Boosted Beaumont Build - Page 6 - Chevelle Tech
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post #76 of 85 (permalink) Old Aug 21st, 19, 11:44 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 870
So I managed to find another Gen VI 502 block and a GM forges crank. Back in business. Now the ideas start with what parts to use.

As well I decided to purchase some purpose drag only rims. Bassett D-Hole Lightweight beadlock rims. They look pretty good. I have had problems with rims spinning inside the tires so this should fix that problem. As well they are a crap ton lighter than my old rally wheels I was using.

I need to find something to pull powder coat off, instead of the rings being black I am going to paint them bronze to match the car.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
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post #77 of 85 (permalink) Old Aug 25th, 19, 12:43 AM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
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Well that turned out better than I was expecting.

Time to build rebuild a boosted 502!
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
post #78 of 85 (permalink) Old Sep 10th, 19, 4:03 PM
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Chris
 
Join Date: Jul 2007
Location: Kelowna, BC, Canada
Posts: 970
Re: Boosted Beaumont Build

What size wheels and back spacing? Looks good!

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post #79 of 85 (permalink) Old Sep 10th, 19, 11:35 PM Thread Starter
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Chris
 
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Re: Boosted Beaumont Build

Quote:
Originally Posted by Chris27 View Post
What size wheels and back spacing? Looks good!


15x10 with 6" BS. 295 drag radial. this is with the car on jacks, it usually tucks into wheel well another 2-3"'s

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
post #80 of 85 (permalink) Old Sep 11th, 19, 12:26 PM
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Chris
 
Join Date: Jul 2007
Location: Kelowna, BC, Canada
Posts: 970
Re: Boosted Beaumont Build

Quote:
Originally Posted by GoFast Beaumont View Post
15x10 with 6" BS. 295 drag radial. this is with the car on jacks, it usually tucks into wheel well another 2-3"'s

Any suspension mods that affect width? Seems most guys run 5.5" BS with a 10" wheel. Tires must be pretty close to the frame rail and inside wheel well, any rubbing? My 295's rub the wheel wells at the outside of the inner wheel well about 2" up from the fender lip if I lower the car too much. I'm currently running an 8" wheel with 4" BS. Looking to change that so I can lower the car a bit more.

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post #81 of 85 (permalink) Old Sep 12th, 19, 11:41 PM Thread Starter
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Chris
 
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Re: Boosted Beaumont Build

Quote:
Originally Posted by Chris27 View Post
Any suspension mods that affect width? Seems most guys run 5.5" BS with a 10" wheel. Tires must be pretty close to the frame rail and inside wheel well, any rubbing? My 295's rub the wheel wells at the outside of the inner wheel well about 2" up from the fender lip if I lower the car too much. I'm currently running an 8" wheel with 4" BS. Looking to change that so I can lower the car a bit more.


yup and 5.5" puts the tire to far to the outside. 6" is perfect, 1/4' clearance on the inside and outside. no rubbing on any of the fender wells. suspension mods I have edlebrock adjustable upper control arms. These allow you to set the pinion angle and correct for a minor offset if the body is not on the frame perfectly.

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
post #82 of 85 (permalink) Old Sep 12th, 19, 11:49 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
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Interesting find today. So after raceweek I was on the hunt to repair my RXT. When I bought it, it was well used. Usable but not perfect. So knowing that as well that all RXT/RST part interchange I was finding another one. With that said I found one from a Mustang GT500, part number 691807. Picked it up for $300can, it is brand new, can still see the cross hatch in the pressure and mid plate.

Left setup is a rxt1200 and right side is a rxt1000. Now anyone paying attention will notice that is not a ford flywheel, in fact it is a Chevy flywheel that it is bolted onto. Turns out it fit the 10.5” clutch pattern. SO lesson of the day for clutch guys, bring some sort of reference on your purchase when mix-matching, you could get lucky like me.

With all that said the rxt1200 pressure plate works on the newly acquired rxt1000, so I am back in business for a strong running clutch again way under the rebuild price Mcleod wants.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
post #83 of 85 (permalink) Old Sep 29th, 19, 10:06 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 870
So since things are slow I thought I’d share a couple things

Brakes... so last year I upgrade the brakes from the cast iron D52 caliber to a aluminum Howe Racing D52 dual piston caliber. A lot of people are not aware of these. So they are 2x2.125 pistons, they fit right in the stock brackets, shed a ton of weight(7lbs ea), and can run larger pads (d614 I think it is).

As for the rear, the stock steel drums got pitched for some aluminum. These ones are originals but am looking at the cardone industries ones they make now. This was over 10lbs lost a side.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
post #84 of 85 (permalink) Old Sep 29th, 19, 10:08 PM
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Chris
 
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Posts: 5,991
Re: Boosted Beaumont Build

Great weight savings.

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post #85 of 85 (permalink) Old Today, 2:15 AM Thread Starter
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Chris
 
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So here we go frame reinforcing. I did this last year when I put the stick in the car. With the torque output of the 502 and clutch dumps I immediately noticed some twisting going on. I’ll be honestly most of that is probably because of the factory body mounts still in place. That said I did this before drag week so replacing them was not a option, it was easier to weld steel in my world.

So to reinforce the frame I boxed it and added 2 additional mounts. Boy am I glad I did. The difference in torsion and rigidity was drastic, most of which are from the additional frame mounts. So both frame mounts were added at the body cross members. Once completed there was enough torque if you didn’t use a body mount you could literally twist the frame. The rear one is a single mount, the middle of front one I double mounted it just because I extended it further into the Center of the car. The corner pockets at the front I overlapped onto the original frame horns.

One last thing I need to finish is where the frame bends is to bring that down a brace to the cross member, mayby this winter when I have time.

The result, I jack this up with 3 stands and mayby see 1/2” deflection on the 1 side without a jack stand. I’ll take it!
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is online now  
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