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kyhunter89
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Joined: 05 Jul 2007
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Location: Glasgow, KY
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 Posted: Fri Oct 09, 2009 7:25 am Post subject: engine combo |
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| take a 3500 lbs brick in the wind with a 700r4, 27" tall rear tires, 4.30 rear gears. i need to build the 350 for cheap. 9.5 to 1 comp hypertunics with stock rods and crank and a 488/510 cam and springs with new rings and bearings be enough to get it moving? anything wrong with that simple recipe? what stall would need to be ran? |
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bowtie6872
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| Posted: Fri Oct 09, 2009 8:00 am Post subject: |
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heads?
vortec's,,
4.30 gears, thats a tad much..
this a street car? the 700r4 o/d isn't that deep..
4.30's with the 3.0 first gear is gonna make first gear a waste..
i'd drop the gear unless it's a drag car..
3.73's would be better, and even then first gear is going to be short.. |
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kyhunter89
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Location: Glasgow, KY
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| Posted: Fri Oct 09, 2009 10:01 am Post subject: |
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| it'll see the street occasionally, it'll pretty much get took out and raped hard everytime its drove. highest gear im considering is 4.10's leaning more towards 4.56's though. Stock heads cant remember casting number for now. id like to build the bottomw end with 383 crank, stock rods, hyper pistons, and then change heads later when funds allow. |
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bowtie6872
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| Posted: Fri Oct 09, 2009 12:13 pm Post subject: |
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| kyhunter89 wrote: | | it'll see the street occasionally, it'll pretty much get took out and raped hard everytime its drove. highest gear im considering is 4.10's leaning more towards 4.56's though. Stock heads cant remember casting number for now. id like to build the bottomw end with 383 crank, stock rods, hyper pistons, and then change heads later when funds allow. |
well if you are gonna use a 4:30/4:10 or 4:56
id toss the idea of the 700r4 unless.. it's already there and free..
as first gear is gonna be like granny low in a truck..
you'll be loose'n time as it shifts into 2nd..
with the 700r4 first of 3.04 or 3.08 4.10's are like 4.56
4.56 will be like 5+ rear gears..
the stockheads will run out of air before that car even gets moving.in first..
a th350/th400 first is 2.42 700r4 is 3.08 ..thats a steep first gear..
3.73's will be like leaving with 4.10's
3.90's will be like 4.30's
all your going to do, is spin the tires.. |
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kyhunter89
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Location: Glasgow, KY
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| Posted: Fri Oct 09, 2009 12:15 pm Post subject: |
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| bowtie6872 wrote: | | kyhunter89 wrote: | | it'll see the street occasionally, it'll pretty much get took out and raped hard everytime its drove. highest gear im considering is 4.10's leaning more towards 4.56's though. Stock heads cant remember casting number for now. id like to build the bottomw end with 383 crank, stock rods, hyper pistons, and then change heads later when funds allow. |
well if you are gonna use a 4:30/4:10 or 4:56
id toss the idea of the 700r4 unless.. it's already there and free..
as first gear is gonna be like granny low in a truck..
you'll be loose'n time as it shifts into 2nd..
with the 700r4 first of 3.04 or 3.08 4.10's are like 4.56
4.56 will be like 5+ rear gears..
the stockheads will run out of air before that car even gets moving.in first..
a th350/th400 first is 2.42 700r4 is 3.08 ..thats a steep first gear..
3.73's will be like leaving with 4.10's
3.90's will be like 4.30's
all your going to do, is spin the tires.. |
lovely lmao |
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bowtie6872
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| Posted: Fri Oct 09, 2009 12:17 pm Post subject: |
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you can spin them all day with 3.73's and a 3.08 first gear, in a monty SS with a 305ho
feel the power of 180hp.. lol
and that has the 200r4 with a first gear of 2.42
unless you're towing with this package..
the gearing is way to deep |
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kyhunter89
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| Posted: Fri Oct 09, 2009 12:19 pm Post subject: |
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| heavy car with all the weight on the ass, it'll probably go wheels up before spinning with decent tires. Someone here know the car, just not the progress made on it. |
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bowtie6872
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| Posted: Fri Oct 09, 2009 12:21 pm Post subject: |
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| the yellow wagon? |
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kyhunter89
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| Posted: Fri Oct 09, 2009 12:21 pm Post subject: |
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| yes sir. |
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bowtie6872
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| Posted: Fri Oct 09, 2009 12:32 pm Post subject: |
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they are not heavy as you think in the rear..
and if you got time. gusset the upper rearend link frame brackets..
and upper crossmember to frame..
or you'll be looking at those parts on the road |
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kyhunter89
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| Posted: Fri Oct 09, 2009 12:37 pm Post subject: |
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| imma box the control arms, but your talking about the mounts? theyre heavy in the ass but not really as heavy of a car as id thought. |
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bowtie6872
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| Posted: Fri Oct 09, 2009 12:42 pm Post subject: |
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| kyhunter89 wrote: | | imma box the control arms, but your talking about the mounts? theyre heavy in the ass but not really as heavy of a car as id thought. |
yes the upper rear control links brackets to the crossmember and the crossmember to the frame..
with a 3.08 first gear and 4.10/4.30/4.56 rear gears if it hooks at 2500 rpm.. or up.
it'll rip those brackets off the crossmember..
and or the crossmember out of the frame..
g body weakness.. |
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kyhunter89
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| Posted: Fri Oct 09, 2009 12:53 pm Post subject: |
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| say 4.10 rear, 700r4, 27" tire, what stall speed and cam would be a start? |
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bowtie6872
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| Posted: Fri Oct 09, 2009 1:07 pm Post subject: |
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| kyhunter89 wrote: | | say 4.10 rear, 700r4, 27" tire, what stall speed and cam would be a start? |
need info on heads../intake/headers
before cam..
is it a roller block?
stall will come online after cam choice..
and you need to lock in what rear gear you're going to run.
not "think" your going to run..
the lift you want.. might make the exhaust spring seat, need a little work at the guide..
if more raped ape.. why only 9.5 to 1
i'd up it to 10.5 and use the cam to bleed off the low speed cyl pressure..
unless, it'll end up more street. than you are letting on.??
the gear and first in 700r4.. will not be loading the engine much.. even at 3500 lb..
so you can run more compression.. if it's not a street cruiser and you don't mind pump'n 93 into the tank |
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kyhunter89
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Location: Glasgow, KY
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| Posted: Fri Oct 09, 2009 1:12 pm Post subject: |
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| itll only get 93. stock iron heads with 9.5 to one then swap to some smaller aluminum ones should up it and let me stay on 93. |
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