3800 Series 2 Modding Basics




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Derrick Tanner: Hey if I run a 3.5 pulley what supporting mods do I need?

Kyle Petty: On intense racings pcm, what is the core charge?? 

DL390: This engine looks so weird mounted the wrong way.

Karl Schouster: I have a 92 Buick Regal custom coupe.3.8 , I want to make it a little quicker not a beast ,not yet would like to put a super charger on it so what can i do ??

GTByron: I just bought a 2000 gtp. What mods do I need to run a 3.6-3.5 inch pulley on it? Or can I use that pulley without any mods? Also what are the recommended plugs for a stock gtp. I looked online and people say to use colder plugs but I don't know which ones to get. Thanks

Rhino Barnes: Can I get headers for a 95 buick LeSabre


heman thecuntdestroyer: there is to major problems here the obvious one is the cars fwd an the engines facing the wrong way an second why the freak is the steering wheel on the passengers side of the car haha merica burgers diabetes meh whatever ya say its all the same nice car tho 

Pontiac65Cat: I ran mobile one in mine, burned oil like crazy. You need high tension piston rings to run mobile one. Run some good synthetic, not that cheap mobile one crap if you really want good protection. 

youregatorbait: BS.. Where do you get $1,100? "Half size intercooler was 550" and a 3" DP and a smaller pulley, plus the upper intake... You sound like a queer also. Just sayin 

ChiefGunny: whats the smallest pulley I can use without doing anything else

greg bell: We're can you get the solid motor mounts like the Grand pre and regal has? I want to put a set on my Buick lesabre.

thirtytwokid: I got stainless steel 3.5 exhaust and it kills 

thirtytwokid: I found for mine to keep engine cooler is to add washers to the hood to lift up alil and noticed better gas and temps 

Paul O'Neal: I might get a header set for mine.

MrGuitarguyadam: These motors take 4.6 qts of oil. (I know bc I'm an auto technician and I change oil in these every day) from personal experience... iv found that the best way to wake these up is to run 4qts of Mobil 1 full synthetic (5-30 is what this takes) with the other 0.6 qts Lucas additive. Along with that, run 93 octane premium, always premium. If you are able to, use Shell V-Power premium gas. Shell VPower premium gasoline is the next thing to formula one car fuel. And it costs a just as much as every other premium gas out there. Nice job on the home made intake. This should help out a lot. 

Shaun Preston: Hey man thanks for the info! I have a 97 GTP, it threw a rod........ It had some basic mods cold air intake, smaller supercharger pulley, 3 inch exhaust with high flow mufflers. I'm in the process of pulling the motor. When I rebuild I want to do some more mods.. but don't want to get too crazy! I'm looking for basic mods. Probably go with better coils plugs and injecters. Need to know what kind of good tuner pcms are out there aswell.

evilcowboy: Got a L36 (yeah I know not a L67) but still liked it and the first mod I did to mine was the aluminum gasket upgrade with aluminum elbows and replace the UIM all together with a new one.

The second was to dump and flush the radiator and replace with conventional green.

The third was to upgrade with Heavy duty sway links (gm made plastic spacers on the stock ones)

I painted the acoustic cover black and red (not really a mod but the grey cover bothered the crap out of me)

New plugs and wires and new pcv and some other small stuff (coolant stepper motor for the dash springs to mind had to solder a new one in)

The stupid pcv valve almost needs 3 o rings to properly seat and not whistle. I put a small one below the pcv valve where it goes normally, Then I had to put one under the spring to add extra push on the pcv valve into it's seat so it wouldn't work loose and cause the whistle and of course the big orange o ring. This has stopped the whistle that sounds like a belt squeal so far. If it is not done eventually you'll hear a nice squeal sound and it will cause the engine to stumble after starting sometimes. You'll also throw a small evap leak code. It's just a pretty stupid design for it to be honest.

good vid with good tips though

enginenut: Needs a ZZP "Power Log"/PLOG, nice mods. !

Eric Mietz: upgrade that mass air flow sensor.. these 3800 MAFs as opposed to their cousin motors 3400 and 3100 MAFs are very peticular and their threshold values are not what they should be with increased air mass. ( this may have changed with your tuner along the lines of ecm re-call and personalization) otherwise never hurts to throw some high electrical energy output ignition coils on there higher dwells, stronger spark, more complete combustion cycle, less carbon build up overall increased engine efficency. you may want to replace alternator with a higher output due to increased demand for voltage and possibly install a gel cell battery. isnt neccessary but, doesnt hurt. again related to the mass air flow, (i assume youve done this) remove that slighty co-efficent MAF screen on the throttle body. only maintenance from there is to clean your MAF more frequently (which you should be anyway given the performance filter and location in which its installed). other than that you can always invest in a 4t65e HD transaxle and some L67 fuel injectors (if not already equipped). sorry once agin with the MAF sensor installing a performance aftermarket can sometimes loop up the ho2s and furthermore catalyst efficency. just something to think about.
 

Jack Chandler: Hey where did you get the pillars from?
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Hidrogeno Vehicular Costa Rica: Hi, I think you are using a lot of amps in your cell, how do you feel about horsepower? is it better? and how many plates does your cell has?, I have been working on it since a while and I think i have now a system that works very well, can you tell me about the mileage? what is the % of save in fuel?
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3800 Series 2 Modding Basics