Boosted Beaumont Build - Page 4 - Chevelle Tech
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post #46 of 82 (permalink) Old Apr 28th, 19, 5:08 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 861
Quote:
Originally Posted by toofastforyou View Post
"GoFast Beaumont", what kind of alternator is that?…

Claude. <img src="https://www.chevelles.com/forums/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />
It’s a MSD alternator. P/n 5110. 160 amp. You can move the mounts anywhere on the body. Pretty versatile for custom applications.

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
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post #47 of 82 (permalink) Old May 4th, 19, 12:55 AM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 861
Well I built a power steering reservoir, I couldn’t find anything I liked on the market. This is a 3 port version. 2 separate lines coming in from the hydro boost and power steering, and 1 feed line to the pump. It will sit on the drivers side fender. No baffling and should hold about 0.5-0.75 qrt capacity. Should be plenty, don’t really need a lot of reservoir given I have a cooler on the system.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #48 of 82 (permalink) Old May 8th, 19, 12:25 AM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 861
Just some update photos for unfinished work.

BOV plumbing completed.

Fuel lines completed. Just a side note there are a lot of cheap fuel filters on the market. There is a difference between a brand name filter and a cheap one, the housings look the same but there not the same on the inside.

Ran some twist-lol hose from the firewall to the sniper setup. Apparently this is NHRA approved stuff. No clamps required.

MSD cool mount completed on the calve cover. Complete with vibratory mounts.

Boost reference line for the easy gate completed.

And of course a turbo blanket to keep the heat down and custom stainless steel dip stick for the oil.
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71350SS likes this.

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
 
post #49 of 82 (permalink) Old May 16th, 19, 1:40 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 861
Well charge tube got finished up, pretty tight squeeze I’d say but it works.
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71350SS likes this.

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #50 of 82 (permalink) Old May 16th, 19, 1:48 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
Posts: 861
So how do I upload a video?

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #51 of 82 (permalink) Old May 25th, 19, 10:37 AM Thread Starter
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Chris
 
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Location: Calgary, Alberta, Canada
Posts: 861
Re: Boosted Beaumont Build

well its running!!!

The holley sniper system, all I can say is WOW. what a drastic difference. The camshaft in this motor is a hydro roller at 650ish lift, needles to say now it is smooth as silk. For a stick car I can idle/cruise around at 1500rpm or lower. Before this would never happen.

As for the whole turbo setup, I got some tuning to do.... I think. The power doesn't feel as near as strong/aggressive compared to my NA setup. Many say that with a turbo setup the power is completely different, more smoother and linear vs all at once. It leaves slow and drives straight, doesn't spin a tire. I would think with higher boost levels it would completely destroy the drag radials. This could be from having the chassis setup better than originally though, but you never know. I need to keep in mind some critical points with all this as the RPM range has dropped 1000 over the entire board, 30lb flywheel vs 13lb, and EFI.

I started at 3, 5, 7, & now at 12 psi. Boost starts to generate at about 18-2000 rpm and I reach max boost at any set pressure for 3000rpm, so it comes on fairly quick. I am thinking I don't have the timing aligned with the sniper numbers currently. a double check will be required. I will also need to get my bench mark buddy out and do a couple of pulls, see who really is in front.

As for the rest of the system it works great. The A to A intercooler is only 5-10F above ambient when running through the gears. The temperature just sites between 180-190 all the time. 6th gear on the highway is much more usable. At about 65mph I am turning 2-2200rpm, I could pass nothing with a carburetor. Now it just sails by whatever you want without downshifting.

Overall I am happy with the setup, just need to get a handle on the power thing and if I am missing something.

Some items I need to finish before race week is wrapping the exhaust, fixing some small leaks, and smooth out the sniper tune. At this point I will be at Race Week!!!
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #52 of 82 (permalink) Old May 29th, 19, 12:42 PM
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Chris
 
Join Date: Jul 2007
Location: Kelowna, BC, Canada
Posts: 946
Re: Boosted Beaumont Build

Have you looked at these batteries:

https://performancedistributors.com/product/dyna-batt/

Might be a good option if the motorcycle batteries aren't up to the task. My buddy runs something similar on his Camaro and it works well.

1969 Beaumont
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post #53 of 82 (permalink) Old May 31st, 19, 8:25 AM Thread Starter
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Chris
 
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Well, took the Beaumont down to the scale. Turns out it’s lighter than I thought. 3780lbs. My last weigh in was when it was a 4spd with a steel hood at 3750. I know with a steel hood and the 6spd I guesstimate it at 3850ish range. Anyways I am doing pretty decent for a full on street car. Note at 3780lbs that’s with a 12gallons of gas and a fibreglass hood which would play a big role in weight. Overall the whole turbo system didn’t add as much as I thought it would over a NA setup.

