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Author Topic: NA 109  (Read 5893 times)

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Offline larrym

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Re: NA 109
« Reply #15 on: December 22 2013, 08:11:04 PM »
The flex plates on a NA motor are the same correct?
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Offline Charlief1

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Re: NA 109
« Reply #16 on: December 22 2013, 08:16:13 PM »
The NA flexplate will bolt on and should work, but isn't built as heavy as the turbo one. The turbo one even has a different part number.
« Last Edit: December 22 2013, 11:04:35 PM by Charlief1 »
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Offline Steve Wood

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Re: NA 109
« Reply #17 on: December 22 2013, 10:02:18 PM »
cannot remember if I used this one  ATP Part # Z153 or a Pioneer a couple years ago
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Offline larrym

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Re: NA 109
« Reply #18 on: December 22 2013, 11:21:21 PM »
Thanks gents!
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86 white T type with t tops and blackout trim. 60lb injectors Gen 2 with Extender Chip TR6 ignition 212/206 roller cam Turbonetics BB CPT 61 CAS V4 Intercooler Cobbled together Alky Injection 4 inch MAF pipe with integral sensor
2800 stall lots of fun with a little 6 banger!
Best ET 11.36

Offline tb3

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Re: NA 109
« Reply #19 on: December 29 2013, 11:33:18 PM »
I never did understand the turbo and na flywheel differancees.  I know guys that have been running na ones installed for years and no issues.
I also wonder if it can be proven in the field that a turbo crank is indeed stronger than a na crank. 
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Offline Charlief1

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Re: NA 109
« Reply #20 on: December 30 2013, 01:43:39 AM »
The turbo flexplate is slightly thicker to hold up to the extra power. As far as the crank goes, compressing the metal allows for a thicker density which makes it stronger in the weakest location.
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Offline tb3

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Re: NA 109
« Reply #21 on: January 02 2014, 11:38:28 AM »
good info charlie!
so the rolls on the journals are indeed compressed, and not cut?
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Offline Charlief1

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Re: NA 109
« Reply #22 on: January 02 2014, 01:13:37 PM »
That's why it's called "rolled fillets" Aaron. The 301T had the same thing done to the cranks.
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Offline tb3

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Re: NA 109
« Reply #23 on: January 02 2014, 10:42:09 PM »
thanks charlie.  for some reason I was thinking "cut" because of the word "fillet".
makes sense to me now :cheers:
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