THAT JIM HALL RACING FERRARI with Chevy engine

Carroll Shelby told me in person that, when he was partners with Jim Hall's brother in a used sports car dealership, they had this beat up Ferrari race car with a Chevy engine they never washed. Is this 750 Monza on barchettacc.com the same car?
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0510M 55
Ferrari 750 Monza Spyder Scaglietti Series I, RHD
white with triangle from nose to windshield
Date Result Event Driver # Reference
55 - Allen Guiberson, Dallas, TX, USA C62 p18
55/mar/13 2nd OA
1st S3.0 12h Sebring Phil Hill /
Carroll Shelby #25
55/mar/26 dna Palm Springs
M+3.0 Phil Hill #2
55/mar/27 dna Palm Springs
S +1500 Phil Hill #2
55/apr/17 1st OA
1st DM Pebble Beach Phil Hill #2 d PH52 p12
55/jul/04 1st OA SCCA Beverly,
race 3 Phil Hill #3 this was 0498M
George Tilp entry
55/jul/04 1st OA SCCA Beverly,
race 6 Phil Hill #3 this was 0498M
George Tilp entry
56 - James Ellis 'Jim' Hall, Midland, TX, USA
.. - according to Eaton car has a 860 Monza engine
56/apr/22 1st OA
1st DM Pebble Beach
Del Monte Trophy
Modified +1.5 Carroll Shelby #24 D
56/apr/29 1st OA
1st DM Dodge City
Regional-Boot Hill Trophy prelim Carroll Shelby #55
56/apr/29 1st OA
1st DM Dodge City
Regional Front Street Trophy Race
main Carroll Shelby #55
56/jun/03 2nd Fort Worth
prelim Carroll Shelby #110
56/jun/03 2nd OA
1st DM SCCA National Eagle Mountain
Fort Worth, Guard Base
BM, CM, DM, EM
race 4 Carroll Shelby #110
56/jun/03 1st OA
1st DM SCCA National Eagle Mountain
Fort Worth, Guard Base
BM, CM, DM, GM, HM
race 6 Carroll Shelby #110 Motoracing 56/may/27 p3
57/may/18 6th OA
2nd DM Santa Barbara
BM, CM, DM, EM
Preliminary Jim Hall #1
57/may/19 7th OA
3rd DM Santa Barbara
S+1.5 Jim Hall #1
57/jun/02 2nd OA
2nd DM SCCA National Eagle mountain
NGB, Fort Worth TX
BM, CM, DM, EM, FM, GM,
preliminary Jim Hall #111
57/jun/02 15th OA
1st DM SCCA National Eagle mountain
NGB, Fort Worth TX
CM, DM, EM, FM, GM, BP Jim Roberts #111
57/jul/07 3rd OA
2nd DM Gran Carrera Lafitte,
Galveston
BM+CM+DM+EM+FM Jim Hall #...
57/jul/07 ... OA
3rd DM
Gran Carrera Lafitte,
Galveston
BM+CM+DM+EM+FM+BP+CP Jim Hall /
Duncan Black #...
57/jul/19- 20
white with white dark band
from lights to Musso and
two points on headrest 1st Wilkes-Barre Duncan Black #20 FY57
58/sep/21 ... Galveston
CM, DM, EM, FM
preliminary Jim Hall powered by Chevy engine
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PARDON THE INTERRUPTION IN CHRONOLOGY FOR ME TO ASK QUESTIONS
So when it sat for 30 plus years was it still owned by Jim Hall?
If not, what year was it sold, to whom and anybody know the price?
What restoration shop restored it?
Were they able to get the original engine?
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93 - undergoing restoration
05/aug/21 display Pebble Beach Concours Jim Hall

16/aug/19-20 - RM Sotheby's Monterey Auction
Est. $4,000,000 - $5,500,000 - Sold $5,225,000