TY752VB4AA
14 March 2011, 09:17 PM
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TY752VB4AA
Hi, i have a 1994 wrx, with a TY752VB3AA just wondered if a TY752VB4AA would be ok to take 380bhp. Hoping for a reply as all the posts i have put up i haven't had one reply.
14 March 2011, 09:19 PM
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No chance
What torque ?
14 March 2011, 09:26 PM
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The engine wont take that power and the gearbox has no chance!
Tony
14 March 2011, 09:41 PM
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The gearbox will almost definitely break.
14 March 2011, 09:42 PM
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well the engine has been rebuilt and is fully forged. Whats the most i could get out of TY752VB4AA box.
14 March 2011, 09:45 PM
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about 310 bhp as this is weaker than the ty754. But even then its just a matter of time until it breaks.
Last edited by Billet; 14 March 2011 at 09:48 PM .
14 March 2011, 09:46 PM
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Lol for how long anything c.300/300 and you're running into borrowed time IMHO
14 March 2011, 09:49 PM
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what standard 5 speed box do you recommend
14 March 2011, 10:15 PM
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get a late 5speed gear box that ends in AAA they will take a lot more power iv heard cars running upto 500bhp and they take the pain with good oil in
14 March 2011, 10:33 PM
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Quote:
Originally Posted by
scooby gricey
get a late 5speed gear box that ends in AAA they will take a lot more power iv heard cars running upto 500bhp and they take the pain with good oil in
And ive seen standard 215bhp cars strip the gears on these too!
The only safe way is 6 speed or go for a PPG (though its not as strong as a 6 speed) or try scooby clinic as they do a hardened gearset/box but these are not cheap, your looking at 3.5+k, a 6 speed is 2.5 inc the rear diff.
Tony
14 March 2011, 11:43 PM
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so is a TY752VB4AA better than a TY752VB3AA?
14 March 2011, 11:46 PM
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The ratios in the B4AA are shorter than WRX of the same year, although not as short as the RA boxes. Mine was 4k+ at 80mph. With 380bhp, and assuming 1.4bar+, you wont have enough gearing to last a week !
14 March 2011, 11:53 PM
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oh right, i will have to sell the B4AA and get myself a later 5 speed. Cheers for the info
15 March 2011, 12:03 AM
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Where are you based I might be interested in a spare B4AA
15 March 2011, 12:11 AM
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Quote:
Originally Posted by
seanbaldacchino
oh right, i will have to sell the B4AA and get myself a later 5 speed. Cheers for the info
The later 5 speeds (even the 2.5 wrx's) are not going to take silly ammounts of torque, it will just shred the cogs
Tony
15 March 2011, 12:50 PM
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What Tony says is right, if you are going for power, and ESPECIALLY if you intend to have more torque, budget for a 6-speed box.
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14 March 2011, 09:17 PM
TY752VB4AA
