Transmissions and Drivetrain Need help with your trans? Problems with your axle?

V6 trans to a V8 engine

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Old Apr 4, 2002 | 07:03 AM
  #1  
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V6 trans to a V8 engine

i was told it could be done .... i just need to know how


(Tas told me)


What would i need to buy etc. to get my v6s t-5 to bolt up to a 305 v8 ?



someone help me out please



thank you
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Old Apr 4, 2002 | 10:06 AM
  #2  
camaro-mayhem's Avatar
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From: tucson
Car: Camaro
Engine: 355c.i.
Transmission: th350
well for one you would need a stronger clutch,im sure you can go to a parts store like napa or pepboys and have them order an OE style replacement clutch for a 305(make sure you tll them what year it is etc.)Also you ill need a different bell housing,the part that actually mates to the engine and holds the clutch and other parts.You might be able to pull one off a car at a junkyard if it you find another thirdgen f body with a 305.I think you will also need a bigger flywheel-ask around for more details on that but i think small blocks use 10.5 inch flywheels.WWhat kind of car are you putting this in?
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Old Apr 4, 2002 | 10:10 AM
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Originally posted by camaro-mayhem
well for one you would need a stronger clutch,im sure you can go to a parts store like napa or pepboys and have them order an OE style replacement clutch for a 305(make sure you tll them what year it is etc.)Also you ill need a different bell housing,the part that actually mates to the engine and holds the clutch and other parts.You might be able to pull one off a car at a junkyard if it you find another thirdgen f body with a 305.I think you will also need a bigger flywheel-ask around for more details on that but i think small blocks use 10.5 inch flywheels.What kind of car are you putting this in?



its going into a 1989 camaro RS


converting it to a 305


p.s thanks for the help


keep helping me out lol :hail:
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Old Apr 4, 2002 | 03:06 PM
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You'll need a clutch disc with a 14 spline count for the v-6 tranny. The v-8 tranny uses a 26 spline count.
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Old Apr 4, 2002 | 03:59 PM
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what you need is a v8 bellhousing and the input shaft for a v8 t5, i dont believe the a v6 clutch will work, its to small unless you can find a 10.4" diameter one.
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Old Apr 4, 2002 | 06:59 PM
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so.. i could goto a junk yard and get the housing ?


or can i order one ?



where can i get it
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Old Apr 4, 2002 | 09:02 PM
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From: tucson
Car: Camaro
Engine: 355c.i.
Transmission: th350
junk yard would be the cheapest...i dont know where you would get one new.Im not sure how common third gen f-bodys actually are in junk yards,ive never looked-just keep your eyes open for em.You can always look for people in the newspaper that are parting out their v8 camaro.
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Old Apr 4, 2002 | 11:34 PM
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Originally posted by nsimmons
what you need is a v8 bellhousing and the input shaft for a v8 t5, i dont believe the a v6 clutch will work, its to small unless you can find a 10.4" diameter one.




so i need a


V8 housing
V8input shaft

and what size clutch ? ?

b/c i am confused on that one still

Last edited by XonyaZ28; Apr 4, 2002 at 11:37 PM.
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Old Apr 4, 2002 | 11:37 PM
  #9  
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From: tucson
Car: Camaro
Engine: 355c.i.
Transmission: th350
im pretty sure a 10.5 inch...ask at a local parts store or speed shop-they should be able to tell you what 305's had stock and that is exactly what you need.
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Old Apr 5, 2002 | 01:04 AM
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Originally posted by camaro-mayhem
im pretty sure a 10.5 inch...ask at a local parts store or speed shop-they should be able to tell you what 305's had stock and that is exactly what you need.

