Sorry i cant find the info i need.

The only article i can find on porting the runners and intake base is on tgo tech section but it pertains to porting the slp siamesed runners.

Can someone help me out with how to port stock runners? What sort of a gasket shoudl i be using as my basic outline for where to port?

Now for a stupid question, articles that say to radius the blocked off areas in the plenum, thats just saying be careful not to cut through the metal right?

 

Click this link for porting the base intake.



https://www.thirdgen.org/techbb2/sho...hlight=porting


I highly doubt you can port stock runners since their isnt much to them.

 

whats more restrictive the runners or the base? If i open up the base how can i match the runners to the base if i port it? or is there no real point without slp runners? am i better off with ported slp runners and intake base? or with a stealth ram?

 

HSR vs TPI depends on you combination. You'll never port a set of stock runners. You could taper the flanges, but the tubes are too thin to port. - If you intend on really getting some performance, go HSR and don't look back. If you just want alittle more and aren't going internal/full bolt-ons, stick w/ aftermarket runners & base, and port you plenum. A lot of people like a modded TPI, beter there are very few motor that wouldn't run better w/ a better intake. Not that they can't be built to run really good, just that they could run better...

 

Dude, if there is any way possible go with the stealth ram, I wished I could but have to pass emissions so I am doing the SLP runner deal and base/plenum port, I have also opend the crap out of the runners, you can really remove some material from those runners. Later on someway I will figure out to how to pass one aroud the system.....LOL. Good luck...

 

Ya i gotta pass emissions but just a sniffer so i should be able to do that without an egr, and even if i dont pass emissions i can always just slap the tpi back on for e-testing.

Sure its a 400 dollar fine if the smog police catch me on the street, but its worth the risk as i see it.

The motor is just going to be ported stock heads (not sure how far theyve been ported, was done by a previous owner, motor is getting rebuilt so ill find that out when i tear them down) With as agressive of a cam as the heads will support, and an aftermarket intake. Either stealth ram or ported slp runners. When this car gets a more serious runner i dont think i want either of those intakes so im not really worried about usefulness down the road

 

Seeing as you have a 350, just save up, get a HSR and dont look back. I dont think emissions should be a prob if all you have is a sniffer. Just make everything run right and have a good cat on there. I do, however believe that for most 305s, a modified TPI setup is more that adiquate. TPI was designed for the 305 after all.

 

as for emissions, I'm suprised none of you guys have set-up a vette/LT1 type(external) EGR in the plenum of the HSR. It could be done really easily...

 

If you have emissions . Don't you have a visual ? If so the won't even do the test and fail you before you are even getting the sniffer test.

 

The visual tests are getting more common from state to state. I know my engine was looked over when I went into inspection last.

 

umm im not entirely sure if i have a visual in ontario canada, however i know the one place i went didnt check anything. Regardless im not gonna get rid of my tpi, its easy to throw it on just for an e-test.

 

sorry for jacking your thread, but how old does a vehicle have to be to be exempt from E-testing?

 

its different everywhere in north america. Ask car people in your area.

 

I am fron kichener/Waterloo you would get burned .

 

Theres an e-test place at the corner of finch and umm i believe highway 48/markham road. When i e-tested my car there they didnt check for anything just checked it all off.

I can also get phony e-tests done so meh. It'll get e-tested again this year with the tpi, then a stealth ram put on. Then if necessary hopefully for my last e-test in 2 years ill just throw the tpi on. That is unless they decide to change the laws on us again.

 

Thats not a very smart thing to say. You never know whos looking.

 

lol and who am i? What are the smog police going to trace my ip. Then wait anothr 3 or 4 months for summer and my car to be back on the road. Then tail me to the e-test place where they are going to book them.

Oh wait, even if they did that, which is an absurdity. It still has absolutly no effect on me.

Go hump a tree

 

does the HSR fit under the factory hood of third gen camaro?

 

yes it does, i believe its reeeally close fitting tho

 

Fine take it as you want but I have been busted for less on the internet. And they do trace your ip very easily to you home. They actually suspended my internet and I had to comply with their wishes. Im speaking from experience. Another situation was where we had a close family friends 7 year old son was saying derogatory things about the president in a chat room. Their internet was also suspended and they were fined a few thousand dollars. Now is it worth paying for something that you might have regretted saying on a message board.

