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Topic Review (Newest First)
11-20-2012 11:59 PM
idontdrivericeieatit And for me thats not overboard thats where the fun is but yes for you 6500 with stock bottom end is probly over board the 421 small block building now I plan on 8000 rpms but nothing is stock in my engines but need know what gear whats compression ratio and what cam do you want solid or hydraulic and I would use roller but that gets little exspensive as you will need retro fit kit to make rollers work I myself really like solid rollers but for rpms you will turn you could use hydraulic roller depense on how much money you have to spend if not much you are prob limted to flat tappet hydraulic but with way oil is going in long run you save money not having add 10 dollar bottle of oil additive every oil change with flat tappet hydraulic cams
11-20-2012 11:42 PM
idontdrivericeieatit What the compression ratio of the engine as to low the cams not going to like it and what gear are you going run the 2.73 or the 3.42
11-20-2012 11:42 PM
savage9scorpio see thts a little overboard. I don't think I will ever see 7200 unless I'm doin some evil kennevil jumps with the gas pressed down in mid air. I just want a nice solid cam or another hyd flat tap tht gives a good power band. again the cam is rated 2 those rpms in a 350sbc the rpm drops some in a bigger displacement.
11-20-2012 11:36 PM
idontdrivericeieatit And they make gears in the 6.00 plus range that ive seen they prob make bigger and with your stall choice I would go with atleast the 3200 your cam comes in at 3000 so you dont want to stall lower than that I use 3800 but know alot of people with 4000 and up but I turn little over 7200 rpm with solid roller cam thats in the 600 plus lift range
11-20-2012 11:36 PM
savage9scorpio well forget everything drag. a good street car will do what it does @ the track regardless. .. so what's a direct name of a good 4 speed trans or ima just go grab tht rebuilt 350. but what cam would be a good 21-2300 rpm cruiser on the highway. in a 400 or is the cam I have already capable of tht.
11-20-2012 11:25 PM
idontdrivericeieatit Hey vinnie been on just been late at nite and unless your nova is. Striped down with fiberglass in the drag world its heavy
11-20-2012 11:21 PM
savage9scorpio I don't think my nova is a "heavy car". but if those gears are drag racing gears then yeah ill stray far away 4rm tht. and the only 4 speed I kno of is tht 700r4 trans and I've been told no bueno tryna put tht behind a 400. . so looks like besides the cam I need a trans and gear pinpoint too. if y'all care to help and answer questions.
11-20-2012 11:21 PM
idontdrivericeieatit Yes 5.13 would have alot higher rpm than 2.73 not sure where you would be as I dont use the power glides but if you want drag race at all you will not like that 2.73 thats a hwy gear and with glide you would probly be able run 80.in first. But you need to choose what you are doing with car is it for hwy or drag you will need different gears for each for hwy I wouldnt run 5.13 if I was worried about gas mileage I drive mine daily but drag it alot if im cruiseing along I might get 6 miles to gallon if im lucky when right foot gets heavy I can watch gas hand move
11-20-2012 11:14 PM
vinniekq2 I do not recommend 5.13s for your car.those are race gears.
I drove on the highway with them for 2 hours at 60 mph with the tach at 3700 rpm. I also do not recommend using a power glide in a heavy car that is driven as a street bracket car.
If you can afford a 4 speed auto and 3.73 gears you will have a fun car that can travel.
Thanks tech for the back up.and Hi rice,where you been?
11-20-2012 11:07 PM
savage9scorpio
Quote:
Originally Posted by techinspector1 View Post
Vinnie is no dummy, so yeah, it's possible.
What we try to achieve is a final drive first gear ratio of around 10.0:1.
A stock 'glide has a first gear ratio of 1.76:1, so if you married it to a 5.13 rear gear, the first gear final drive would be 9.03:1, still a little light....
An aftermarket 1.98 first gear in the 'glide and a 5.13 in the rear would make a launch ratio of 10.15:1, mo betta.....
this is the 1st time I've ever heads of gears higher than 4.11. with 5.13 gears if I'm cruising on the higheay where will my rpm sit? high or low. the ideal mph is around 70-75.
when I say drag racing I mean bracket. but Friday night grudge runs aren't out of the pic either. will 5.13's kill my gas more than 2.73's would.
11-20-2012 10:54 PM
idontdrivericeieatit I got a 406 sbc with 5.13 gears not power glide though
11-20-2012 10:47 PM
techinspector1
Quote:
Originally Posted by savage9scorpio View Post
REALLY?????
5.13 GEARS + POWERGLIDE(or anytrans) + 400 SMALL BLOCK ???? my mind wont even allow me 2 believe thts possible.
Vinnie is no dummy, so yeah, it's possible.
What we try to achieve is a final drive first gear ratio of around 10.0:1.
A stock 'glide has a first gear ratio of 1.76:1, so if you married it to a 5.13 rear gear, the first gear final drive would be 9.03:1, still a little light....
An aftermarket 1.98 first gear in the 'glide and a 5.13 in the rear would make a launch ratio of 10.15:1, mo betta.....
11-20-2012 10:35 PM
vinniekq2 you said drag racing? powerglide first gear stock is 1.82 or 1.72 with any option you want after marker.2.02 is popular in small engines.
when I used a power glide in my 67 Camaro 355 I used 5.57 gears
11-20-2012 10:28 PM
savage9scorpio REALLY?????
5.13 GEARS + POWERGLIDE(or anytrans) + 400 SMALL BLOCK ???? my mind wont even allow me 2 believe thts possible.
11-20-2012 10:23 PM
vinniekq2 with a power glide and a race car,you will likely use 5.13 gears plus or minus
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