LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lets hear the break down on bolt on's ls1 and cobras what they run with bolt ons

Old 07-07-2008, 11:55 PM
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Default lets hear the break down on bolt on's ls1 and cobras what they run with bolt ons

i just herd that a 03 - 04 cobra with pulleys can drop a full second....is this true?
i just want to get a break down so i no what to look out for and for knowledge.
Old 07-08-2008, 12:31 AM
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possible with that and a tune. What size pulley are we talking about here?
Old 07-08-2008, 12:33 AM
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I think a bolt ons Cobra with a Pulley and tune can make 600 whp depending on size of pulley.
Old 07-08-2008, 01:14 AM
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That is one small *** pulley lol.. A friend of mine with a slighter smaller than stock pulley and a tune put down around 480whp
Old 07-08-2008, 03:26 PM
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Originally Posted by R1ch
I think a bolt ons Cobra with a Pulley and tune can make 600 whp depending on size of pulley.
more like low 500s..quick cars though. i beat a stock one last yr by about a fender on the highway..supercharger sounded awesome
Old 07-08-2008, 03:28 PM
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Originally Posted by R1ch
I think a bolt ons Cobra with a Pulley and tune can make 600 whp depending on size of pulley.
I have yet to see one throw down that much. Best I've seen is as stated earlier which is low 500's (520rwhp or less). 600rwhp IMO is out of reach on the stock eaton ported or not...
Old 07-08-2008, 03:29 PM
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bolton ls1's will vary from person to person. I got my 98 full bolt on stock tune ls1 down to a 12.5 @113mph but I have a friend that put his full bolt on ls1 to 11.9 @116mph with the best of the best in parts and stock 3.42 gears. They can go 11's the rears just don't hold since these were both 6 speed cars. Auto's can go high 11's with full bolt ons and a 3200 stall or better...
Old 07-08-2008, 04:31 PM
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i whoop 2 cobras this month but those fu(kers come up really fast after 60-70mph .....and they sound so sexy . those cars aint nothing but dyno queens. anyone else got anymore knowledge they can share.
Old 07-08-2008, 04:33 PM
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Originally Posted by SPEEDYTRANSAM1996
i whoop 2 cobras this month but those fu(kers come up really fast after 60-70mph .....and they sound so sexy . those cars aint nothing but dyno queens. anyone else got anymore knowledge they can share.
Nothing but dyno queens huh?

Take that to houston, tx and see what happens when a bolt on cobra drags your ***

Those cars move, scoot and hang tire.
Old 07-08-2008, 08:04 PM
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ive built a cobra and gt500, these cars definatly respond to minor boltons,and are definatly a threat on the street with a kb.. these cars are not dyno queens
Old 07-08-2008, 08:50 PM
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People take the Independant Rear Suspension that's equipped with the Cobra's and some mustangs for granted. I've seen a bolt on Mach 1 with weight reduction run mid 11's with a slick. I have utmost respect for Mustangs. My buddy's 347 (in my sig) rapes my car a new ******* lol
Old 07-08-2008, 09:34 PM
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My 03 with only a pulley, midpipe, cai, and a tune went 11.7s @ 116-119 all day ling (with shitty 1.9-2.0 60 fts)

Stock longblock with bolt ons and a KB2.8H: 9.93 @ 142.

They need a good tire and a driver, 50% of the 03-04 Cobra owners either cant drive the car or can' put the power down.
Old 07-08-2008, 10:10 PM
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Originally Posted by mpe331lx
50% of the 03-04 Cobra owners either cant drive the car or can' put the power down.
True!
Old 07-08-2008, 10:34 PM
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very true most of those damn cars are just dyno queens anyway i have seen them run 500 + hp on the dyno but never break the 12's at the track.
Old 07-08-2008, 10:36 PM
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Not necessarily dyno queens. Drivers can't drive. IRS isn't as shitty as people think it is
Old 07-08-2008, 10:39 PM
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Cobras rock my socks!
Old 07-08-2008, 10:44 PM
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LS1 bolt-ons and COBRA bolt-ons. WHO CARES! WRONG PLACE!
Old 07-09-2008, 01:04 AM
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My boy just finished bolting on a whipple supercharger dyno 620rwhp at 18psi...


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