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390's, 410's, or 430's

Old 03-29-2004, 06:15 PM
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Default 390's, 410's, or 430's

i have 390s now and was thinkin bout swapping to 410s for a better 60ft, im running 26 10.5 16 etstreets right now and its time to buy new tires should i (A)-do 26 10.5 16 et streets and keep the 390s or swap to 410s
(B)-do 26 10.5 16 et drags and keep the 390s or swap to 410s
(C)-do 27" et streets or drags and do 430s

keep in mind i drive the car a lot but cant seem to cut anything in the 1.6 range on the 60ft....i need to get some reloc brackets and QA1's soon as well cuz i just lowered it...my suspension right now consists of Hotchkis SFC's, Hotchkis lowering springs(bout 1inch drop) bilstein front shocks, stock rear shocks, stock PHB, BMR LCA's, Random Tech TQ arm, im thinkin doing 410s and ET drags with the QA1s in the back with the relocation brackets....BTW this is in a moser 12 bolt, heavy duty eaton posi, TA girdle, 33spline axles on a H/C 02 WS6 6sp and a spec 3 clutch
Old 03-29-2004, 09:21 PM
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do 4.56's and the 26" tall tire. Makes alot of fun and you'll need to turn it around 7200.
Old 03-30-2004, 07:43 AM
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drive the car too much for 456s if i did them id do a 28 inch tire....my cam peaks around 6400....TTT
Old 03-31-2004, 06:42 PM
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nobody else has any thoughts on this???
Old 03-31-2004, 06:48 PM
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I drive mine every where, I had a hot cam and 4.56 gears. I got 24 miles a galon. 1600rpm at 60mph. Realy brought the car to life. 4.30's would be realy good IMO. good luck.
Old 03-31-2004, 08:26 PM
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how fast would the car go at 6700-6800 in 3rd and 4th gear with a 26" and 27" tires with 430s that is
Old 03-31-2004, 08:29 PM
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with more gear does your trap speed generally go up?
Old 03-31-2004, 11:26 PM
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i was thinking about 3.90's. Are they loud at all?
Old 04-01-2004, 07:29 AM
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why dont you try reading youre own thread that you posted up a could days ago i responded there
Old 04-01-2004, 09:49 AM
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Originally Posted by Kurtomac
why dont you try reading youre own thread that you posted up a could days ago i responded there
because this guy actually ownes 3.90's. I wanna know from him
Old 04-01-2004, 03:37 PM
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are you nuts man.....I posted in your thread....I started this thread.....I OWN 390'S!....haha there so go check you thread where I posted, damn
Old 04-01-2004, 03:39 PM
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tell you the truth, I posted 2 times in your thread, heres a link https://ls1tech.com/forums/gears-axles/153302-3-90-s-really-more-loud.html
Old 04-02-2004, 04:23 PM
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94-122mph@6800 with 26
98-126mph@6800 with 27
3rd / 4th
I gained 3 mph from a tune (20hp) and 4.56s. I think the tune and being able to spin it 7000 was the most of it. Before the tune it had 3.42 and would trap 110.


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