RecMech LSX427 F1x standing mile build
#141
who are you having make your 4th and 5th gears? any guess roughly on cost?
I've always been curious to have someone build either a taller 4th gear or a shorter 5th gear or something for 1/2 mile events. gearing in these cars is a little awkward in 4th and 5th for 800-900whp cars.
I've always been curious to have someone build either a taller 4th gear or a shorter 5th gear or something for 1/2 mile events. gearing in these cars is a little awkward in 4th and 5th for 800-900whp cars.
#142
Melting Slicks
So far the winter changes will include:
New, custom 5th and 6th gears to max 275 mph (currently 250ish)
New intake manifold.
Re-work intercooler piping.
2 stages N20. Dry, fueled thru ProEFI.
Tires
Some more strengthening under the body to limit flex. Possibly a hood.
Second 10lb Firefox system.
Have to add second parachute.
Possibly a couple additional bars to the cage.
And whatever else comes up??
New, custom 5th and 6th gears to max 275 mph (currently 250ish)
New intake manifold.
Re-work intercooler piping.
2 stages N20. Dry, fueled thru ProEFI.
Tires
Some more strengthening under the body to limit flex. Possibly a hood.
Second 10lb Firefox system.
Have to add second parachute.
Possibly a couple additional bars to the cage.
And whatever else comes up??
Must be a rush to go that fast. I made some similar bracing that the C7 has underneath it. Haven't tested yet.
#143
Pro
Thread Starter
who are you having make your 4th and 5th gears? any guess roughly on cost?
I've always been curious to have someone build either a taller 4th gear or a shorter 5th gear or something for 1/2 mile events. gearing in these cars is a little awkward in 4th and 5th for 800-900whp cars.
I've always been curious to have someone build either a taller 4th gear or a shorter 5th gear or something for 1/2 mile events. gearing in these cars is a little awkward in 4th and 5th for 800-900whp cars.
It seems like a 3.15 rear would be perfect, but I would have to give up the ZR1 oversize gear and case.
#145
Melting Slicks
Cool build, looks like a lot of fun. What kind of half mile speeds are you hitting on the 214 to 220 mph one mile runs?
#146
Pro
Thread Starter
#147
Pro
Thread Starter
Not sure, we dont have a trap at the 1/2.. I could possibly calculate out of the data logs? The track is not ideal for launch (no burnout, slick surface) so I dont think it would be all that impressive.
#149
Drifting
Been awhile since I read the complete thread. What gear are you running now? I would think the 273 would be inline for roll racing with your power level.
#151
Pro
Thread Starter
I honestly didn't think I was going to progress this quickly. While I did build the car for 250, I really thought it would take more time/testing to get it to the stage it is at. Oh well, its just parts!
#152
Pro
Thread Starter
On the dyno the other day to test some parts.. Didnt go as planned.!
Tire blew around 180 mph, nice hole in the battery compartment and fiberglass bits everywhere!
Tire blew around 180 mph, nice hole in the battery compartment and fiberglass bits everywhere!
#154
you think strapping it down that much would of not helped the blow out?
on the weight saving NICE>.. im doing the same... using those units for the hood and locking down the trunk I think.... the door panel though iWill you really save weight on those??
on the weight saving NICE>.. im doing the same... using those units for the hood and locking down the trunk I think.... the door panel though iWill you really save weight on those??
#155
Melting Slicks
Just found this... awesome build.
In your first post you talk about getting hooked on the "Mile". Been there and done that... with 2 cars at the Texas Mile. Not in your league though. I do have a bud that cracked 211 with twin turbo Hemi Challenger at the Texas mile.
In your first post you talk about getting hooked on the "Mile". Been there and done that... with 2 cars at the Texas Mile. Not in your league though. I do have a bud that cracked 211 with twin turbo Hemi Challenger at the Texas mile.
#156
Pro
Thread Starter
Yeah, I cant blame the tires... Had them aired down and the strap over the push bar created a bunch of down pressure. It was also our first attempt at 5th gear on the dyno.
Door panels are almost 10lbs each not including the extra sound dampener and fiberglass removed.
Door panels are almost 10lbs each not including the extra sound dampener and fiberglass removed.
#158
Pro
Thread Starter
Thanks.. I would love to have a second car at the track. Something off-the-wall, Model A or a Chevette or something.. Just to have some fun.
#159
Pro
Thread Starter
#160
Melting Slicks
OBTW -
1) New tune = 1300 ponies
2) New 4l80 trans
3) PB 1/4 - clicked off a 8.89 in the quarter with the same car he ran at the mile.
Would love to see you at the Texas Mile. It is moving from Beeville, TX to Victora, TX.
Now back to our regular scheduled programming..
Last edited by oemtech; 12-09-2016 at 08:39 PM.