300HP+

[AaronGTR]

lol you guys are thinking way to hard. Stop asking questions, use your brain think simple and build a motor!! John at APOC and I have hit over 300 horse in our cars, he had 3400 SC, I have 2.8 nitrous.. oh and guess what stock internals, our motors are way better than some of you even comprehend.

Are you talking 300 at the crank or 300 at the wheels though? John at APOC never hit 300 at the wheels. If it's crank horsepower you want, I'm at 300 now then. My goal is 300whp on boost, plus whatever my N2O kit will give me.

[ikessky]

Isn't the manufacturer 175HP spec at the crank? I guess that's what I'm basing this off of. Whatever measurement they are using, I want to go up another 125 or so.

[BerettaMX]

well i am damn close I was 242 and 327 foot pounds to the wheels and that was on a stock slipping clutch (you can hear it in my videos). Now with my ceramic clutch and bigger motor I should be right there. And John was close too, 260 and 260wtrq, if he hadnt decided to sell it he just needed some more tuning and he would have been there.

[1QUICKHATCH]

when I rebuild my 3400 I will be looking for 300hp at the crank N/A!

[BerettaMX]

good for you hatch. See its not hard at all its just that no one ever spends the money and builds their motor right. I want to go n/a but the price it would cost me to put around 400 horse to the wheels would be to much. Thats why I am building my 3400 with a whipple sc on top of it.

[1QUICKHATCH]

thanks berettaMX

I would love to see 12's N/A, like a 12.89 or somthing when I build it then spray it to see if it will get in to the 11's. but I know this wont happen any time soon so I will have to see what I can get out of a stock bottem end for this year, hopefully 13.80's should be able to do it! their is a lot of stuff people over look, what good is 300hp if you can't get it to the ground!

[AaronGTR]

It's not that no one build's the motor right, it's that the right parts aren't available. The bottom end needs to be built and the compression changed, all of which requires an experienced engine builder and machine shop. You know a lot of those with experience working on 3400's? Also, all that won't do any good without a cam, and there is no performance cam (yet ). So what you're looking at is a lot of custom work and a lot of money for experimental work on a heavy car with a weak tranny that probably won't be very fast in the end anyway. Why not just get a blower and be done with it?

[v6h.o.]

It's not that no one build's the motor right, it's that the right parts aren't available. The bottom end needs to be built and the compression changed, all of which requires an experienced engine builder and machine shop. You know a lot of those with experience working on 3400's? Also, all that won't do any good without a cam, and there is no performance cam (yet ). So what you're looking at is a lot of custom work and a lot of money for experimental work on a heavy car with a weak tranny that probably won't be very fast in the end anyway. Why not just get a blower and be done with it?

it would be helpfull if you put who you are refering this to in regards to a reply...?

as who is it you are telling to put a blower on the car and be done with it??

by the way its only you Nbodies with teh weak trannies... us Jbody guys and our 5spds can take alot of punishment

[AaronGTR]

I was reffering to berettaMX's post where he said "it isn't hard at all, it's just that no one spends the money and builds the motor right". My contention is that it isn't easy because the parts aren't readily available and no one knows the "right way" to do it since it hasn't been done before. You have to build a lot of motor's and experiment and test before you find the "right way". My post made perfect sense if you looked at the last several posts before mine.

As far as trannies, the thread is about making 300+hp with a 3400 and most of the stock transmissions that came with 3400 are relatively weak, so whatever trans your jbody has is irrelevant.

[Manitcor]

I dont see why it wouldnt be possible, with a lighter crank now available and a cam in the works, pistons and rods can be easily custom ordered allbiet expensive. I think now its just a matter of time and money before some one gets the right combination of build and tuning.

[Cliff8928]

My contention is that it isn't easy because the parts aren't readily available and no one knows the "right way" to do it since it hasn't been done before.

Oh, it's been done before, just not in a street car... and therefore the info isn't readily available.. but it's out there, somewhere..

Oh, and BTW, what trans is in the J-Body is relevant if the 3400 is in his J-Body (that never came with a 3400)


Cliff Scott
89 BerettaGT <-3400 5-speed
89 Volvo740 <-2.3 DOHC Auto

[ikessky]

Oh, and BTW, what trans is in the J-Body is relevant if the 3400 is in his J-Body (that never came with a 3400)

Agreed. I have the trans part of this whole thing worked out already. The 4T65E-HD trans never came with a 3x00 either, so then I guess we shouldn't talk about that either.

[v6h.o.]

As far as trannies, the thread is about making 300+hp with a 3400 and most of the stock transmissions that came with 3400 are relatively weak, so whatever trans your jbody has is irrelevant.

as far as the trans issue, i only brought it up due to you make this refrence? like WTF you start something about transmissions being weak then i reply to that and you say its irrelevent??

on a heavy car with a weak tranny that probably won't be very fast in the end anyway.

[Guest]

HAHAHA, I love hearing: "There aren't any parts available", cool, that will just make my build look better in the end, since I can find parts that will work. You just have to know what you're looking for.

Oh and the tranny that is in Colins car is relevant, also the tranny that will be in my car is relevant, even though it was never even an a remote thought that it might ever be attached to a 3400.

[AaronGTR]

Ok, since it's pick on Aaron day, let me set you guys straight. First off, I never said it was impossible to build a 300hp NA 3400. Yeah you can get connecting rods and pistons that will work, but they don't just drop in. Certain parts need some machining for them to work. The rest of the parts that would be required aren't available yet but will be eventually. Then it's a matter of upgrading all the peripheral systems (fuel, ignition, etc) then you have to tune it. Maybe someone has done this before for a race boat or something, but when you're dealing with a street car there are other concerns like packaging, fuel consumption, and type of fuel used. It has to fit and you can't burn 2 gallons of nitromethane per mile. You're building a street car, not a race car after all. That type of custom stuff costs money too, and the majority of us aren't on a race team budget. In fact, the majority of us aren't swapping engines and transmissions like you guys. Most people that are modifying 3400's are doing so in the car they came in and with the stock transmission, because most people don't have another car to drive while they are waiting around for custom parts and their car is taken apart. We prefer being able to put a blower in the car, get the same results, and drive it the next day. Now, if he does manage to get a 3400 making 300hp (at the wheels) and puts it with his 5spd manual tranny in his j-body, I think he'll find out fast the trans isn't as strong as he thinks it is. Not with the kind of torque that engine will make. If he put in a 4T65E-HD (if you can fit them both in a j-body) that would hold it, but the car would be so front heavy it would be unstable. Cars have do more than go in a straight line ya know. That's my educated opinion. Don't like it, tuff shit.