Author Topic: Help with New Stock Turbo Replacement  (Read 4462 times)

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Offline jptv6

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Help with New Stock Turbo Replacement
« on: April 16 2015, 09:27:05 AM »
Hi Everyone new to this site , looking for some advice on a stock turbo replacement . have a stock gn with 60 lb injectors and turbotweak, stock downpipe, stock converter and hooker exhaust. No plans to change the stock setup but would like more hp and flow but then need to deal with slow spool up etc with stock converter , I know I can rebuild it but would prefer a complete new unit , although don't mind the stock exhaust elbow,  Advice greatly appreciated , Thank You

Offline TexasT

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Re: Help with New Stock Turbo Replacement
« Reply #1 on: April 16 2015, 10:22:04 AM »
Ta49. Great with the rest of your stock stuff and 60# injectors. Just need the tt chip updates for the turbo.
Rich

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Offline good2win22

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Re: Help with New Stock Turbo Replacement
« Reply #2 on: April 16 2015, 11:03:00 AM »
Agree with Rich.  TA49.  Nothing wrong with the stock elbow.  Port the wastegate hole, get an RJC boost controller, adjustable HD wastegate actuator and you'll be tearing up the streets
Jason

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Offline Steve Wood

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Re: Help with New Stock Turbo Replacement
« Reply #3 on: April 16 2015, 11:58:13 AM »
Don't expect a noticiable improvement in performance unless you increase the boost beyond 17-18 psi
Steve Wood

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Offline earlbrown

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Re: Help with New Stock Turbo Replacement
« Reply #4 on: April 16 2015, 01:08:33 PM »
I had no idea a stock converter caused slow spool up with a stock (ish) turbo.
'87 GN - 4.2L SFI Turbocharged innercooled V6 - Chrome valve covers - supra pump - 14" K&N - 52mm throttlebody - rocker shaft supports -  1/2 intake spacer - TB coolant bypass - 3" ATR exhaust tip - Alum intake pipe - NOS timing cover - chip - relocated charcoal canister - CR42's - stock

Offline jptv6

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Re: Help with New Stock Turbo Replacement
« Reply #5 on: April 16 2015, 02:22:30 PM »
Thank You for your input on going with the te44 for a ideal stock turbo replacement.


I wonder now if I should be looking at the bigger picture and moving it up a notch or 2  up the performance
curve,  therefore next best option for better than stock turbo  even if it means a upgrading  converter ,,, open to your opinions please , Thank You Again[size=78%]  [/size]

Offline Steve Wood

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Re: Help with New Stock Turbo Replacement
« Reply #6 on: April 16 2015, 03:47:54 PM »
a 44 or 49 in combination with the right parts such as alky injection, primarily, is capable of running into the elevens in the 1/4 mile.

Instead of us guessing, why don't you tell us what you want for performance?  :)
Steve Wood

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Offline Scoobum

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Re: Help with New Stock Turbo Replacement
« Reply #7 on: April 16 2015, 08:10:00 PM »
The 44, 49 or the 5857 will get the job done. Unless you're willing to put the boost to it...as Steve says...you won't see much gain. Crank it up to 25-26 with alky or race gas...port the elbow...and things will start happening.

Speed comes at a cost. Hit that HP level at 25-26 PSI...and the transmission will start slipping. You'll need a fuel system that's up to snuff. There's no free lunch with these cars.
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Offline 626gn

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Re: Help with New Stock Turbo Replacement
« Reply #8 on: April 16 2015, 08:26:27 PM »
Nothing wrong with a 49/44 with a stock converter, as long as it the correct D5 converter. Just be sure to use the .63 Garrett housing for the quickest spool.
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Offline jptv6

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Re: Help with New Stock Turbo Replacement
« Reply #9 on: April 17 2015, 07:58:34 AM »

Perfect will be  going  with the 44/49 turbo  .

Thank You So Much for helping me on this  .


Greatly appreciated !  :P








Offline Forzfed

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Re: Help with New Stock Turbo Replacement
« Reply #10 on: April 17 2015, 04:48:52 PM »
Nothing wrong with a 49/44 with a stock converter, as long as it the correct D5 converter. Just be sure to use the .63 Garrett housing for the quickest spool.

With an unopen motor and TE-44, stock intercooler and stock converter I ran a best of 1.61 60ft.

Offline 626gn

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Re: Help with New Stock Turbo Replacement
« Reply #11 on: April 17 2015, 06:18:46 PM »
 :023:
’87 Limited – Stock short block, 206/206 billet roller, ported irons, TE45a, FMIC, ATR DP, ATR exhaust, double pumpers, 80lb injectors, TurboTweak AXiS, LS1 MAF, Janis transmission, 9”AC 16930 NL, Alradco dual fans, Eaton posi, Moser axles, ATR sway bar, Kirban seat braces.

 

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