Portland 45-Minute Race 1981

Portland International Raceway

The 1981 Portland 45-Minute Race , also GI Joe's Datsun Grand Prix (Camel GTU), Portland International Raceway , took place on August 2nd of this year at Portland International Raceway . The race was the 16th round of the IMSA GTP series in 1981 and only counted towards the GTU class.

The race

For the fifth time in the season, a sprint race took place as part of an IMSA championship run , which only counted in the GTU class and lasted 45 minutes. Once again, the two Mazda RX-7 pilots Lee Mueller and Walt Bohren fought a duel for victory, which this time Mueller won with a nine-second lead over his team-mate Bohren.

Results

Final ranking

Item	class	No.	team	driver	vehicle	Round
1	GTU	92	Kent Racing	Lee Mueller	Mazda RX-7	37
2	GTU	98	Kent Racing	Walt Drilling	Mazda RX-7	37
3	GTU	22nd	Personalized car dealership	Wayne Baker	Porsche 914/4	37
4th	GTU	82	Trinity Racing	Jim Cock	Mazda RX-7	37
5	GTU	77	JLC Racing	Jeff Kline	Mazda RX-7	37
6th	GTU	62	Golden Eagle Racing Cone Ent.	Bill Koll	Porsche 911SC	37
7th	GTU	16	George Follmer	George Follmer	Toyota Celica	37
8th	GTU	45	Autosport Technology	Dwight Mitchell	Porsche 914/6	36
9	GTU	74	Casey Mollett	Casey Mollett	Datsun 280ZX	36
10	GTU	95	Stu Fisher	Stu Fisher	Datsun Z	36
11	GTU	57		Jeff Scott	Porsche 914/6	35
12	GTU	90	Jerry Murch	Jerry Murch	Datsun Z	34
13	SP GP2	80		Mike Rickman	Datsun 200SX	34
14th	SP GP2	46	Terry Flanagan	Terry Flanagan	BMW 2002	34
15th	SP GP2	79		Marta Leonard	Datsun B210	33
16	SP GP2	8th	Patrick Pearson	Patrick Pearson	Datsun 1200	31
Failed
17th	SP GP2	23	Raytown Datsun	Frank Carney	Datsun 280ZX	14th
18th	GTU	6th	Roger Burpee	Roger Burpee	Datsun Z	11
19th	SP GP2	21st	Richard Meyer	Richard Meyer	Volvo 122F	9

Only in the entry list

Here you will find teams, drivers and vehicles that were originally registered for the race but did not take part for a variety of reasons.

Item	class	No.	team	driver	chassis
20th	GTU	4th	Autopia Racing	Exay Borrero	BMW 320i
21st	SP GP2	9	Barry Kowalchuk	Barry Kowalchuk	BMW 2002
22nd	GTU	14th	Ron Emmerson	Ron Emmerson	Datsun Z
23	GTU	15th	George Follmer	George Follmer	Toyota Celica
24	GTU	39	Greg LaCava	Greg LaCava	Porsche 911
25th	GTU	49	Joel Anderson	Joel Anderson	Datsun Z
26th	SP GP2	53	Jon Norman	Jon Norman	Alfa Romeo
27	GTU	69	Nick Feodorhoff	Nick Feodorhoff	Porsche 911

Class winner

class	driver	vehicle	Placement in the overall ranking
GTU	Lee Mueller	Mazda RX-7	Overall victory
SP GP2	Mike Rickman	Datsun 200SX	Rank 13

Racing data

• Registered: 27
• Started: 19
• Valued: 16
• Race classes: 2
• Spectator: unknown
• Weather on race day: unknown
• Route length: 3.082 km
• Driving time of the winning team: 0:46: 10.550 hours
• Total laps of the winning team: 37
• Total distance of the winning team: 114.038 km
• Winner's average: 148.169 km / h
• Pole position: unknown
• Fastest race lap: Lee Mueller - Mazda RX-7 (# 92) - 1: 13.950 - 150.031 km / h
• Racing series: 16th round of the IMSA GTP series in 1981

literature

• JA Martin and Ken Welles: Prototypes - the History of the IMSA GTP Series . Bull Publishing, Phoenix 2000, ISBN 1-893618-01-3 .

Web links

• Results at wsrp.cz