thank you so much


you guys rock !! !
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Old Apr 5, 2002 | 02:39 AM
  #11  
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i put a t-5 out of a v-6 on my 305. you have to use a v-8 bell housing. i'm using the flywheel and pressure plate from the 305. i took the clutch disk from the v-6 to auto zone and had the find the biggest disk with the same splines. i believe the one they found was 10 or 10.25 in. i've had no problems with it. it will bake off the tires in first, catch an awesome 2nd, and chirp into third. i hope this helps
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Old Apr 5, 2002 | 03:27 AM
  #12  
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Originally posted by stangkiller1984
i put a t-5 out of a v-6 on my 305. you have to use a v-8 bell housing. i'm using the flywheel and pressure plate from the 305. i took the clutch disk from the v-6 to auto zone and had the find the biggest disk with the same splines. i believe the one they found was 10 or 10.25 in. i've had no problems with it. it will bake off the tires in first, catch an awesome 2nd, and chirp into third. i hope this helps


yes it does man

thanks
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Old Apr 9, 2002 | 10:50 AM
  #13  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
the input shaft of the v6 and v8 have a different amount of teeth on the gear so they cannot be swapped, i have the 2 trannys and true, it doesn't swap, but i'm using the flywheel of the ASTRO van and it's disc will fit for your v6 tranny / v8 engine requirement.
and as for the bellhousing, YES it has to be a v8 bellhousing.
Fernando.
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Old Apr 9, 2002 | 11:00 AM
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Originally posted by MIG-29
the input shaft of the v6 and v8 have a different amount of teeth on the gear so they cannot be swapped, i have the 2 trannys and true, it doesn't swap, but i'm using the flywheel of the ASTRO van and it's disc will fit for your v6 tranny / v8 engine requirement.
and as for the bellhousing, YES it has to be a v8 bellhousing.
Fernando.


so what are you saying about the input shaft ??

can i transfer them out or no ?

and i will get me an astro van flywheel pronto


thanks fern
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Old Apr 9, 2002 | 11:14 AM
  #15  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
exacto.
you cannot swap the input shafts from one another (v6/v8) but you can use the flywheel and disc from the ASTRO van (v6) to attach your v6 tranny into your v8 engine, by the way, what kind'a engine are you using?
Fern.
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Old Apr 9, 2002 | 11:22 AM
  #16  
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305 bored .030 over with an aftermarket cam,and i have stock heads but i believe they have been ported, i will ask the guy thats giving me the engine what he did to it.




and as for the input shaft what do i do about it ?



and what should all be used to hook my tranny to the v8




input shaft
:nono: :nono:


thanks

[X]
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Old Apr 9, 2002 | 12:23 PM
  #17  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
no need to modify anything on your v6 tranny, just use the astro disc and flywheel and that's it. just make sure that it fits on your input shaft.
but...if you can get from the scrapyard the flywheel from the v8, much better, just remember to re-surface it.
the 305 engine is not really a hot ticket (unless you spend a few thousand dollars) so your v6 tranny should last long.
Fern.
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Old Apr 9, 2002 | 12:50 PM
  #18  
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Originally posted by MIG-29
no need to modify anything on your v6 tranny, just use the astro disc and flywheel and that's it. just make sure that it fits on your input shaft.
but...if you can get from the scrapyard the flywheel from the v8, much better, just remember to re-surface it.
the 305 engine is not really a hot ticket (unless you spend a few thousand dollars) so your v6 tranny should last long.
Fern.




So if i find all the parts from a v8 tranny for a 305 in a junk yard i should use them ??
If not just find a astro van and take the parts off it ya ?



thanks fern !
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Old Apr 9, 2002 | 03:07 PM
  #19  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
exacto!!!
if you can find a T-5 from a camaro or firebird 89 and up it'll be much better, if original it'll be the WC T-5.
get everything even if it it a T-5 from before that year.
but i suggest to buy a new disc and re-surface the flywheel, both are cheap and is worth.
so in few words,
1- if you have already the v6 t5 and not much money, then get the astro option.
2- if you are going to get the parts, better get the original V8 system.
wish you good luck with your proyect.
Fern.
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Old Apr 9, 2002 | 03:29 PM
  #20  
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hey thanks fern.

so would a junkyard camaro still have the tranny sitting in the car ?

