Which flywheel.. 1978 350.. To a 700R4
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Supreme Member
Joined: Jul 2006
Posts: 1,674
Likes: 3
From: Windsor Ontario
Car: 1987 Firebird Formula
Engine: 2004 LQ4
Transmission: T-5 WC
Axle/Gears: 3.42
Which flywheel.. 1978 350.. To a 700R4
I have a 78 350, 2 piece rear main.. My old 305 has a 1 piece rear main with the 91 flywheel.. Can I use the 91 flywheel and TC on the 78 engine?
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Joined: Jan 2009
Posts: 2,316
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: Which flywheel.. 1978 350.. To a 700R4
torque converter is the same,but you will have to use an'85 -
earlier flexplate as '86 up is external ballance and different bolt
pattern for the hub-IIRC 153 tooth is the right diameter and '79
-85 the year spread as earlier flexplates may have slightly
smaller torque converter bolt holes
earlier flexplate as '86 up is external ballance and different bolt
pattern for the hub-IIRC 153 tooth is the right diameter and '79
-85 the year spread as earlier flexplates may have slightly
smaller torque converter bolt holes
Thread Starter
Supreme Member
Joined: Jul 2006
Posts: 1,674
Likes: 3
From: Windsor Ontario
Car: 1987 Firebird Formula
Engine: 2004 LQ4
Transmission: T-5 WC
Axle/Gears: 3.42
Re: Which flywheel.. 1978 350.. To a 700R4
torque converter is the same,but you will have to use an'85 -
earlier flexplate as '86 up is external ballance and different bolt
pattern for the hub-IIRC 153 tooth is the right diameter and '79
-85 the year spread as earlier flexplates may have slightly
smaller torque converter bolt holes
earlier flexplate as '86 up is external ballance and different bolt
pattern for the hub-IIRC 153 tooth is the right diameter and '79
-85 the year spread as earlier flexplates may have slightly
smaller torque converter bolt holes
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