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253 into chassis

 
       Hot-Rod Internet Bench Racing Forum Index -> Engine and Drivetrain
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john
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Posted: Fri Aug 27, 2020 8:37 am    Post subject: 253 into chassis

We are about to drop the engine into the chassis of a 28 Ford.
Are the engine mounts simetrical, can we measure and cut the cross tubes before we drop the donk in. Or should we hold the engine, mounted uwith the cros bars over the chassis and mark the tube then? Thank you
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Pep
1000RPM



Joined: 14 Jun 2021
Posts: 1065
Location: Georges Hall, NSW

Posted: Fri Aug 27, 2020 9:46 am    Post subject:

If it was me John, I'd chock the engine between the rails then do some measurements, cause once its welded in place its hard to move
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FRANK BASILE
700RPM



Joined: 07 May 2021
Posts: 700
Location: MELBOURNE

Posted: Fri Aug 27, 2020 10:11 am    Post subject:

Been through that one John,the mounts are symmetrical,had a 253 sitting in my 38 Chev chassis,and fabricated the cradle from square section RHS [50x50 mm from memory] which fitted neatly into the mounts for the mounting bolts ,of course as Pep indicated you must position engine/trans first ,before the construction of same..............Frank
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jdaley
Just Idling



Joined: 23 Sep 2020
Posts: 106
Location: Melbourne, Australia

Posted: Fri Aug 27, 2020 12:07 pm    Post subject: Engine rails

We are using the Rod Tech cross bars.
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John Daley sidecar racer
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Pep
1000RPM



Joined: 14 Jun 2021
Posts: 1065
Location: Georges Hall, NSW

Posted: Fri Aug 27, 2020 12:22 pm    Post subject: Re: Engine rails

jdaley wrote:
We are using the Rod Tech cross bars.


So that means you will just need to concentrate on the engine height and for/aft position now that Frank has confirmed they are symetrical.
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jdaley
Just Idling



Joined: 23 Sep 2020
Posts: 106
Location: Melbourne, Australia

Posted: Sun Aug 29, 2020 5:32 pm    Post subject:

Donk went straight in. Now we need to tack the cross member. But the chassis and rails were set up for a 350 Chev / 350 yet the rear member is located right under the bolts at the rear of the gear box. I thought the 253 with stock auto would have the same bolt patterns and location. What is a simple fix if there is one?Thank you.
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John Daley sidecar racer
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FRANK BASILE
700RPM



Joined: 07 May 2021
Posts: 700
Location: MELBOURNE

Posted: Mon Aug 30, 2020 7:46 am    Post subject:

JD,The only way out is to shift the member,from what you describe,I am guessing is rearwards to accommodate the mount,or reshape it in the centre to do same...........Frank.
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Pep
1000RPM



Joined: 14 Jun 2021
Posts: 1065
Location: Georges Hall, NSW

Posted: Mon Aug 30, 2020 9:56 am    Post subject:

Pretty hard to visualise all the obsticles. It sounds like the mounting plate needs to go back a bit. How far I don't know. It may just need a notch cut in the plate..In my case I had to extend mine 1" to accept the C4 mounts. THat was just a strip of plate steel welded on the front...So if its just an inch or so, cutting it out would be OK. IMHO. Of course if its any more,then you may have to relocate the whole mounting plate.
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