does this happen normally ?
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Old Apr 10, 2002 | 12:22 AM
  #21  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
there are plenty of camaros or firebirds on the scrapyards, specially in the US, here in Canada not many and manual tranny, almost impossible.
and it is a pleasure to help a fellow third genner.
tell me what you think of my shifter, i'm adding a pic of it.
i just love it.
Fern.
Attached Thumbnails V6 trans to a V8 engine-stick..jpg  
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Old Apr 10, 2002 | 12:37 AM
  #22  
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dude thats a sweet *** shifter ****... got anymore pics ??



i wanna see more !!!






peaCe

[x]



p.s thanks for the help email me sometimes
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Old Apr 10, 2002 | 09:47 AM
  #23  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
here it goes.
the handle comes from a Bell-212 helicopter and it is all switches complete.
let me know what you decide 'bout your project.
Fern.
Attached Thumbnails V6 trans to a V8 engine-stick-1.jpg  
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Old Apr 10, 2002 | 10:21 AM
  #24  
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From: dallas texas
Originally posted by MIG-29
here it goes.
the handle comes from a Bell-212 helicopter and it is all switches complete.
let me know what you decide 'bout your project.
Fern.



dude ! thats badass how did you pull that off ?

i just want a carbon fiber shifter...


but from a helicopter? how in the h*ll does that work ?
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Old Jun 30, 2002 | 02:32 AM
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From: Clinton, IA usa
Car: 1984 Firebird
Engine: 350 Terminator EFI
Transmission: T56
Axle/Gears: 4.10
what year astro van, with what engine, and what is the clutch disk diameter?
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Old Jun 30, 2002 | 04:01 AM
  #26  
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From: tucson
Car: Camaro
Engine: 355c.i.
Transmission: th350
this thread = really old
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Old Jun 30, 2002 | 04:20 AM
  #27  
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
That shifter would be great in traffic......" we have tone! Fire missals (SP)...
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Old Jun 30, 2002 | 08:01 AM
  #28  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
chaff, to blur enemy (cops) radar, that'll be fun!!!
Fernando.
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Old Jun 30, 2002 | 08:08 AM
  #29  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
dear firechicken, i dont remember exactly the diameter but it did fit perfectly on my (at the time) 305 and now is on my 350, with a nwct5, just count 153 tooth and thats it, the astro has only v6 engines i think 3.1 or something, and more, my 350 (so as it was my 305) is pre-86 (2 piece rear seal).
if you need something i'll be happy to help.
Fernando.
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Old Jun 30, 2002 | 12:34 PM
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From: Clinton, IA usa
Car: 1984 Firebird
Engine: 350 Terminator EFI
Transmission: T56
Axle/Gears: 4.10
mig29

so what you are saying then is that i should just go ahead and get the flywheel, and clutch for the astrovan and it will fit in my f-body t-5 bell housing?

or do i use the pressure plate, for a v-8 firebird, the flywheel for the bird, and just the disk from the astro?
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Old Jun 30, 2002 | 03:08 PM
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just the clutch from the astro, flywheel and pressure plate from a v8
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Old Jun 30, 2002 | 03:23 PM
  #32  
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
BUT

the astro clutch is 11 inch

3rd gen pressure plates and flywheels can only fit a 10.5 inch...........
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Old Jun 30, 2002 | 06:53 PM
  #33  
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From: Montreal, Quebec, Canada
Car: 1987 Camaro
Engine: 1986 350
Transmission: T-5 NWC
it'll fit the same, i was about to do it but now i got 2 350's and 2 nwct5"s and a nwcv6t5, if somebody wants it just pay the shipping and it will be your "el cheapo" tempo fix.
so basically, everything from your V8 and the disc from a v6 will do.
Fernando.
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Old Jun 30, 2002 | 07:24 PM
  #34  
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
yeah, but i measured my pressure plate and the most it could fit is 10.5 inch clutch disc.......................i thougt the astro van clutch disc was 11 inch
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