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#1 |
Registered User
Join Date: Mar 2009
Location: Marathon Florida
Posts: 29
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350 to 3 speed siginaw
350 to 3 speed siginaw, i know there is a lot of people that have done this, but hte question is what clutch and flywheel do you use? and the 350 is a direct bolt on to the origional bellhoushing in trying to go from a 230-to 350
thanks again guys. Doogie |
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#2 |
72 Chevelle Club
Join Date: Jun 2007
Location: Newton , Iowa
Posts: 2,052
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Re: 350 to 3 speed siginaw
Welcome !! I think you mean 250 6 cylinder to 350 v-8 If this is true I would try to find an 11'' flywheel and clutch. One thing to note is with the v-8 in it the motor will set close to the firewall because of the motor mounts . It will work however . If you use the proper mounts for the v-8 that moves the motor foreward and you have a driveshaft that's too short . I hope this helps you out . I'm sure some of the others will chime in on here and tell you if I have forgot or missed something . Good Luck and get us some pictures of your truck !!! Bob
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I Have The Right To Remain Silent,But Lack The Ability 1972 Chevelle ... Mine 2006 Trailblazer... Hers 2002 Buick century ... Kids 2002 K1500 Z-71 EXT CAB ... Daily Driver 2005 Rockwood Roo ... For Camping 1974 Harley-Davidson XLH Sportster 84'' stroker |
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#3 |
Senior Member
![]() Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: 350 to 3 speed siginaw
The 250 6 should already have the large 168 tooth flywheel and 11" clutch. Basically you can use the whole works from the back of the 6, flywheel, disk, pressure plate and release bearing and the starter. And yes, bellhousing pattern is the same, GM made things easy for us.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 03-26-2009 at 06:27 PM. |
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#4 |
Registered User
Join Date: Mar 2009
Location: Marathon Florida
Posts: 29
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Re: 350 to 3 speed siginaw
its a 1965 i guess i posted it on the wrong topic thread but man i think its a 230. so a standard 11" fly wheel and clutch nothing special.
Last edited by Doogie; 03-26-2009 at 06:44 PM. |
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#5 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: 350 to 3 speed siginaw
I'm assuming he means 350 turbo hydramatic to 3 speed saginaw.
Yes, an 11 inch flywheel is what I use on my 68 GMC. I took the saginaw out of a 70 Chevy and used the same flywheel and clutch that was on my 250 engine. |
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#6 |
Registered User
Join Date: Mar 2009
Location: Marathon Florida
Posts: 29
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Re: 350 to 3 speed siginaw
no no 350 small block to siginaw 3 speed.
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#7 |
Active Member
![]() Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: 350 to 3 speed siginaw
Welcome to the board... And as you noticed, when you post there's a lot of misinterpretations unless you give specifics..
![]() But the answer is the same. 11 inch flywheel and clutch assembly. I used that combo on my 69 chevy before I converted to 350 th. Addition: On my 68 with 250, I used the saginaw off a 70 350. I kept bellhousing, flywheel, clutch, etc. So, unless someone else chimes in with a different answer, you should be able to use the same parts from your 230... Last edited by 68gmsee; 03-26-2009 at 07:41 PM. |
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#8 |
Registered User
Join Date: Mar 2009
Location: Marathon Florida
Posts: 29
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Re: 350 to 3 speed siginaw
thanks you guys are great.
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