i've been scratching my brain trying to figure out why summit has the holley stealth ram for $2k+. it comes with everything out the door. all wires. sensors. data logging crap. injectors. tb.

meanwhile, over at thunder racing, you can get the base, plenum, and fuel rails out the door for about $500. this is only $100 more than the lt1 intake conversion!:lala:

now, my only problem is deciding which one to go with. the hsr i'm guessing is meant to be for 350+ ci engines. i'm a lowly busted 305 for now.

i'd hate to get the lt1 intake and then have it leak and all, when i could've had the hsr for $100 more without that problem.

otherwise, gotta figure out which one will work best in the power range that i'm looking for, which is about 1500rpm-6000rpm.

jsut thought i'd share that.

 

Ummm....

The stealth ram intake has been availble thru summit for about a year.

From the stick FAQ above.

https://www.thirdgen.org/techbb2/sho...hreadid=114308

https://www.thirdgen.org/techbb2/sho...38#post1183338

 

Quite a discovery. Next maybe someone will invent a round object to make carts move easier than dragging...

(PS that's a "reinventing the wheel" dig at ya for not reading the FAQ)

 

Haha oh boy

 

By the way, its even cheaper than making the LT1 intake conversion RUN (requires extra parts than just the conversion itself)


I have done the conversion, if you're good with a die grinder, some epoxy, maybe a TIG, its awesome, I love it, but for ease of install, compatability, etc etc.... maybe the HSR is a better sollution, as of now I haven't seen good comparisons of monster HSRs to the masses of fast LT1's but I dont doubt the HSRs capabilities.

 

i don't come here much.. lol

 

Either LT1 or HSR, I don't think you would like the results of them on a 305. Get a larger engine and then use one of them...

Just my .02$

 

I hate to tell you to get a bigger engine, but if you go for a short runner intake like the LT1 or HSR, your going to need more cu. in. Otherwise you'll have to spin the 305's brains out to make good power.

 

If you've got a fairly well built 305, I dont see any problem with an LT1 intake on it

 

Ron put a LT1 on his 305 and he says it feels strong, a lot stronger then tpi did. Im not sure, but i belive hes getting it dynoed soon along with some runs at the track. Look for the thread on this board.

 

Granted maybe N8MAN1068 doesn't come here enough (like the 5-6 times a day that I browse ) but excitement over performance parts is very good...remember...positive reinforcement.

Here...have a cookie


Thread content: I would think that the 305 shouldn't be stock and throw a HSR or LT1 intake on it...but if it has good exhaust (headers, full catback) and a cam/head combo.

 

Positive reinforcement?

Thats like feeding coke to a junkie

 

I wish I could disagree with you...but I have a garage full of performance parts that actually call to me in the middle of the night... install me, be merciless to me on the street....

I almost can't sleep some nights

Thread content: After thinking about this some more...I would even be inclined to not throw a HSR or LT1 on a stock L98...I know the dyno #'s, but the loss of torque on the L98 down low is a tough enough deal, not to mention on a 305...

 

GM put a varaition of the LT1 intake on a 4.3 V-8 (L99) so why would it be bad on a 305 (5.0 V-8)?

 

How "flow limited" is the variation?

I see where you are coming from John and also, if someone plans to mod the 305 in the future, sticking the Lt1 intake or HSR (or even a Miniram) on it now isn't a bad deal, IF it is part of a future complete engine combo, but not as just an intake swap.

I am not against either intake (as I own an HSR), but it is analagous to putting a Single plane carb intake on a 305...wouldn't a dual plane be a better deal unless the 305 is really built well like I mentioned above?

 

do you have any pics of this LT1 intake for 4.3? does it say "VORTEC" on top of it? if so, my brother has it on his 4.3 in his blazer. not to knock you john, but the 4.3 is really 3/4's of a 350. But i agree that i would only put a LT1 on a mod'ed 305, and not stock due to massive torque loss.