 

That's sick! I am gonna say whatever the hell I want about that douch bag of a president that thinks he is emperor. They can stick their fines up their a$$!

sorry... I digress

 

The biggest problem is that BUSH is president and NOT EMPEROR. We would be better off it we did not have the idiots telling him what to do, and not letting him do the job he is in for. Also the bad thing you did was give the location of the place that was willing to help people out and now they may loose there ability to do so since you sold them out, you know they could face huge fines and loose there license. Very smart, maybe you should be on PRES BUSH's cabinet.

 

 

Heres one of your options. I did it on my stock 305 and noticed a low end gain. As in i could break the tires loose when i originally couldnt. Ill try and find the pics of the EGR walls i knocked down behind the TB. When you take the plenum and TB off you will see what needs to go. Its right in front of your face. This is a siamesed plenum though. Take measurements of the plenum, gasket and runner opening and try to match them up as well as you can. I also radiused the runner entrys just for the heII of it since they are at a 90* angle to the flange. I figured it couldnt hurt.

 

Thank *** i live in canada, your country is rediculous!
so no i dont really have to worry.

Anyways back on topic i think im just going to save my time and money for now, and just buy a hsr when i have the cash.

 

Good luck with that > You need to do the EGR conversion to it . Unless I guess you get a tech who doesn;t look to well . But they WILL burn you at all the road side checks which are becomeing very freaquent around our area . Lots of lille ***** cars . getting towed away

 

i wont have to worry about e-test for another 2 years cause itll get tested with a tpi on it then swapped for the stealth ram.

The smog police is definitly an issue tho, i think they go more after imports then us. However i know a bunch of older guys with GN's and vets and such who have been inspected sitting in a parking lot. Could come back to bit me.

How hard is the egr conversion to do?

 

Why work so hard to do something illegal? look into the FIRST system. It'll get you the results you're looking for and is emissions legal...

 

whats FIRST?

 

U know

I'm not sure whats more insane here.

People from Canada bashing our country? lol than talk about roadside emission tests lol now thats funny

Or arguing about Bush being a good/bad president, I'll say good, but only when compared to the competition who was just scary lol

Anyhow, I know they are a few educated folks in this thread, so I'll make a few bright points that they can catch.

1) Emission laws are a humongous joke. Period, end of story. They like everything else have been twisted by politicians to make money, plain and simple. I'm not talking about laws made to limit emissions, which u kind of have to do or we would have a lot crappier world. But think of it this way, I've made a hotcammed vortec headed 350 and the same setup on a 383 pass emissions cleaner than a factory stock 17k 91 GTA with no more than my own tuning and a cat. converter. Not by a little bit, but by a whole lot(not talking federally mandated cold start testing here either, manufacturers have to do that) Oh lord no, I no longer had EGR or AIR, I'm going to burn in hell.

2)Serioulsy, literally hundreds of modifications owners do to their cars make them more efficient(to a limit obvioulsy) with proper tuning and parts selection u can gain power and even decrease emissions. What should matter is what comes out the tailpipe, not what parts are there to accomplish it. Anyone that understands how automobiles works or has actually read the emission laws would understand this easily. Just not retarded politicians who most tend to be lawyers as well who make the laws. Its like getting money from McD's for burning your lips:-)

3)Oh yes, and I have parts on my cars that dont have the stupid smog certification number(which just drives up prices for everyone cause u have to pay to get the stupid tag for a CARB EO) I never realized the sewer of a state of California ruled the world. An LT1 intake is not legal in any state unless it is swapped as is intact as a LT1 transplant with all applicable emisions from the orginal LT1 application. Intake has no CARB EO, its not legal to install on any thirdgen. Doesnt mattr if it runs cleaner or not.


4) All ranting and common sense aside, it would be most prudent for u to find out what exactly they do in your area as far as testing goes. Do they look under the hood? Is it a shortened or full length IM-240 test? Make the decision based on testing in your area foremost. Or do as u said and swap it out, which to me is a PIA.

later
Jeremy

 

HI 19doug90, I dont want to strart any flame wars, but dude please dont down AMERICA. If there is ever a problem in the world who do they always seem to call first. And im sure you all have some rediculous laws also, so to say that is just wrong, you should be proud to have us as a neighbor, besides 21% of the pollution problem in the upper most U.S. is because of the overflow from Canada. Also 3.8TransAm is correct most of the cars that are upgraded do help it run cleaner, and sometimes helpes performance also. You are a fellow 3RD gen owner we should all show respect for the whole club no matter where you are located. So good luck on your mods...

 

Nice ....don't bash ....but here is my opinion on it . Very educated typical.


Anyhow , I already told you the issues in your area , as I live down the 'ol 401 west of you . You can also get a Accell Superram which will let you pass visual . It also has some nice potential , as others here have kicked *** with it.


