How to hit low 11's/high 10's NA?

[agent007kimball]

I have a 91 5.0 with Twisted Wedge heads, Track Heat Intake, F Cam, BBK Shorty headers, Mac Off road pipe, Mac 3.5 inch tips and A CAI. This is all on the stock bottom end. No power adder. I am currently running low 12's but I want to get down to low 11's and high 10's. I am thinking a DSS 347 stroker replacing my stock bottom end will do it. Can I hit low 11's with the 347 or possibly high 10's? Will I need a 75 hp shot of nitrous to put it into the high 10 range? Is a 347 capable of getting me to where I want to be? Any other suggestions? Thanks

 

[Chetly]

get a 351 or 351 based stroker, that will get you there no problem.

 

[agent007kimball]

So a 347 isnt enough? Also would a 351 Windsor or larger work with my heads and other parts?

 

[TrophyHead]

I'd go with a high compression 347. Is your suspension solid?

 

[90lxcoupe]

i talked to dss on the phone and they told me with traction thier 347's can easily get into the 11's

 

[agent007kimball]

Ive got a totally redone suspension specifically for drag racing. Ive got Nitto 555r's on the back. So that with a 347 will get me into the low 11's?

 

[TC93]

Depending on the weight of your car, suspension set up and traction, I say 347 can get you into atleast the mid 11's. Now if you run a 347 with some compression like mentioned, you should be there or close...

 

[agent007kimball]

I forgot to mention the car weighs 2820 pounds without me in it and a full tank of gas. Im about 160 pounds. Low 11's with that weight and high compression 347?

 

[mustangrfast88]

ok well i got a 302 based motor that is just a 306 and i am running it na and it should be going low 11s to high 10s i mean more cubic inchs does help but you can do it on a 302 with high flow heads and intake and a good setup

my set up is a whole edelbrock victor jr setup and shifting at 7600 so i knwo it can be done

well with that said build a 302 to the gills or run a 347

 

[wrathchild]

I have a 91 5.0 with Twisted Wedge heads, Track Heat Intake, F Cam, BBK Shorty headers, Mac Off road pipe, Mac 3.5 inch tips and A CAI. This is all on the stock bottom end. No power adder. I am currently running low 12's but I want to get down to low 11's and high 10's. I am thinking a DSS 347 stroker replacing my stock bottom end will do it. Can I hit low 11's with the 347 or possibly high 10's? Will I need a 75 hp shot of nitrous to put it into the high 10 range? Is a 347 capable of getting me to where I want to be? Any other suggestions? Thanks

Did you just buy this car? My friend just sold a car to someone in NJ and it had those mods on it.

 

[agent007kimball]

If your in Altoona, PA and his name is Steve then I have the car. I picked it up about a month ago. It still has the Central PA "Stang Gang" sticker on it.

 

[wrathchild]

Yup that be the one. So you like the car? I bet it was screamin with 4.10's and a c4 going back to jersey on the interstate.

 

[agent007kimball]

I love it. It was a great drive back. Man is that car loud! Its so much fun I want to keep making it faster!

 

[90mustangGT]

I am with you mustangrfast88, I think a built high revving 302/306 can get there cheaper. That is what I want to do.

 

[Rick 91GT]

With some porting to both the heads and intake, custom P/S style cam and a good tune you could go deep 11's with the 302/306. Combine those mods with a good high reving 347 10.5:1 comp and high-mid 10's are possible, it is all in the complete combo.

To go 10's your definitly going to need to have work done on the intake and heads, and a good custom ground cam..talk to Ed @ FTI he is the top guy to go to for Pure Street style set-ups and can help you with anything mentioned above...

 

[Black331Stang]

90Mustang, what setup u looking at for teh 306 to go 11s??

 

[agent007kimball]

So who makes a good high reving 347 that could do this? Is the DSS Pro Bullet good for this? How high could I rev that motor and my Twisted Wedge heads and other parts?

 

[1bad92lx]

I've got a friend that has a carbed dss pro-bullet 331 with stage III TW heads from anderson with their n-91 hirev cam that is running 11.30's at 122mph na. He shifts at 7,200 with a tremec tko and 4.56 gears. This is a daily driven street car with no drivability issues whatsoever.

 

[perkys stang]

With my 306CI FTI custom cam.... Lightly and I mean lightly ported TFS TW heads.. Stock out of the bax Holley SysteMax Intake... 10:1 comp... Went 11.12 @ 121 @ 3125lbs

It's all in the combo... There is a big gap between low 11's and high 10's.. you need to pick on for your goal because both will require different amounts of work... It's a much bigger gap then say low 14 to high 13's.. It just takes more power to make up the difference..

Going to want longtubes/ Good size Injector / and the right parts matched up top...

 

[agent007kimball]

Well id like to go low 11's on just the motor and then maybe throw in a 100 hp shot of nitrous to break into the high 10's. It seems that lots of you guys are using 306's to do this rather then 347's. Is the 306 better for what I want to do or will the increased displacement make it easy to reach it?