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04-16-2014, 01:49 AM
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#1 |
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Registered User
 
Join Date: Jan 2012
Location: Humble, Texas
Posts: 414
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What flywheel to use?
I am getting ready to put a 2002 6.0L LQ9 into my '68 C10. I was going to use the 4L80e transmission that I purchased with it, but a friend of mine has recently given me a TH 400 that his dad built (Dad builds racing transmissions) and he has no use for.
Question is: Will the flex plate from the 6.0 work bolting up the TH 400 torque converter and do the bell housing and block mounting holes match? I have read a few things about adapters and special bolts, but nothing concise.
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Matt Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=672655 "Father thank you for the gathering of friends, Father we give thanks for all the choices we've made because that's what makes us who we are, let us forever cherish the loved ones we've lost along the way and most of all THANK YOU FOR FAST CARS!" |
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04-19-2014, 03:34 PM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: What flywheel to use?
I cant help much...running a stick shift, behind my 5.3? You might shoot Clinebarger a pm....bet he can help, he is the trans 'guru"...Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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04-19-2014, 04:40 PM
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#3 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: What flywheel to use?
Id wether have the 4l80e over the 400 the 4l80 is as bullet proof as the 400 but has over drive no sure on flexpkate
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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04-19-2014, 04:58 PM
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#4 |
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Registered User
Join Date: Sep 2013
Location: fairbanks, ak
Posts: 339
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Re: What flywheel to use?
Guessing your LQ9 came out of a Denali or Escalade Platform and was hooked to a 4l60/65. So next question is the flexplate on your LQ9 flat or dished?
Also chances are if it came with a 4l80 attached then its more than likely an LQ4 and in that case you the th400 will bolt right up |
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04-19-2014, 05:02 PM
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#5 |
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Registered User
Join Date: Mar 2012
Location: stafford springs ct
Posts: 149
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Re: What flywheel to use?
i recently had the same question about a 700r4, what i was told is that the flexplate will work-but the holes in it need to be elongated by about half a hole. also you need to use a spacer between the flexplate and crank that gm makes and is available through summit racing with bolts.
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1977 srw cc lb 396/700r/4:11's/6'' bds lift/ 35's. sold 1986 suburban 350/700r/3:73's 31's: parted out. 1980 silverado swb 5.3/700r/ 2'' drop/ daily driver. sold 1985 c10 long bed 5.3/700r/2'' drop/17" wheels/ daily driver. sold 1970 c10 long bed-new project! getting ready for the 6.0 |
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04-21-2014, 02:12 AM
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#6 | |
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Registered User
Join Date: Jan 2012
Location: Humble, Texas
Posts: 414
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Re: What flywheel to use?
Quote:
__________________
Matt Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=672655 "Father thank you for the gathering of friends, Father we give thanks for all the choices we've made because that's what makes us who we are, let us forever cherish the loved ones we've lost along the way and most of all THANK YOU FOR FAST CARS!" |
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04-21-2014, 02:13 AM
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#7 | |
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Registered User
Join Date: Jan 2012
Location: Humble, Texas
Posts: 414
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Re: What flywheel to use?
Quote:
__________________
Matt Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=672655 "Father thank you for the gathering of friends, Father we give thanks for all the choices we've made because that's what makes us who we are, let us forever cherish the loved ones we've lost along the way and most of all THANK YOU FOR FAST CARS!" |
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