Engine offset in stock chassis?
#21439
01/13/06 05:33 PM
01/13/06 05:33 PM
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jyrki
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I know the pinion is offset 1 3/16", but is the crank centerline offset the same amount? This may sound stupid, but I'm building a car that had no tranny or engine, so I have no idea.
Plynouth VIP '67 TT IC EFI
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Post deleted by Defbob
[Re: jyrki]
#21440
01/13/06 05:54 PM
01/13/06 05:54 PM
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Re: Engine offset in stock chassis?
#21441
01/13/06 06:12 PM
01/13/06 06:12 PM
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jyrki
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Thanks Fred! Rethinking the situation, since the pinion shaft is straight from rear to front, the engine and trans must be in the same line. I somehow thought that the engine / trans might be pointed even more to the right than the pinion offset. So, it's the same 1 3/16" then. After it's there, I've got a better idea of where the turbos are going to be.... How is the RR progressing?
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Re: Engine offset in stock chassis?
[Re: HardcoreB]
#21444
01/13/06 08:05 PM
01/13/06 08:05 PM
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MR_P_BODY
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If your building a car, I would keep the engine on centerline and cut the rearend to put the pinion on center, the reason for it being offset is for U-joint life and for the drivers area(foot room) If it was all on center the U-joint wouldnt move and grease itself. You would be putting in pinion angle(pointed slightly downward in relation to the drive shaft)
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Re: Engine offset in stock chassis?
[Re: HardcoreB]
#21446
01/14/06 08:38 PM
01/14/06 08:38 PM
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jyrki
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According to direct connection chassis book, the body tolearances at the factory were pretty big. I'm only back halfing this car, slo the stock engine offsrt will remain. And actually we got the tranny and engine mounts done today. Of course we try to do things as well as we can, schedule permitting, but this is not a too serious project. In the end (of 2006), if we have a C-body capable of 8 second ET's in street trim, I'm very happy, even proud. This thing is going to weigh 4000 lbs easy.
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Re: Engine offset in stock chassis?
[Re: HardcoreB]
#21447
01/14/06 11:20 PM
01/14/06 11:20 PM
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Quote:
Wrong. Do not reengineer already correct pinion placement. The misalignment that lubricates the u-joints is inherent to the engine and rearend being on different planes with one another. The pinion angle engineered into the set-up will induce u-joint rotation at both ends as well.
Well Sean I disagree, when I built mine I moved it on centerline as well as the rear. The reason you speak of is for a production type of driver that doesnt get on it so it has to have off set to stay lubed not nessasrally for the best power. You want it in line under max power for the best results
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Re: Engine offset in stock chassis?
[Re: MR_P_BODY]
#21448
01/15/06 11:26 AM
01/15/06 11:26 AM
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HardcoreB
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Quote:
Well Sean I disagree, when I built mine I moved it on centerline as well as the rear.
So they are now back in alignment. LOL
Quote:
The reason you speak of is for a production type of driver that doesnt get on it so it has to have off set to stay lubed not nessasrally for the best power.
YOU were the one that suggested he center the pinion, creating a misalignment, so the u-joint will lubricate.
Quote:
You want it in line under max power for the best results.
That's what I've been sayin' all along, clear as day. I wasn't gonna keep Because your 2nd reply contradicts your 1st one. I just want it to be clear to jyrki (spelling?) how to align the drivetrain. AND do it such that it wont collide with the d/s tunnel, trans. mount and tunnel, steering box, and master cylinder to name a few. Which it would if he centered it in the car.
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