Beveled 5.3 liter flexplate - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chevybuilder18 · 03-27-2013, 12:20 PM

i figured out i have a beveled flexplate with the 3 bolt pattern, and im serious about swapping it maybe with a different one, but have heard you need spacers for a flat one. im confused. the bevels stick out like its already spaced for this tranny, yet i see alot about these trannys having to have the flexplate or torque convertor swapped or a spacer put in. this is all very confusing

chevybuilder18 · 03-30-2013, 01:47 AM

SO i did some carefull research. and i got the name of the flex plate wrong. i have a dished flexplate. could this be bolted up to a 4L80E? and if so will i have to have the following shown in the photos? also that isnt my engine in the photo, except its a matching flexplate.

chevybuilder18 · 03-30-2013, 01:53 AM

heres a photo of my TC. but its the 6 bolt TC.
sorry, if i had a better pic, you guys could see it better

68GMCCustom · 03-30-2013, 02:04 PM

yes....you need a 6 hole flexplate for an 80e. I bought a "older generation trans" kit from Pace that had this flexplate and the spacer. I had used this for a 200-4r which needed the 3 holes on a tighter pattern so I just drilled them. When I pulled it, the flexplate wound up working out great for my 85e.

chevybuilder18 · 03-31-2013, 03:05 AM

Quote:

Originally Posted by 68GMCCustom

yes....you need a 6 hole flexplate for an 80e. I bought a "older generation trans" kit from Pace that had this flexplate and the spacer. I had used this for a 200-4r which needed the 3 holes on a tighter pattern so I just drilled them. When I pulled it, the flexplate wound up working out great for my 85e.

Nice! I figured the dished one will have to go any way. any one got any problems with the ATP spacer and flexplate for $63? http://www.summitracing.com/parts/at...make/chevrolet

68GMCCustom · 03-31-2013, 01:41 PM

think I got this one from Pace before Summit came out with the one you show......this shows 11.75" tho... vs 11.5" bolt pattern specs yours show?

http://paceperformance.com/i-5146385...converter.html

chevybuilder18 · 04-01-2013, 09:00 AM

Hmmm.. I think pace is the way to go

Wasted Income · 04-01-2013, 02:28 PM

68GMCCustom that is a crazy looking flexplate. I've never seen an LS flexplate that looked like that.

When I bought my Yank converter, they hooked me up with an LS/4L80E swap flexplate that works great. No spacer needed, and it's SFI approved.

68GMCCustom · 04-01-2013, 03:40 PM

Yes its strange looking and looks too weak to me...and I should probably be running SFI flexplate. Looks like it would be twisted into a pretzel in between my cam'd up big headed 6.0... and my 4L85e.

Thats what I need to do is call yank...my convertor was supposed to be 2400 stall but is stock. I need like a 3k or so stall. I've just been putting it off because of a upcoming wheel/tire purchase. I've understood that you can get the "spacer" issue worked into the convertor too...so it wouldn't need the spacer.

Wasted Income · 04-01-2013, 04:03 PM

Quote:

Originally Posted by 68GMCCustom

I've understood that you can get the "spacer" issue worked into the convertor too...so it wouldn't need the spacer.

Ahhhh, now that you mention it, that is what I've got....lol. Then I got a "regular" LS SFI flexplate from them.

Forgive me, it's been a few years

chevybuilder18 · 04-04-2013, 06:43 PM

Quote:

Originally Posted by 68GMCCustom

think I got this one from Pace before Summit came out with the one you show......this shows 11.75" tho... vs 11.5" bolt pattern specs yours show?

http://paceperformance.com/i-5146385...converter.html

the summit one is only 2 tenths off....

chevybuilder18 · 04-07-2013, 05:19 PM

Quote:

Originally Posted by 68GMCCustom

yes....you need a 6 hole flexplate for an 80e. I bought a "older generation trans" kit from Pace that had this flexplate and the spacer. I had used this for a 200-4r which needed the 3 holes on a tighter pattern so I just drilled them. When I pulled it, the flexplate wound up working out great for my 85e.

I purchased the ATP flexplate.. Think summit has made an ERROR on the dimensions. but it looks just like yours!!

