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LS3 headed 408

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Old 01-29-2015, 04:09 PM
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Default LS3 headed 408

Just dynoed my ls3 408 poo stange, 486whp @7,200 and 479wtq on a mustang dyno. run down of engine
lq4 30 over, head and main studs
callies 4 inch crank
compstar rods
-3 wiseco pistons
821 out of box heads, milled 30 tho pac 650 springs
felpro .41 head gaskets
comp short travel hydro lifters
trunion kit with stock rockers
Tooley cam 247/262 .632/595 113=5
Avon timing chain
super victor ( out of the box ) with a fast 4150- 1475 cfm, ?
deka 60 injectors
Manton 11/32 120 wall push rods
1 7/8 headers
th400 with a 5200 nitrous stall
8.8 with 3.55 gears
Now off to the track if it doesn't rain


Last edited by M.BOZZ; 01-30-2015 at 08:44 AM.
Old 01-29-2015, 07:02 PM
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Damn impressive numbers. Keep us updated on the track times. You going to spray it?
Old 01-29-2015, 07:07 PM
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Originally Posted by NXZ28
Damn impressive numbers. Keep us updated on the track times. You going to spray it?
Yes, but just alittle, 100 or so. The TC was or is going to be for my solid roller motor but built this one first
Old 01-29-2015, 07:28 PM
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Thanks for the help on my post...standing by for track times (let us know race weight after you get some times)
Old 01-29-2015, 07:29 PM
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100 is a good start. Bet you won't stop there. I started with a 100hp shot. Ended up a 400hp. Motor also ended up pushing a head gasket a 400hp too.
Old 01-29-2015, 07:34 PM
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Originally Posted by NXZ28
100 is a good start. Bet you won't stop there. I started with a 100hp shot. Ended up a 400hp. Motor also ended up pushing a head gasket a 400hp too.
Why does everyone say that !! lol
Old 01-29-2015, 07:35 PM
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Originally Posted by M.BOZZ
Why does everyone say that !! lol
Because it is true.
Old 01-29-2015, 07:41 PM
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I'm going to do a plate system but for now just gas. I only have 200 miles on this motor and I think 10 miles of it was on the dyno, lol
Old 01-29-2015, 07:46 PM
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Well good luck with it. I personally would stop at a 200hp shot. I would not take the jets for anything larger because I would put them in.
Old 03-14-2015, 05:28 PM
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Any update for us BOZZ Man.......??
Old 03-17-2015, 08:05 AM
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Nothing yet, dealing with transmission problems. I have my nitrous kit just haven't installed yet. Put a roll cage in and a drive shaft loop and that's about it. Hope I get the car back today from the trans shop.
Old 03-29-2015, 11:49 AM
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Update - went to Mopars vs the world in Vegas so said the hell with the trans problem,( just soft 1-2 shift ) installed a fti 4000 stall, installed some 4:10 gears with a pair of 28 inch tires, installed the nitrous kit ( 150 ) shot but losing fuel pressure some and ran me best of 10.7 @ 127 et, 1.5 sixty. My other pass was a 11.0 @ 131mph. So im back home again so next week im going too install a stand alone and but it up to 300 shot.Will post my f-up dyno sheet monday. But everything said i had a great time

Last edited by M.BOZZ; 03-29-2015 at 01:43 PM.
Old 03-29-2015, 12:19 PM
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What kind of car you have ?
Old 03-29-2015, 01:42 PM
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Its 96 mustang, 3540lbs with me in it
Old 03-30-2015, 10:16 AM
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Good stuff man. Just don't melt it down now.
Old 03-30-2015, 11:53 AM
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Nope, im getting a stand alone and boost up the shot. Trying too get one or two more track runs before it hits 110 degrees out here. Then im going to get the trans problem fixed

Last edited by M.BOZZ; 03-30-2015 at 12:03 PM.



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