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Bobby Unser IROC II champion 1974 Camaro

 
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MarkJ



Joined: 29 Jan 2018
Posts: 1300

PostPosted: Mon Jan 31, 2022 3:53 pm    Post subject: Bobby Unser IROC II champion 1974 Camaro Reply with quote

Finally got this one finished. It took 333 hours to complete or 8 months, whichever way you want to look at it. It is my first totally brush painted model. I used Vallejo acrylic paint throughout the build. The 1974/75 IROC season was the first that the Camaro was used as the make for the series of 4 races. Two were at Riverside and one each at Michigan and the finale at Daytona during the 1975 Speedweeks. Unser just beat Foyt by a nose to win the race and the series championship. The Camaro was basically a stock car with unibody construction. They did not use a Banjo chassis till 1977. It had a Traco Chevy 336 cubic inch engine pumping out 440 horsepower. The engines were built within 5 horsepower up or down between them and tuned for longevity not raw power. Revs were kept at 7200. Roger Penske and Les Richter came up with the IROC series and decided after the first year using Porsches they would switch to the Camaro. 15 identical cars were built for the series with 12 actually competing and 3 kept as backups. Unser had to use a backup after crashing his car at the start of the first Riverside race. He was lucky to have escaped without any injuries. The right side of the car was caved in right to the transmission tunnel. Dave Marcis, Jim Sauter and Dick Trickle set the cars up for competition. The 1974 Camaro body was used for the 1974 through the 1980 seasons. Unser won 50,000 dollars for his championship. I learned a lot about IROC from doing this build.











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MarkJ



Joined: 29 Jan 2018
Posts: 1300

PostPosted: Mon Jan 31, 2022 3:56 pm    Post subject: Reply with quote





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Dennis O
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Joined: 28 Jan 2018
Posts: 879
Location: Louisville, Ky.

PostPosted: Mon Jan 31, 2022 4:44 pm    Post subject: Reply with quote

Very nice build. Would you care to share details? Kit used, chassis used, how your flared the fenders etc etc.
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MarkJ



Joined: 29 Jan 2018
Posts: 1300

PostPosted: Mon Jan 31, 2022 4:57 pm    Post subject: Reply with quote

Dennis O wrote:
Very nice build. Would you care to share details? Kit used, chassis used, how your flared the fenders etc etc.


Dennis, it would be easier to give you the 2 links for the wips. Look at the first one first

http://www.modelcarsmag.com/forums/topic/162792-1974-camaro/

http://www.modelcarsmag.com/forums/topic/163477-1974-camaro-continued/
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Henryjint



Joined: 28 Jan 2018
Posts: 1968
Location: NY State's Hudson Valley

PostPosted: Mon Jan 31, 2022 7:41 pm    Post subject: Reply with quote

Very nicely done!!
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Pierre Rivard



Joined: 25 Feb 2021
Posts: 378
Location: Montreal, Canada

PostPosted: Tue Feb 01, 2022 9:30 am    Post subject: Reply with quote

What a beauty Mark!
So much work into this one. Making a 74 out of a 70 in something very few could pull of. Hats off to you for your vision and resilience.
I can't get over these great Minilite wheels knowing that you actually scratch built them.
Impressive build.
notworthy
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gks1964



Joined: 01 Feb 2020
Posts: 263

PostPosted: Tue Feb 01, 2022 1:52 pm    Post subject: Reply with quote

Followed the whole process!!
Awesome job!!
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Dennis O
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PostPosted: Tue Feb 01, 2022 4:42 pm    Post subject: Reply with quote

All I can say is WOW!!
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Pierre Rivard



Joined: 25 Feb 2021
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Location: Montreal, Canada

PostPosted: Wed Feb 02, 2022 7:59 am    Post subject: Reply with quote

Mark, are these the bumpers you did with the chrome pen?
They look spot on!
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MarkJ



Joined: 29 Jan 2018
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PostPosted: Wed Feb 02, 2022 8:51 am    Post subject: Reply with quote

Pierre Rivard wrote:
Mark, are these the bumpers you did with the chrome pen?
They look spot on!