03-27-2013, 12:20 PM	#1
chevybuilder18 Registered User Join Date: Mar 2012 Location: Lincoln, IL Posts: 880	Beveled 5.3 liter flexplate i figured out i have a beveled flexplate with the 3 bolt pattern, and im serious about swapping it maybe with a different one, but have heard you need spacers for a flat one. im confused. the bevels stick out like its already spaced for this tranny, yet i see alot about these trannys having to have the flexplate or torque convertor swapped or a spacer put in. this is all very confusing __________________ *Her name is Quicksilver* 1978 Chevrolet silverado, shortbox stepside currently being swapped IN is a LM7 5300 vortec, 4l80E, factory 4.11s, slammed, a dream ride and coined QUICKSILVER gotta pay $$ if you wanna play

03-30-2013, 01:47 AM	#2
chevybuilder18 Registered User Join Date: Mar 2012 Location: Lincoln, IL Posts: 880	Re: Beveled 5.3 liter flexplate SO i did some carefull research. and i got the name of the flex plate wrong. i have a dished flexplate. could this be bolted up to a 4L80E? and if so will i have to have the following shown in the photos? also that isnt my engine in the photo, except its a matching flexplate. Attached Images __________________ *Her name is Quicksilver* 1978 Chevrolet silverado, shortbox stepside currently being swapped IN is a LM7 5300 vortec, 4l80E, factory 4.11s, slammed, a dream ride and coined QUICKSILVER gotta pay $$ if you wanna play

03-30-2013, 01:53 AM	#3
chevybuilder18 Registered User Join Date: Mar 2012 Location: Lincoln, IL Posts: 880	Re: Beveled 5.3 liter flexplate heres a photo of my TC. but its the 6 bolt TC. sorry, if i had a better pic, you guys could see it better Attached Images __________________ *Her name is Quicksilver* 1978 Chevrolet silverado, shortbox stepside currently being swapped IN is a LM7 5300 vortec, 4l80E, factory 4.11s, slammed, a dream ride and coined QUICKSILVER gotta pay $$ if you wanna play

03-30-2013, 02:04 PM	#4
68GMCCustom Truck and auto performance nut Join Date: Feb 2007 Location: McKinney,Texas Posts: 3,848	Re: Beveled 5.3 liter flexplate yes....you need a 6 hole flexplate for an 80e. I bought a "older generation trans" kit from Pace that had this flexplate and the spacer. I had used this for a 200-4r which needed the 3 holes on a tighter pattern so I just drilled them. When I pulled it, the flexplate wound up working out great for my 85e. __________________ Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken

03-31-2013, 01:41 PM	#6
68GMCCustom Truck and auto performance nut Join Date: Feb 2007 Location: McKinney,Texas Posts: 3,848	Re: Beveled 5.3 liter flexplate think I got this one from Pace before Summit came out with the one you show......this shows 11.75" tho... vs 11.5" bolt pattern specs yours show? http://paceperformance.com/i-5146385...converter.html __________________ Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken

04-01-2013, 09:00 AM	#7
chevybuilder18 Registered User Join Date: Mar 2012 Location: Lincoln, IL Posts: 880	Re: Beveled 5.3 liter flexplate Hmmm.. I think pace is the way to go __________________ *Her name is Quicksilver* 1978 Chevrolet silverado, shortbox stepside currently being swapped IN is a LM7 5300 vortec, 4l80E, factory 4.11s, slammed, a dream ride and coined QUICKSILVER gotta pay $$ if you wanna play

04-01-2013, 02:28 PM	#8
Wasted Income Boosted Member Join Date: May 2002 Location: Mackinaw, IL Posts: 2,200	Re: Beveled 5.3 liter flexplate 68GMCCustom that is a crazy looking flexplate. I've never seen an LS flexplate that looked like that. When I bought my Yank converter, they hooked me up with an LS/4L80E swap flexplate that works great. No spacer needed, and it's SFI approved. __________________ 1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq 1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift 1964 Buick Skylark Twin TURBO 383 LS pro-touring project 2014 VW Passat TDI - Daily Driver Turbo diesel 2015 Sierra Denali HD Duramax Turbo diesel 2016 Ford Explorer Sport - Twin Turbskis 2017 Polaris RZR Turbo 2014 Nor-Tech Center Console - Twin Supercharged Outboards *TURBO ALL THE THINGS!!*

04-01-2013, 03:40 PM	#9
68GMCCustom Truck and auto performance nut Join Date: Feb 2007 Location: McKinney,Texas Posts: 3,848	Re: Beveled 5.3 liter flexplate Yes its strange looking and looks too weak to me...and I should probably be running SFI flexplate. Looks like it would be twisted into a pretzel in between my cam'd up big headed 6.0... and my 4L85e. Thats what I need to do is call yank...my convertor was supposed to be 2400 stall but is stock. I need like a 3k or so stall. I've just been putting it off because of a upcoming wheel/tire purchase. I've understood that you can get the "spacer" issue worked into the convertor too...so it wouldn't need the spacer. __________________ Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken



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