Part III. Is it worth it? Smog Pump Delete.
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- Опубліковано 11 вер 2024
- Part III in our performance bolt on series. I do a smog pump delete kit on my 1985 L98 corvette and see if its worth doing.
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Just Completed the smog pump delete the coolant bypass and the third cat delete. Thanks again for all the help. Very happy with the Results.
Thanks for the instructions / video. Please consider using a long screwdriver or something similar for a pointer instead of a finger. You have done this in the past and it is so much easier to see what you are referring to than your finger.
Wassup man I watched your video on when you put a Chip in the ECU ( computer ) . Ya said you wasn't noticing any difference well that's because when you do a Hi-Po Chip in older GM'S it's not necessarily a plug and ready to pin ya back in the set when you take it out and stand it. You gotta make other adjustments as well such as with the IAC ( idle air control ) , TPS ( throttle position sensor ) those need to be increased from their stock preset as well as the timing . Make sure to disconnect tha timing ground wire frist it a Brown wrie on driver's side near firewall it'll kinda look like a in line fuse Link that's very important bring your timing up 3 degrees then tha TPS up 3 volts by losing tha 2 small tourex screws then increase IAC by 2 volts . them repeat till she begins to start Coming alive . . You'll need a scanner to do this with I would recommend an ole school frist series snap-on scanner . They talk to those cars better
Thanks
I bought the pump delete kit but returned it. I gutted the pump and removed all of the additional lines etc. the pump free wheels and doesn’t extract any horsepower. I removed the exhaust manifolds and went with headers. I also converted my exhaust to the 92-96 system. It made a serious difference in performance.
Yep, just gutted mine too
Thats a good idea!
What was involved in gutting the pump? Just open it up and remove everything? I like this idea, but this kit looks horrible.
Nice one!! I did this on my 84 plus AC system delete. Did not have to get any kit for it, just Re route my new shorter belt (70.5”) All this (AC compressor, accumulator, condenser and air pump with all accessories and hardware) was over 50lbs. The car runs great and way cooler, as radiator can breath better and cool the car more efficient without condenser in front of it.
Thats a good idea! Thanks
i dont see how you can delete the smog pump without adding a pulley
Just bought an 86 C4 with a leaking head gasket. I threw the whole air pump garbage straight in the trash 😂 gonna need headers
Note, the easiest way to get this belt on/off is to release tension then remove it from the alternator, since it's the smallest pulley. You don't need to loosen anything else.
I think this is worthwhile to get all that crap off there, but this kit doesn't match anything in the engine compartment at all.
Did this mod last week on my 86.. works great less engine bay clutter
Cool! Yes its a good modification for sure!
I JUST ORDERED ONE FOR MY '87 C4 right after I installed my new AFR ENFORCER CYLINDER HEADS (195cc intake runners 64cc combustion chambers) and SPEED MASTER BLOCK HUGGER SHORTY HEADERS. I took ALL emissions equipment JUNK off mine. So we'll see soon on the new build.
Cool that should run good!
Finally subbed cant wait for more i have my 91 on jack stands awaiting engine pull etc. Just building time and cash but these vids help add to the list. Keep them coming!
Thanks for the sub! Good luck with your project!
Why use the delete pulley instead of getting the right size belt and run it without.
Solid content homie.
Keep it comin
Thanks Brother!
TPIS has a very good smog pump delete pulley that works very well. A better bet is to delete the entire EGR and using the smog pump as a crank case evacuation pump. your engine will rev sooooo much faster and it will actually make horsepower.
That's a good idea. How do you plumb that so the smog pump is an evac? Is there a video on it somewhere?
@@bry2k use the breather port of the valve cover as the intake of the smog pump and send it to the collector of either header.
@@MasterWitchDoctor Really? Wouldn't the pump potentially suck oil out of the valve cover and fail?
@@bry2k prostockers have been doing this for decades, they use a custom designed oil pan but I use the port in the valve cover and it doesnt suck out any oil.
@@MasterWitchDoctor That's cool. I hadn't heard of it. So prostockers aside, it's a legit technique for a daily driver?