Yes, they are, but I learned that I should have futured them after 24 hours because they tend to rub off and dull when they are handled. I had to redo a lot of places like the drip rails because I have a bad habit of picking the model up by the drip rails when working on it. I also used the pen on the grille. To me it's a lot better than the molotow pens because it is actually an enamel paint pen not an alcohol pen like the molowtow. As usual, I'm seeing a lot of things that I missed that should have been sanded better or made smoother before applying the pen. Getting too old, I guess.
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hawk22



Joined: 28 Jan 2018
Posts: 296
Location: Northern Virginia

PostPosted: Wed Feb 02, 2022 8:32 pm    Post subject: Reply with quote

Cool model but to be honest these were not very good looking race cars. Saw them run at Daytona (back in 75?) & the biggest memory was how easy those guys would destroy those fender flares against the front stretch wall.
But it was fun and I’m glad to have been there.

People that don’t built models would never believe the amount of hours involved. 333 is a lot!!!
I probably average around 80 per model.

Nice work. And unusual choice for sure…

Also saw the Porsches run The first IROC series at Daytona.
Remember David Pearson complaining there was no room inside the car.
He was as quick as anyone but seemed to get boarded with the road course
And just stayed on the speedway.
The Porsches were very pretty & colorful little race cars…
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MarkJ



Joined: 29 Jan 2018
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PostPosted: Thu Feb 03, 2022 9:53 am    Post subject: Reply with quote

hawk22 wrote:
Cool model but to be honest these were not very good looking race cars. Saw them run at Daytona (back in 75?) & the biggest memory was how easy those guys would destroy those fender flares against the front stretch wall.
But it was fun and I’m glad to have been there.

People that don’t built models would never believe the amount of hours involved. 333 is a lot!!!
I probably average around 80 per model.

Nice work. And unusual choice for sure…

Also saw the Porsches run The first IROC series at Daytona.
Remember David Pearson complaining there was no room inside the car.
He was as quick as anyone but seemed to get boarded with the road course
And just stayed on the speedway.
The Porsches were very pretty & colorful little race cars…


That is cool that you got to witness these early races in person. apparently Foyt and Unser did a lot of bump drafting because by the end of that championship race in 75 both of them had their grilles caved in.





In this artist conception of the finish of that 75 Daytona race you can see how close the finish was and the caved in grilles they shared. I'm guessing their bump drafting got them both to the front. I don't know if the color photographs I used to determine the color was wrong or the artists memory of what the color of Unser's car was. I figured the photograph would probably be more accurate. Most of the reference pictures I found were black and white.


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hawk22



Joined: 28 Jan 2018
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Location: Northern Virginia

PostPosted: Thu Feb 03, 2022 12:09 pm    Post subject: Reply with quote

Those older Indy drivers just wanted to show off or just didn’t care.
That was my thoughts when watching the race.
Cars were fast and I don’t think nearly as safe as the grand national cars of
This era.
But of course I was there for the Daytona 500.
So this race with the funny looking
Camaros was a bonus !!!
Long time ago. Memories fade. But I do remember fiberglass all over the place!!!
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MarkJ



Joined: 29 Jan 2018
Posts: 1300

PostPosted: Thu Feb 03, 2022 1:14 pm    Post subject: Reply with quote

hawk22 wrote:
Those older Indy drivers just wanted to show off or just didn’t care.
That was my thoughts when watching the race.
Cars were fast and I don’t think nearly as safe as the grand national cars of
This era.
But of course I was there for the Daytona 500.
So this race with the funny looking
Camaros was a bonus !!!
Long time ago. Memories fade. But I do remember fiberglass all over the place!!!


Yes, those fender flares were bolted on, but I did not want to take the time to model it that way. That would have been a bridge too far for me.
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wildbill72



Joined: 28 Jan 2018
Posts: 112
Location: Grand Rapids, Mi

PostPosted: Thu Feb 03, 2022 4:15 pm    Post subject: Reply with quote

Looks awesome! Great job!
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Toys4Don



Joined: 31 Jan 2018
Posts: 226

PostPosted: Sun Feb 06, 2022 4:33 pm    Post subject: Reply with quote

It turned out great. Worth all those hours!!
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MarkJ



Joined: 29 Jan 2018
Posts: 1300

PostPosted: Mon Feb 07, 2022 12:25 pm    Post subject: Reply with quote

Thanks, guys. I really enjoyed the positive feedback.
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Bob B



Joined: 22 Nov 2020
Posts: 67

PostPosted: Thu Feb 10, 2022 7:13 pm    Post subject: Reply with quote

SWEET! Well done Mark!
Great builds take time and patience!
Bob B
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halfbreed999



Joined: 31 Jan 2018
Posts: 181
Location: Just west of Chicago

PostPosted: Fri Feb 11, 2022 8:47 pm    Post subject: Reply with quote

Awesome work Mark. Glad to see someone tackled one of these builds. Now thst was racing.
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