What to expect from a T-trim Upgrade?
What to expect from a T-trim Upgrade? Hey, I just got 501rwhp/470rwt from my healthy-breathing 383 with a V-2 SQ S-trim, running at a max of 7.2# of boost after the FMIC and throttle. I'm going to upgrade the head unit to a V-2 SQ T-trim. Any ideas what I can expect for power after the upgrade? I'm all forged and have plenty of headroom in my fuel system, so I expect to be able to crank up the boost a bit to 10-12# or maybe even higher.
Also, any idea of the market value of a used V-2 SQ S-trim with <6K miles on it?
Thanks,
Jim
Also, any idea of the market value of a used V-2 SQ S-trim with <6K miles on it?
Thanks,
Jim
Went from 520 to 650 G trim to T trim with a 2.95 pulley. Have a 2.75 but I want to lay down some new numbers with the 4l80 now and go from there. The 2.95 pulley showed 11 psi. So Im expecting 13 to 14 psi with the 2.75 and my tensioner set on the third hole instead of the second to control belt slip.
JM, thought you were going turbo??? I don't see it in your sig anymore 
Btw, it looks like RMCR has sent out the remainder of the parts I need for my install. I'll be bolting up the T-Trim soon as well
Btw, it looks like RMCR has sent out the remainder of the parts I need for my install. I'll be bolting up the T-Trim soon as well
BTW, my 383 was running these numbers through a Hughes built 4L80E and a Hughes 2800-rated lockup converter.
Thanks for the other info everyone.
JMBLOWNWS6, those are great numbers, that thing must be a rocket...
Jim
Thanks for the other info everyone.
JMBLOWNWS6, those are great numbers, that thing must be a rocket...
Jim
Originally Posted by ss1
JM, thought you were going turbo??? I don't see it in your sig anymore
Btw, it looks like RMCR has sent out the remainder of the parts I need for my install. I'll be bolting up the T-Trim soon as well
Btw, it looks like RMCR has sent out the remainder of the parts I need for my install. I'll be bolting up the T-Trim soon as well
Because I can have the turbo kit on the same day as I take this off Then its a matter of adding a 3 bar map,versafueler and bigger injectors and its all up to HP tuners to go the rest of the way 
Originally Posted by DeltaT
BTW, my 383 was running these numbers through a Hughes built 4L80E and a Hughes 2800-rated lockup converter.
Thanks for the other info everyone.
JMBLOWNWS6, those are great numbers, that thing must be a rocket...
Jim
Thanks for the other info everyone.
JMBLOWNWS6, those are great numbers, that thing must be a rocket...
Jim
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Originally Posted by 2001WS6Vert
My underachiever made 575 rwhp on a 418, 4l60e at 11lbs. with the 2.75 pulley. MelloYello made appr.650 with a 6 speed Vette.
Wait you said thru 418 cubes? JMBLOWNWS6,
Are you running a Raptor or instead something local?
Has it been reliable for you? What was done to it?
What fluid are you running... anything else you can think of.
Thanks,
Jim
Are you running a Raptor or instead something local?
Has it been reliable for you? What was done to it?
What fluid are you running... anything else you can think of.
Thanks,
Jim
Originally Posted by DeltaT
JMBLOWNWS6,
Are you running a Raptor or instead something local?
Has it been reliable for you? What was done to it?
What fluid are you running... anything else you can think of.
Thanks,
Jim
Are you running a Raptor or instead something local?
Has it been reliable for you? What was done to it?
What fluid are you running... anything else you can think of.
Thanks,
Jim
You mean the T trim kit? Yea no problems and every time the belt slipped I just moved in down a hole on the tensioner. Fuild as oil? Mobil regular 10-40w for breakin. My last forged engine bit the dust. But thru this install I found out that the oil pump didnt look so good. And it was very ruff. But it had oil pressure still so its still a mystery to me
Caveman made 650 unlocked with his T trim and I think he was only pushing around 10-11 lbs. His has a fully built 382 all bore with AFR heads, 230/236 cam.
If I can find a used T trim kit I'd slap it on my car in a heartbeat.
If I can find a used T trim kit I'd slap it on my car in a heartbeat.
I'm wondering about what pulley size to go with on the T-trim. I know that NAVY's sig says he's making 12psi with a 2.85" pulley, AFR 225's, and 1-7/8" headers, not sure what size engine he's running. JMBLOWNWS6 is at 11psi with a 2.95" pulley and 346 (?). 2001WS6Vert is at 11psi with a 2.75" on a 418. All of these numbers seem to be in order and should give you a good idea of what to expect. I guess you could always figure ~20-30hp per psi of boost.
Right now the one on the blower I bought is a 2.75", I know that is the smallest RMCR recommends because the max impeller speed is less than the G-trim. Luckily when I bought my car it came with a couple of larger pulleys. I'm afraid that 2.75" on the T-trim will scatter my little 346
Right now the one on the blower I bought is a 2.75", I know that is the smallest RMCR recommends because the max impeller speed is less than the G-trim. Luckily when I bought my car it came with a couple of larger pulleys. I'm afraid that 2.75" on the T-trim will scatter my little 346
Last edited by ss1; Oct 20, 2006 at 09:48 AM.
Originally Posted by ss1
I'm wondering about what pulley size to go with on the T-trim. I know that NAVY's sig says he's making 12psi with a 2.85" pulley, AFR 225's, and 1-7/8" headers, not sure what size engine he's running. JMBLOWNWS6 is at 11psi with a 2.95" pulley and 346 (?). 2001WS6Vert is at 11psi with a 2.75" on a 418. All of these numbers seem to be in order and should give you a good idea of what to expect. I guess you could always figure ~20-30hp per psi of boost.
Right now the one on the blower I bought is a 2.75", I know that is the smallest RMCR recommends because the max impeller speed is less than the G-trim. Luckily when I bought my car it came with a couple of larger pulleys. I'm afraid that 2.75" on the T-trim will scatter my little 346
Right now the one on the blower I bought is a 2.75", I know that is the smallest RMCR recommends because the max impeller speed is less than the G-trim. Luckily when I bought my car it came with a couple of larger pulleys. I'm afraid that 2.75" on the T-trim will scatter my little 346
T trim on a stock bottom end will be ticking time bomb.
I agree with Stevie Turbo go with a YSi if you can. I wanna throw one on my car with spray.
Originally Posted by ss1
That's what I expect anyways. Curious to see how long it will hold up. I only drive the car a few thousand miles during the summer anyway.