Thread: 300+ hp?

are we talking wheel horsepower or crank horsepower?

300 crank horsepower isnt that bad. you would rock that with a rocker setup and a fullsize intercooler (with headers). 300 wheel horsepower is going to take a cam setup, a fullsize intercooler, etc.

do you have any mods that youre putting in at the same time as the top swap because youre going to need it. a top swap with the high compression will knock and youll blow it up unless you add a bunch of stuff with it and have a good tune on it.

ed morad

ZZP for the modded 1.9:1 rockers and fullsize (stage 2) intercooler.

youll want to do a little researching on headers around here and figure out which ones would suit you the best.

for the tune youre going to most definitely go custom. i highly advise against getting a ZZP PCM. youre going to be running whatever pulley you can run without knocking with about 18* or more of timing. this should net you what youre looking for, but if you want any more than that just go ahead and do a cam setup to begin with. a cam setup opens a bunch of new doors that you have to consider for that.

Originally Posted by Bio248

ZZP for the modded 1.9:1 rockers and fullsize (stage 2) intercooler.

youll want to do a little researching on headers around here and figure out which ones would suit you the best.

for the tune youre going to most definitely go custom. i highly advise against getting a ZZP PCM. youre going to be running whatever pulley you can run without knocking with about 18* or more of timing. this should net you what youre looking for, but if you want any more than that just go ahead and do a cam setup to begin with. a cam setup opens a bunch of new doors that you have to consider for that.

Thank you for the reply! The rockers and intercooler sound good! As for the headers... If I replace those, do I need to do anything to the downpipe/u-bend? Also, do you recommend weld or bolt-on kits? What cam setup do you recommend if I'm doing the swap? There's so many different ones! Lastly, I should probably upgrade the transmission to the 4t65e-HD model. Is the ZZP conversion kit sufficient, or should I do a complete rebuild? Keep in mind, I have 200,000 km on my car. Thanks again.

Headers will come with a DP (atleast most do). As far as transmissions go, DEF buy a new one. Save yourself the trouble. The "kit" ZZP sells is just a differential and an axle. Nothing you wouldn't be able to do with a local junkyard. Just buy a transmission from TEP and call it good.

As for Morad, hell no! He's way overpriced!

i cannot tell you what cam would even suit you unless you tell me what your goals are. i know you said 300 hp, but that is a very bland description of what youd like to achieve. are you looking for something fun to run street light to street light? do you want to run a certain time at the track? do you want a highway monster? the cam setup will make or break a setup. usually once you go far enough into it youll also need ported and polished heads clearanced for high lift and you then have to start looking into aftermarket timing chains which gets expensive very quickly.

if all youre looking for is around 300 crank horsepower then rockers will do you just fine.

Originally Posted by Bedwards

Okay sounds good. Is the one from TEP the HD version (or has the ability to withstand the extra power)?

dave makes the best transmissions for our cars. for a build transmission youll definitely want to go with him.

Originally Posted by Bedwards

I'm more interested in having a fun car to drive. Maybe eventually I'll take it to the track and do some runs, but at the moment I'm not concerned with my 1/4 mile times. I would ideally like to finish with 300+ hp to the wheels, but I know that it will take some time. Thanks for all the help guys.

for just a fun car to run with i wouldnt worry about a cam or if you did just get one that runs well on stock heads (VS, XP, S1x).

agreed with a dave transmission. He is also a great guy and extremely helpful.

fwiw my 132k non-hd diff is holding up just fine to lots of abuse, gears are taking a **** though.

Morad is a good place to get your parts, just for the fact the piece it together for you, prices are a little high...

setup sounds good but you also need new valve springs with that cam, i would suggest crow cams 105s from intense (INTENSE-Racing.com - Pontiac G8, Grand Prix, Bonneville, Regal, L67 3800 Supercharged Performance Products, Mods and Tunes.). youll also want to replace the timing chain and dampner while youre in there replacing the cam. invest in some head studs while youre in there, this wont be the only time youll have the heads off if youre going this far into the motor already. you also need the gaskets that go between everything.

the tune is going to be key here with this setup, but with a spot on tune this should run you into the 300+ whp area. if you want to invest a little bit more you might want to look into a top swap with an l32 setup so you have the genV blower right away.

this setup will cost you around $2500 without the transmission. think this thing is going to run you near $5k or more in the end.

ZZP sells comp 105s only i think. you dont want them because they have a pretty good track record of breaking.

Originally Posted by Bio248

ZZP sells comp 105s only i think. you dont want them because they have a pretty good track record of breaking.

I think the Comp 105s are the ones given to you with the cam. However, ZZP sells Crow cams valve springs seperately.

The only thing that's holding me back right now is the transmission. That is going to be the most expensive.

Ed Morad has 2 4T65E-HD transmissions. One is from an 04 GTP with only 35k on it. He's asking $700. The other is from an 04 Impala SS with 75k, but the case is painted black and appears to have been rebuilt recently. He wants $575 for it. What will I need to do to the PCM if I were to put one of these transmissions in? Remember that I'm doing the L36 to L67 top swap in my 2001 GT. Also, which one should I go with? I wish I could afford a new transmission from Dave at TEP, but I'm a 20 year old student, and I just can't.

you will have to have the pcm tuned for the new trans settings...also dont forget about the headers. You will need to get the extra air out before you put more air into it. So if you do everything all at once, it wont matter as you need to get it tuned anyway. I assume that you need a FMHE as well as pump for it, and all the gaskets and new fluids as well. Personally I would get the lower mileage trans if you cant afford to get one from TEP. and while the trans is out put a new filter on it before you install it. You may want to consider get the blower ported before you put it on there. This will improve flow, lower knock, and lower the temps which will all help you have a faster car in the end and make it easier to tune. Since you are running an IC you should port both the SC and the LIM for improved results.

just buy the diff from an HD trans and swap that in. you want the 3.29 gears from the non-hd trans.