 

I have just installed an LT1 intake, its a 355, but I dont believe the "loss of torque" as I have a harder time keeping the tires down than ever. There's a loss of the SPIKE that tpi has, where you get a strong torque hit down low, and then a sharp fall off, now its a plateu of constant smooth power, i wouldn't be afraid of putting it on a 305 if i had one.

 

The 4.3 John is referring to is known as the "baby LT1".....damn near identical to the LT1 on the outside, but just smaller displacement. It used the LT1 style intake as well. It's a V-8.

The Vortec 4.3 is a V-6.



HTH

 

All this talk about "loss of torque" down on the low RPMs is true on paper, but after proper tuning, that "loss of torque" can easily be forgotten for the gain in HP at the upper rpm.

If you wanna put an HSR/LT1 on a 305, I say go for it. Granted, I do think that it'd be better on a 350, but take the time and effort to get it tuned and I think you'll be happy with it.

I have the HSR on my 350, and eventhough it's not stock, I can say that I haven't missed the "loss of torque" on the lower RPM. I'm sure I did lose some, but when you start to feel the car pull to 6000RPM with ease (still running 3.27 gears), you too will see the light. I had an aftermarket TPI setup (accel runners, edelbrock base, 52 T/B), and I'm glad it's gone.

 

Hey age,

I still stand by my position....

Tuning alone won't fix the problem on a stockish 305...or a 350 for that matter...a combination of good parts and tuning is what is required...Also, I have learned from driving performance vehicles daily (read daily driver) that a broad torque curve is preferrable to higher RPM horsepower...the car will be quicker...and if you can get a broad torque curve to 6000 rpm, good for you.

Is your 350 otherwise stock? Because the heads/cam/exhaust on a stock L98 don't make good power up there...

Build an engine around the heads, not the intake and that will be the best deal...

 

I'll be putting the LT1 intake on my basically stock 305 in a few weeks. I've got all of the parts either in hand or coming, except the spacer needed to fit the distributor. (trouble finding the right aluminum stock to mill it out of)

I'm mainly using this as a learning experience towards tuning a larger motor (perhaps a 400+ stroker) running the same basic set up later down the road... perhaps I will give her a run on the dyno when it's done...

 

See bnoon...I can support that, because you are working toward a complete combo when you can afford it...that makes sense...

In the short run...I don't think you will like it without further mods, but in the long run, it makes sense...

Good luck...and post the before/after results for the dyno...

Thanks,

 

88tppi406gta: I guess I should have made my point a little clearer. I agree with your statement regarding building the engine around the heads/cam to make everything "match", and the importance of a broad torque curve all the way to 6000rpm.. but let's face it, I don't think anyone's 3rd gen on this board can do that with a stock engine, yet alone a TPI setup.

I'm not saying (and I never have/did) that doing an HSR/LT1 swap will yield better results than a head/cam swap. I think that the HSR/LT1 won't hurt the performance of a 305 if you spent the time to do proper prom tuning.

I was mainly targeting those people who simply look at the HSR/LT1 and say, "I'm sorry, but I rather have my torque over HP" without taking in all the other variables that would make the HSR/LT1 a better setup.

I'm running a ZZ4 cam and 1.6 rockers under the HSR. Eventhough it's a very small cam for that intake, I am still satisfied with its performance, and I can later on switch to a much larger cam without worrying about the limitations of the HSR (vs. TPI). To me, the loss of torque has helped more than it has hurt.

[edit] I didn't have the extra time/money to pull out the ZZ4 cam when I did the intake swap.

 

I see where you are coming from...and I agree..


"I was mainly targeting those people who simply look at the HSR/LT1 and say, "I'm sorry, but I rather have my torque over HP" without taking in all the other variables that would make the HSR/LT1 a better setup. "



I just wanted to make sure that you WEREN'T one of those people...

 

88TPI406GTA: There are more of us, Mr. Anderson....

 

Sweet...you win...I don't need any trouble from "agents"