa
My Ride: 85 GLHT, 87 ShelbyZ,
Engine: 2.2 T2 and 2.5 T2
Induct: Turbo
1/4: 13.882
|
Yea specially when you add all the good stuff to it. You know, like GT30R with .82 exhaust housing, oversize valves, upgraded dual springs, Ti retainers, aluminum adjustable cam gears, External Tial WG, Oliver billet steel 6.180" rods, Custom JE's for said rods and head. But it should be one bad Mofo :)
 Quote:
|
Originally Posted by rockslinger
I have never run a tu 3", but GLHNSLHT2 has and he said that his tu 3" didn't really build up boost with the wg flapping in the breeze. With the wg unhooked and flapping in the breeze on my mini I started building boost at apx 3500 rpm and hit the 14.7 psi over boost 1000 rpm later. Now that was before porting the wg hole mind you. That is why it is a must to port the wg hole for 2 bar users and a suggestion for 3 bar users. Makes the boost quite a bit more controllable.
|
  |
Well in reference every non-stock SV I've used has had the WG hole ported at time of install. My Turbonetics 2.5" was opened up to 1" as the flapper was 1.125" and when I put the TU on I went to a 1.125" hole as the flapper was 1.250 in diameter. So even if I did get a flow increase with the SV's the hole was ready for it :) Even my next setup get's a step up in the WG hole size, to 1.732" :) which is the same size as what the stock hole was feeding the turbo on it :)
Though I still think the ATP piece flows much better than the TU piece.
 Quote:
|
Originally Posted by cawcislo
Never had any boost issues with the Super 60 and 3" Swingvalve. There was quite a hit when the boost came on, you could really feel when 18 psi hits. The car hasn't been driven much over the past 3 years and when I took it out this year I had boost issues (wouldn't boost more than about 6 or 8 psi. Not sure if my wastegate or actuator aren't working properly, but I've got a rotten floor/rocker panel to fix first before I get to that. I really hope to drive the thing more next year and hit the drag strip again for the first time in probably 4 years. Hopefully with the suspension rebuilt, and the ATP swingvalve mod completed I can get into those low 13's I've been working towards for like 10 years :-)
|
  |
Get rid of the Cummins i/c
__________________
|
|
|