Those are some damn good numbers for bolt-ons. See that to me is just worth the $200 more to run 13.0 on a stock engine. Very impressive, you just cant deny the AS&M's gains. Did you run a cat, and if so which one?

No I dont have emissions testing of any kind and yes I considered LT's and in my opinion I just dont think they are all they are cracked up to be. Plus for the money it will cost me to put cats on a LT set-up I might as well put $1250 into FLP's, naw not worth it. If I do AS&M I will be done forever until I put down about 1200hp. Also I live in the country and the roads are questionable a best, if I got LT's they'd be draggin 5 ft behind me. The reason I need to cat is for the GMMG, its too wicked for me and smokey bear. Good luck with your Jethots.

Thanks guys.

-Dustin-

 

So 12.0 @ 112 MPH is slow? Mine has mid lengths because I didn't want LT's...Not because I couldn't have them.

Frank

 

People please DO NOT turn this in to another freaking LT vs. Others debate.

As for the cat, if this helps, I dynoed 375/363 through ASM headers and a Random Tech cat.

 

Woah... I didn't say ANYONE's cars were slow.

In all cases I have ever seen LTs yield more power than MidLenghts. I am just stating that if he is wanting maximize the power of a heads and cam car, LTs would be the way to go.

Once again I would be a complete moron to call anyone else's car slow, or weak because I know that there is always a faster car out there other than the ones I own.

 

Every once in a while, a set of AS&M's come up for sale used. That would help the budget. I really like mine.

 

I also thought of using LT's (Hooker) but I did not go with them for 2 reasons. First they would hit since I planned on lowering springs. Also I did not want to dick around with finding a y-pipe that fit. The AS@M/RK SPort headers will handle a ton of h.p. no problems, especially if you are considering future mods. Actually the only disadvantage of AS@M /RK over other headers is the poor plug access/price.

I did not have a converter when I ran those times.. Gutted with a 3 inch pipe sleeved.

 

Come on fellas, no controversy, I said why I dont want LT's and thats final. 12SCNDZ, no one is calling you slow, just relax, he was just inquiring why I wasnt going with LT's like everyone else so I told him why. For some people LT's are the flagship of performance, but for me and alot of other people they arent. This is not a debate for one or the other, cause I only want Mids. Someone else wants LT's, fine whatever, I dont care. For the rest of the posts dont even mention LT's cause I dont want them I dont care if your grandma runs 8's stock with LT's and a catback, still dont want em. I stated my reasons for wanting them, and those reasons wont change. This IS a thread comparing two types of MIDS, AS&M or MACS. All others can take a hike. Thank you.

-Dustin-

 

Oh, and thanks 2MCHPSI, Maybe Ill just leave the stock cat or get a cheapy for daily driving and when I got to the track Ill unbolt it and drop in a ORP. Wonder how much power Ill lose with a stock or cheap cat opposed to Random Tech or ORP...? Thanks for the help AS&M and MAC guys.

-Dustin-

 

Sorry folks. I just get a little agitated when I see so many posts stating something that isn't true. Everyone claims you need LTs to run quick. The fact is, anyone who has made a switch from mid lengths to LTs (without any other changes) hasn't ever ran any quicker. If you don't believe me, do a search. Fastbird93 is right...This controversy has been beat to death.
I'm not going to argue about this anymore. The only thing I ask is this...If you claim LTs are quicker, prove it! Show me any LT1 that has ran quicker with only a mid to LT swap. Please, don't post them here though. This isn't a mid vs. LT thread. I've got a PM box you can use.

Frank

 

In my opinion, the AS&M's and the RKsports are more future proof in case you need to move a ton of air through the header due to a larger cam and heads.

I don't plan on heads, but I know the MAC mid's will be fine for the power I am looking to put down even if I ever did do heads.

I'm not looking to ever make more than about 365 rwhp/rwtq even with ported heads. The MAC's will handle that easily, plus I get the better low end from the 1 5/8" primaries for the everyday driving.

To be honest, you can't go wrong either way. All of the headers you mention would be on my short list of what to buy also.

Dan

 

Agreed. The ASM design is proven to support up to 750 HP. Those would be great for a blown 396 that needs to maintain it's emissions equipment.

The Mac's are a great design offering outstanding bang for the buck. They just 'may', and I do say may, hinder power once you pass the 400 range. AFAIK, no one has done that sort of comparison though.

 

Yes I dont think MACS with restrict me currently or even with the 224/230, but if my motor ever takes a crap on me, it'll be a forged 355/383/396 with a power adder. My point is I dont want to have to go through this more than once. Thanks for all the insight guys, this is really giving me alot more to take in and consider before dropping the cash. Thanks.

PS Frank you PM box is full.

-Dustin-