Just for public information, modifying your L98 C4 corvette is a all-or-nothing affair. There are no bolt-ons you can do to really increase power. You have to ditch the stock heads and cam to make gains. If you want to keep the TPI system, your cam must have a 116 LSA, which has a very tame idle. The duration and lift can vary, as long as it doesn't have too crazy overlap. Tuning a TPI is not easy either-for 85s it requires soldering a new chip for every tune. For later years it is a chip swap to tune. TPIS will tune per your cam, heads, and valvetrain geometry.
Thank you
exactly !
Nice copy of the Static C4-- without the $5k rims..lol. Cool cruiser. It inspired me too, I bought an '85 also last year I've been building up.
Thank you! Thats awesome!
Very nice keep up the good work Richard ramstein Germany 88 C4 corvette.
Thank you very much
Do you really need to tak eof those hoses or you can just remove the Pump and replace it with the bracket and pulley?
Did you get any error codes eith the air pump and egr delete
Great video but where did you get the pulley assembly.. I’m waiting on the hose and caps to do the bypass for the plenum ..
Thanks and keep them coming..
Right on, I'm looking to do the smog pump delete, too, and would love to know what he used.
eBay
That smog pump is worth money , hard to find. In Ca.
I'm about to do this on my 1990 . I will probably order the caps you have
Cool! It is a good mod to do. Thanks for watching
Not a complete delete. Have to also remove the EGR valve and all piping then replace the ECM chip with an EGR delete chip. If not the ECM is searching for the EGR signal and will set a code and still set the air-fuel mixture as if the pump was still there. Do it right or don't do it at all.
Well I think he helped me out ….
WRONG!!!
Wronggg!!!! Memcal adjusts ratio
@@nickfoudos410so I don't need an ECM chip correct?
I deleted egr and have no codes since I left solenoid and temperatures sensors plugged in
I also removed the catalytic converter.
Yea i might do something with the exhaust next!
I have a 1984 and the smog pump is starting to squeal . So I plan on taking off smog pump and putting in a delete kit pully . Because I can't wait for the port caps to be delivered I'll need to get at Home Depot . . . . Are they 1/2" caps?? Great video :) Thanks !
Remove your catalytic converter and put a piece of pipe in its place. 20-30 hp gain. I did it to my 85.
Cool! Thanks
@@etwasbauen6615 actually if you take off your converter and Ram a bar inside and break out all the inside stuff, it’s a free hp mod. And looks stock.
What do you do with the vacuum ports on the back end of the plenum? I have the kit and caps for the headers but not sure what to do with the vacuum ports.
Do you know anything about the C4s with the "air injection emissions valve" or if it's called that, can I just rip that out or do I need to plug some stuff up
can you still smog the car? ro do you have to put it back on every time you smog it?
So, the pump takes about 1/2 hp to run, so removing it, at minimum, adds that amount back to the drive train. And of course the weight savings, improves things. How the emissions are effected, and performance improved on that basis, no idea, does anyone have a idea on that?
What are those rims? They look so nice
I’ve been considering doing this mod to my ‘94. Did you get a check engine light after this? Nice videos
Hi, thank you, I didnt get any lights on at all.
I’m trying to get the smog delete pulley off the EBay link but the link doesn’t work
The guy sometimes doesnt have them in stock. Ill see if i can find out whats going on.
What size are the caps
Hey, first of all, nice Corvette. It is similar to the static C4 which I guess every Corvettes fan knows. I guess 85 came with 230hp and 330lb ft of torque from the factory. You probably didnt test it on dyno, but how much hp you think you gain with all these mods? I am looking forward to buy one next year:)
Hi Thank you, yes similar but not a show car. Yes a dyno is the only way to get real results. I may have it checked when im done everything . Thanks
Yours probably better cause you can actually DRIVE it:)
there are no real bolt on power adders for the L98 as a daily driver there are some bolt in parts that might get it to 250/275hp. but the cost of pumping up an L98 is high you will easily spend $2500 for not much more power. i spent $6k got a crate 383 450hp SBC, holley fuel injection system long tube headers and flowmasters. money is better spent replacing it with a crate motor 400/450 hp. they are available at JEGS or summit racing and a lot of others.
