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Rankings updated: 08/16/25 03:02:43 am EDT

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439

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© Rod Hynes Wally Grangruth (M) from California USA   (Comp Nr/Finish: ) 1971 - Category: FUELALT, Type: AN, Class: A/FA, Div: 7
"Thundermug" Owned by Wally Grangruth from California USA Crew Chief: Wally Grangruth
32 Austin/Bantam Altered by an Unknown chassis builder | Powered by Injected Nitro 427 Chevrolet with 3 speed manual transmission
1/4 Mile ET: 8.310 at Unknown         1/4 Mile MPH: 165.74 at Unknown
1000 FT ET: Unknown at Unknown    1000 FT MPH: Unknown at Unknown
1/8 Mile ET: Unknown at Unknown    1/8 Mile MPH: Unknown at Unknown
Entry's 1971 Performance Ratings (0 to 100) based on comparison to average ET/MPH:
1/4 Mile Rating: ET 00.95, MPH 00.93    Entry is 1.13370 times average ET and 0.85451 times average MPH
1000 FT Rating: ET 00.00, MPH 00.00 Entry is 0.00000 times average ET and 0.00000 times average MPH
1/8 Mile Rating: ET 00.00, MPH 00.00 Entry is 0.00000 times average ET and 0.00000 times average MPH
1971 Records: 1/4 Mile: 6.719 ET, 216.86 MPH    1000 Ft. 0.000 ET, 0.00 MPH    1/8 Mile: 0.000 ET, 0.00 MPH   
1971 Average: 1/4 Mile: 7.330 ET, 193.96 MPH 1000 Ft. 0.000 ET, 0.00 MPH 1/8 Mile: 0.000 ET, 0.00 MPH
1971 Minimum: 1/4 Mile: 7.941 ET, 179.06 MPH 1000 Ft. 0.000 ET, 0.00 MPH 1/8 Mile: 0.000 ET, 0.00 MPH
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Notes: Grangruth started with former Horchar Bros. Bantam and ran A/FA with BBC. Later, I built this unique car, which featured the driver's seat offset to the left. When the car was finished, the injected nitro class was dumped, forcing Grangruth to run blown gas.
Submitted by Bill Duke, Last updated on Saturday, August 16, 2025, 03:16:19 PM by Bill Duke.

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