Some weight reduction points:
Single exhaust
Single muffler
2x smaller batteries
Fibreglass hood
GM type II steering box
Manifolds over headers

52/48 weight distribution isn’t to shabby either. Not sure what everyone else is at.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #54 of 82 (permalink) Old May 31st, 19, 8:42 AM
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Re: Boosted Beaumont Build

That's a very cool car and an awesome build..Very nice man.

Any finished project pics of the whole car?
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post #55 of 82 (permalink) Old Jun 12th, 19, 5:32 PM
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Chris
 
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Re: Boosted Beaumont Build

Nice work! That weight is lighter than I would have guessed too. My N/A SBC Beaumont weighs in at 3450 lbs. Seems a lot of N/A BBC guys are close to 4000 lbs. When will it hit the track for some shakedown runs?

1969 Beaumont
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post #56 of 82 (permalink) Old Jun 19th, 19, 4:45 PM
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Chris
 
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Location: Alberta, Canada
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Re: Boosted Beaumont Build

I think I've spotted Chris' Beaumont in a Cleetus video during Rocky Mountain Race Week.

11:28 of video.
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1971 Chevelle SS454, T56 Magnum 6 speed, 3.31 Posi

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post #57 of 82 (permalink) Old Jun 27th, 19, 4:02 PM Thread Starter
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Chris
 
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Re: Boosted Beaumont Build

Well that was a Adventure!!!

all in all I put on 4200miles (6800km), maybe more, on the Beaumont between my drive down, raceweek, and a road trip back. What a wicked time.

Trip route if you will

Calgary AB(start)
Great Falls MT
Billings MT
Someback Road
Casper WY
Cheyenne WY
Denver CO
Pueblo CO
Bandermire CO
Kearny NB
Julsberg CO
Pueblo CO
Pikes Peak CO
Cheyenne WY
Rawlins WY
Teton National Park
Yellow Stone National Park
West Yellowstone
Gardnier MO
Bozeman MO
Helena MO
Flathead National Forest
Lake Blaine
The Sun Road at Glacier National Park
Calgary AB (Finish)

Overall I was impressed at how well the car did for such a long haul. I managed 17-18mpg at approx. 75MPH, and by the time I got up to 85-90mph it was down to 13-14mph. Pretty awesome really from last years carb setup.

Overall track performance I have some work to do. I could only manage low 12's with the new setup compared to mid 11's last year. I mostly attribute the lack of performance from running a turbo that is too small and not enough time to tune correctly. as well I was battling some issues with fuel pressure, boost, timing, two step setup. this is somewhat expected with only 30miles on this whole setup before starting the adventure to race week, vary rarely do we get the setups spot on in the first run.

upcoming upgrades will be a 88mm or larger turbo, camshaft, deeper overdrive gears, and a engine rebuild.

As for my budget 502, it needs a rebuild. Most don't know but this motor has over 3000hrs on it and by the end of this trip I don't think any of the piston rings are sealing right now. HEH even with the vacuum pump tuned up ALOT I am pushing the dipstick out and pushing oil out of the manifold bolts. Needles to say I will get a bigger turbo first and really push the limits of the motor before the rebuild, do it junkyard LS style.... just with a big block!


As for the Race Week event, I will be signing up for 2020 as well. These events are a blast. You meet a lot of like minded people with the same interests and determination. The adventure alone is work the price.
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #58 of 82 (permalink) Old Jun 27th, 19, 4:04 PM Thread Starter
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Chris
 
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Location: Calgary, Alberta, Canada
Posts: 861
Re: Boosted Beaumont Build

hopefully this picture works


[ATTACH][/ATTACH]


[ATTACH][/ATTACH]
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #59 of 82 (permalink) Old Jun 27th, 19, 8:33 PM Thread Starter
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Chris
 
Join Date: Apr 2010
Location: Calgary, Alberta, Canada
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Quote:
Originally Posted by 68SuperSport* View Post
That's a very cool car and an awesome build..Very nice man.

Any finished project pics of the whole car?
Finished... managed to wrinkle the sidewalk of a 296 ET street SS!
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1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
HP and ET not determined yet!
GoFast Beaumont is offline  
post #60 of 82 (permalink) Old Jun 28th, 19, 12:54 AM
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Chris
 
Join Date: Aug 2002
Location: Alberta, Canada
Posts: 5,946
Re: Boosted Beaumont Build

Way to go! Driving the whole trip is a success by itself. What kind of MPH did you manage?

Did you drive the whole trip on the drag radials?

1971 Chevelle SS454, T56 Magnum 6 speed, 3.31 Posi

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