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Spirit V8 Swap |
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Gremlin401
AMC Apprentice Joined: Apr/12/2019 Location: Bryceville FL Status: Offline Points: 217 |
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Posted: Jun/01/2023 at 6:33pm |
What parts will I need to run a 360 in a 258/Auto Spirit. Besides motor mounts? Found a cheap 360 that was in a FSJ with the TH400. What flex plate will I need? Will the exhaust mans and accessories work in it as well? I know I'll need a different pan and oil pickup as well.
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72gremx401
AMC Apprentice Joined: Oct/02/2014 Location: bc Status: Offline Points: 122 |
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should not need to change pan or pickup ? will need a 360 TF flex plate , and some mod to the passenger exhaust man and control arm bracket to fit . but other wise common sense stuff .
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1972 gremlin x 401
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BDCVG
AMC Addicted Joined: Dec/19/2007 Location: Endless Mtns. Status: Offline Points: 992 |
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If You use the free flow manifolds You will need to grind the strut rod bracket down a bit to clear. That's if You find a small body V-8 cross member.
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1970 AMX 390 5 spd full Control Freaks front and rear suspension
2014 E63 AMG-S wagon 1965 Austin-Healey 3000 MK III |
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sweatlock
AMC Addicted Joined: Apr/28/2014 Location: Largo, FL Status: Offline Points: 3285 |
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If you have the stock auto behind that 258 it’s basically a TF904 - while the 360 will bolt up it may be too much for that tranny, even stock.
Edited by sweatlock - Jun/05/2023 at 8:21pm |
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BBO UK
AMC Nut Joined: Feb/17/2020 Location: UK Status: Offline Points: 287 |
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I also think you`ll need a TF727 which I think is longer than the smaller TF904, requiring the propshaft to be shortened and rebalanced. Also is the axle up to it? You just need a V8 Spirit as a donor car for all the parts. Still a relatively easy engine swap, if any engine swap should be regarded as easy!
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POS #1
AMC Nut Joined: Jan/28/2014 Location: Ohio Status: Offline Points: 497 |
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another issue you might cross.. there is a very thin collar in the back of the crank for the turbo 400 convertor, a 727 convertor wont fit in the crank with the collar.
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SC397
AMC Addicted Joined: Apr/30/2009 Location: Michigan Status: Offline Points: 5428 |
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Heavy 488
AMC Addicted Joined: Apr/27/2019 Location: In the Status: Offline Points: 3529 |
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You could post this once a week for 52 weeks and people will still try to jam in a torqueflite converter
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16591 |
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