Next time 3.8 transam try and just talk to the violators in the thread instead of saying crap like ....

"Anyhow, I know they are a few educated folks in this thread, so I'll make a few bright points that they can catch"

It won't acccmplish anything but adding to the anomosity.

If you didn;t like it ... lock it

 

wow okay well i cant say im surprised my post went in the direction it did, based on the comment i made. That is kind of horrifying tho that based on things said on the internet the secret service is tracking people down, and like having said "i hate bush, i wish blah blah blah". I have nothing against americans or your country. But the things your government have the power to do is borderline horrifyinga t times.

ANYWAYS i digress can i please get an answer to this comment before the thread gets locked...

whats FIRST?

 

It's called the "firstinjection system" try a search . it's nice LTR setup that mimiks the looks of the stock TPI . but it really flows well and can be ported pretty dam good from the pics I have seen

BUT !!!! you need to use their ECM and all that stuff . So it's kinda pricey for startup . I think it's more geared towards the TPI enthusiast who like the look of that intake ( me included)

 

FIRST
you can run it w/ a factory TPI ecm and wiring, many have. - Only thing you need is the intake and fuel rails, just as if you're doin the HSR. - Takes a little more work though. Minor fabrication for the TPS, but well worth it to be legal/have power...

 

But you have to wire it in right ? I figured there was something that didn't just "plug in" .

 

FIRST Injections sells a TPS bracket for the GM TPS and it'll plug right up (the system may come with that now). The mono-blade 835cfm T/B (that comes with it) uses a GM IAC, so that'll plug right up as well. It's tight and practically, but not impossible to unplug and plug back up to set the minimum idle speed. I'd suggest splicing in a 4 prong weather pac connection so you can plug and unplug it,, especially if you plan on more mods after the intake swap. The FIRST plenum has no provision for the intake air temp sensor, so you'll either need to dril and tap for it, or do like I did and splice in enough wire to install the IAT sensor in the air filter housing. If you have a Camaro, some of the TPI style air cleaner housings have a provision for the sensor (V6 models????). You also have to run fuel lines for it, similar to what you have to do for the StealthRam swap and buy a stand alone fuel pressure regulator. So,,, while it's not exactly plug and play, first time installers that are not easily frustrated (there will be some frustration) shouldn't have a problem with it.

It does have provisions for a GM EGR valve system, but no CARB certification (for the state side folks). It's a neat long tube runner set up that can be heavily modified and as is a pretty good value (as far as new long tube runner systems are concerned) if you were planning on buying a $300 aftermarket TB.

However, for the poster's 350 combination with stock heads, I'd port the stock intake (not siamesed), hog out the stock plenum, and grind on a set of SLP runners. Hard to beat the bang for the buck on anything capable of making 400 horse or less (with a carbed intake) - especially if you can snag a used set of SLP runners.

 

to that i read an article the other day on the net, one of the gm magazines i forget which. They had a ported tpi intake with ported siamese slp runners. Changed it out for a stealth ram. They said while the ported tpi worked well at a given rpm range, the stealth ram made much nicer power through the whole rpm range, and pulled nicely all the way up to 6000. I'm going to want peak hp to be around 5600-5800 with my slightly modded stock heads, need the duration to make up for a lack of lift.

I know you can hook up an egr to the stealth ram i just havent found the information how to yet.

Will also look at the FAST system tho

 

The ony way to hook an EGR up to the HSR is DIY. It has NO provisions for it. You'd have to use the vette/LT1 style egr that hooks to the exhaust via a tube to the manifold. Then, you'd have to machine(grind) a flat spot on the plenum(side/wherever space allows) and drill the appropriate holes to mount the egr. Do able, but not a simple plug and go. - engineering/frustration levels would be kinda high.

 

unless you're gonna do a lot more than you have, just port the TPI....

 

well i dont want a ported tpi

Ill look into the FAST system, and if i dont like that, ill just put a hsr in there and duck the e-police.

thanks tho

 

Are you using that with stock runners? I'd guess you had to take a set of cutters to your gaskets as well.

 

Yes. Thats plenum is connected to a set of stock runners. Kind of embarrasing aint it.

I just put the gaskets on the plenum and used the same bit i had been porting with slowly cut away at the gasket until they were even with the plenum ports. I then put them on the runners to make sure they lined up with everything and i wasnt going to have any leaks.

 

A metal template was made then used to grind mine out , works very well for those with shakey grinder hards . Gives a good idea how much has to come out too.