347 Header Size and exhaust Diameter

revhead347

Just rub Vaseline all over
15 Year Member
Jun 14, 2004
8,567
1,310
214
40
Acworth, GA
The burn out process actually has me a little bit worried lol. I dont have line lock and I've never done a burn out in 2nd. If they have that much grip how do you get them to slip and do a burn out?

I've been looking it up a bunch and it seems that I just need to rev it up high dump the clutch and go straight to the brakes and apply as much as needed to keep me in place and then slowly come off the brake and push in the clutch once you gain a little traction. Does that sound about right? And why 2nd and not 1st?

Thanks for all the great advice and tips

Another part of the trickery. Getting the car to do a burnout in second gear on cold tires is not hard. Getting it to stay still without cooking the rear brakes is difficult. You have to dump the clutch, and the very quickly move your left foot over to the brake pedal and hold it just enough to keep the car from moving. Just hard enough to keep it still (ish), but not too hard to cook the rear brakes. When you see some smoke, let off the brakes, and let the car roll out.

Kurt
 
  • Sponsors(?)


2000xp8

SN Certified Technician
Aug 8, 2003
7,005
1,094
194
NJ
The burn out process actually has me a little bit worried lol. I dont have line lock and I've never done a burn out in 2nd. If they have that much grip how do you get them to slip and do a burn out?
Clearly you are not a teenager, lol.
Me personally, i'd take the car out to an abandoned or rarely driven road and practice.
If you are going to take this track thing serious and go often, buy a line lock.
Pain in the butt to put in (unless someone makes a prebent line kit now), but for someone that frequents the track, it's worth it.
 
  • Agree
Reactions: General karthief

revhead347

Just rub Vaseline all over
15 Year Member
Jun 14, 2004
8,567
1,310
214
40
Acworth, GA
The burn out process actually has me a little bit worried lol. I dont have line lock and I've never done a burn out in 2nd. If they have that much grip how do you get them to slip and do a burn out?

I've been looking it up a bunch and it seems that I just need to rev it up high dump the clutch and go straight to the brakes and apply as much as needed to keep me in place and then slowly come off the brake and push in the clutch once you gain a little traction. Does that sound about right? And why 2nd and not 1st?

Thanks for all the great advice and tips

You do it exactly like that. They only hook when they are warmed up. They slip easy when they are cold. You have to do it in second gear, because they don't get hot enough in first gear.

Kurt
 
  • Like
Reactions: Wellzy55

Wellzy55

Member
Jun 5, 2020
21
7
13
34
Clermont, Fl
Here's the update. I went to the track last night. I installed the Strange Single Adjustable shocks in the rear along with rear lower control arms with the Spherical internal bushing with Poly externals. And some MT ET Street R slicks.

First run i ran i had the shocks set at 5 clicks from soft with 20 PSI cold on the tires.

2.222 60'
5.717 330'
8.527 1/8
88.51 mph
13.033 ET
110.02 trap
I launched at 3000rpm and spun the tires pretty bad. I only did a short burnout. Wasn't the best run, but was sti my best time yet.

2nd run I ran 15 psi and stiffened up the shocks two more clicks. And tried to launch at 2000rpm and the damn thing stuck hard and the car fell on its face lol. We wont talk about those times lol.

3rd run I stuck with the same settings and did a longer burnout and launched at 4000rpm and the thing stuck hard and I ran i best pass.

1.801 60'
5.329 330
8.140 1/8
88.50 mph
12.602 ET
110.82 trap

Unfortunately I didnt get to run again. A bunch of the big boys kept messing up the track. But i can definitely launch with more RPM and can probably get the ET somewhat lower.

Thanks for all the good tips guys! I cant wait to get back to the track
 

Wellzy55

Member
Jun 5, 2020
21
7
13
34
Clermont, Fl
Oh yeah I forgot to mention. I twisted the motor mounts while at the track lol. The motor is leaning to the passenger a little bit now. So it looks like I need to replace the motor mounts and trans mount.
 

Wellzy55

Member
Jun 5, 2020
21
7
13
34
Clermont, Fl
That’s a great improvement. With even less air in the tires, and the strange 10 ways for struts it would probably cut down even more.

I ordered the Strange front struts with everything else but they didnt fit. I guess my car originally was a 4 cylinder and the spindles are different. I need to send them back and order the correct ones.
 

Wellzy55

Member
Jun 5, 2020
21
7
13
34
Clermont, Fl
I'll look into the V8 spindles. Yes the width of the bracket on the strut is about an 1/8 of an inch to narrow to go into the spindle. It was pretty annoying lol we got everything apart and went to install and bam to small lol.

Karthief these are just Struts I'm not going with the Coilovers.

Thanks guys
 
  • Like
Reactions: General karthief

General karthief

wonder how much it would cost to ship you a pair
Mod Dude
Aug 25, 2016
17,783
5,765
193
polk county florida
I'll look into the V8 spindles. Yes the width of the bracket on the strut is about an 1/8 of an inch to narrow to go into the spindle. It was pretty annoying lol we got everything apart and went to install and bam to small lol.

Karthief these are just Struts I'm not going with the Coilovers.

Thanks guys
Too many threads, too many wrong answers to give, brain filing broken.
I'll send you a pm
 

CrisNavarro

Member
Apr 29, 2020
92
12
18
38
Spain
Hi guys!
I am looking for a heads cylinders aluminium for mi 347 stroker.
Will be from 351 a good option? Are better the Mustang gt40?
Thank you in advance.