Which has more low end torque? The TPI/Super Ram or the LT1 intake. I realize the Super Ram gives up a little low end compared to the TPI, but don't both intakes make more torque than the LT1 intake??

 

TPI due to the extremely long runners.....falls on its face up top tho...

 

I should have my LT1 intake on my car this week. I'll let you know what I think.

 

i would have to say after playing with all three that the stock tpi will make more torque ,the lt1 intake will make more hp and in the middle the super ram will do both.
and if you just change the runners to slp runners it will give you a little more uper rpm hp.

you can check out my simple page at:
http://darcom.org

 

I'm just trying to find a way to give more torque to this LT1 I'm going to install. Almost everyone I've talked with says that the LT1 intake is far better than the Super Ram, but I've also heard that the Super Ram provides far better torque lower down that the LT1 intake.

 

Neither is "better". It is all about where you're powerband is going to be (cam, heads).

You want more torque for your LT1 intake... just keep modding

I wonder if someone will ever fab an LT1 intake to Head spacer... for a longer runner and more low end torque. Doesn't seem like a bad idea.

 

direct results from a member of www.sethirdgen.org the swap was even featured in popular hot rodding.

article

superram to LT1 swap

 

Agree, both intakes are great and so is HSR, all intakes can make good power, its where you want the power that decides what intake/cam/head combo you should get.

/N.

 

Its not necessarily that they make more torque, its that the short runner LT1 intake, HSR, and miniram move the peak up in the powerband. So low end torque will be higher w/ a SR and a TPI setup.

 

Thanks guys for the input. That dyno sheet you posted mrr23 proves that the Super Ram has more torque than the LT1 intake. I'm not converting a TPI over to an LT1 intake though. I'm converting my LT1 over to a Super Ram...Thanks!

 

Whoa whoa whoa... don't do that. Why would you pull the LT1 intake off an LT1???

LPE made a SR for a LT1, but it never hit production b/c it made no difference in power really... Keep that intkae on the LT1 motor...

 

I remember reading a tech article not too long ago about that involved a Super Ram to LT-1 intake swap. The Super Ram pulled a much better 60' than the LT-1, but by the 1/4, the LT-1 was almost even. Perhaps John can chime in here with the details.

 

That may be true, but I think Matt was trying to say that he was gonna pull an LT1 intake off a LT1 motor, and then put a SuperRam on it, which isn't possible w/o the use of the LT1 SR that LPE worked on at one point, but never really produced...

 

I'm stubborn! I'll stick with a high-flow TPI setup and still make plenty of power (even upto 5,500 r's - where I shift).

 

mmr23 already posted the link to the dyno results of the Superram vs. LT1 intake. It was in the Aug 2003 issue of PHR.

http://www.popularhotrodding.com/tech/0803phr_beast/

 

The current part numbers for the LT1 SR that was never produced are: 74197L for the manifold and 74196F for the plenum/runner kit. Contact any Accel dealer for pricing.

 

They made them and sold sold them. The LT1 guys fight over them when they pop up on ebay. LPE pimped them for use on their 383 cars when an automatic trans was going to be used. I still remember that black 4thgen Formula LPE built that some mag guy (Shroeder??) totaled on a dry lake bed. It had one of the LT1 SR's and made a crazy RWHP number.

Personally, I wouldn't bother with the swap and I own a SR.

 

Have you had that thing on a dyno or raced it yet?

 

Raced it plenty of times!! Soon as tax refund comes in, it's going straight to the dyno.

 

This is from a modded 396ci engine. As they said, it depends on application.

 

1bad91Z: How's your car pull? I was thinking about the sdpc tpi crate engine, but kept getting pushed around idea's...ls1, lt1...etc...In my honest opinion, I think tpi would be the easiest of all the swaps (considering, that's what it's meant to be)...How do you think w/ all your mods, your car performs?

 

The car pulls REAL hard till about 5,300 ~ 5,500 or so. I'm really happy with it!

I've put 4 - 5 car links on an '02 Z06, shutting it down about 120mph. I've also raced two '03 supercharged Cobra's and beat them both by 6 - 8 car lenths (all 3 were red light races from a stop till about 110 - 120 mph).

I've also raced and beat a Saleen S281 supercharged mustang by several car length's, but the Saleen wasn't as fast as the above cars. The Z06 and those 2 Cobra's were the quickest cars I've raced so far.

I can't wait till my refund comes in cause I've been wanting to dyno the car for a long time. Hopefully soon!!


I think the SDPC vortec TPI crate motor is a very good choice for a thirdgen F-body. It also makes more power than an LS-1. But, an LS-1 in a thirdgen would be fun too!!

 

What kind of MPH are you pulling?

 

Obviously it will go faster, but from that quote it sounds like he likes to stay under 120 most the time, right mike

I can vouch Mike's setup, that thing hauls *****! I just got to ride around in it today and even without the proper rear end gear it can really move.

 

So no one's behind me on this idea? I still think I'm going to do it though. I'll start out with an LT1 intake, and see how it responds to mods, then I'll do the Super Ram swap, and see if there's any difference...

 

you should swap the LT1 intake for the HSR since they already did it for the LT1 and SR... it'll be cheaper than the SR, and can be used as a reference for other people

 

Ohhh, so no track numbers yet. I can't wait to see the results once it's tuned and run at the track

 

Just got my car running and all figured out for the most part, but all I can say is that the miniram kicks the superrams a$$, when used properly. I swear, my car is faster than any superram/ tpi N/A motor of 383ci or less on these message boards. And don't worry, I'll have videos in less than a week thanks to my new Mavica Sony camera, and I'll also have dyno #'s in a week or so. And after that I'll have some real low 11 sec timeslips at around120+mph when the track opens. I'm not trying to sound cocky, but this thing feels like my SR/afr/219 setup only with a 200hp shot of n02. I'm not worried about new vipers or anything with this setup. This engine sets the car sideways at 70mph in second and I'm running pretty big sticky tires, Yoko A520's 245/40/17's.

Joe