Hey, I just subscribed to your channel. I also own a C4 and a C3 vette. My C4 is a 86 Pace Car. It was a flood victim, (no insurance on it at the time) then sat beside a pole barn for 3 years before I bought it. Since then it's been a completely disassembled, and everything electical was replaced. All new interior was installed. The original engine cracked out in the #7 cylinder, so I replaced it with a ATK .40 over block from Summit, and the heads where rebuilt and flowed. I've been thinking of doing the smog delete, and add a pair of shorty headers, with a new duel exaughst system from Magna Flow. So I thank you for this video to help me thru that. Should add some more h.p. to it.
Yes we all know the static c4 lol
Yo I got the same delete kit but my belt is too big now
If you want your C4 repainted should hit me up unless you like that it looks matted only thing, is I live in New York State lol I have watched this video a few times wondering if I should do this with my C4
Thank you.
Link for pulley kit plz
Do you have a link for the smog pump delete kit? The link isn't working and the one I just bought doesn't line up and in spite of saying you can use the same size belt you can not.
Hi im not sure why the link isnt working. The one i got you where able to use the original belt. Ill see if i can find the company info for it.
Ok I'm doing this now and did u just put a rubber cap or leave the pipe open that goes straight up between the water pump and ac compressor? That went to one of the solenoids
I took that pipe out. Thanks
Did you get any check engine lights from it not being there anymore?
I haven’t got one at all. Thanks
What thread and size caps did you use to block off the port on the headers?
1/2 I'm literally doing the same buy at home depot
Hi ya, I just subscribed to your channel, I own a 86 Pace Car and a 81 that I'm currently biulding. I've been thinking of doing this delete, but leave the pump on. Also going to do shorty headers and complete Magna Flow exaughst.
Cool Cars! Thats a good idea!
Thanks man, but you got to know this 86 was under water for 2 1/2 months, then sat beside a pole barn for 3 years. So it wasn't in good shape to start with. Everything has been replaced, and rebuilt. The interior is done the way I wanted it, Alpine stereo system, custom seat covers, matching center console and shifter boot. Also dash, information cluster and center console, has been done in carbon fiber. So it's not stock, engine is a Summit Racing .040 over ATK block, with flowed and polished stock heads.
I just finished doing the coolant bypass and smog pump delete. I was considering just using a plate with gasket sealer and two bolts to cap off the line to the smog pump. Simpler. Any problem with doing it that way. I am doing this for my son’s (gifted to him) 1989 c4.
ukrobot
Can you remove those air tubes from the manifolds and cap off right at the manifold?
I just looked at mine and it appears they are pressed in. Might better to just remove the check valve and cap it like you did. At least until I can get some headers.
I don't see any reason to remove the check valves if the AIR hoses are no longer attached.
How’s it fit with the factory belt? I had to change my belt length by over an inch
This kit was a direct match for the factory belt. Thanks
I for the life of me. Am not figure out how you keep check engine light off, will it come on? Is the egr ok or removed? I have a 87
I havent had any issues at all. . . . .yet.
@@etwasbauen6615 I did rewatch your videos and it appeared you changed the chip before removing all the emmisions. I got my pump removal kit. And tpi inlet. I’ll get with you on the hose in the spring!
Great chennel. Where do I get the brack and pully?
eBay sells them for about $40 bucks. Bought one for my C4 ' 90 Convertible
Any horse power gain from deleting the smog pump?
Shocking no one has any feed back on your question. The answer is probably no.
cant you get a smaller belt
You can but with this kit you can use the original one!
90$ or 20$ for a shorter belt
I used the original belt.
I need a kit for a 92 convertable 5.7
They should have one on ebay/amazon.
@@etwasbauen6615 yea try not find it bud, they don't exist blumpkinhead
bad link for that kit.
Yea i think that guy doesnt sell them anymore. He was on ebay.
This stuff is 15 lbs of weight? or I could just quit drinking for a few days..... ah, maybe I'll just remove this crap.
haha thats true.
I have to say that kit is super ugly I think I would have done the belt change kit thanks for sharing
Yes its very basic looking. Thanks for watching !