BBK Throttle Body prob
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Junior Member
Joined: Jun 2006
Posts: 53
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From: Lemont, IL
Car: 1988 Camaro
Engine: 383
Transmission: Tremec TKO
Axle/Gears: 373
BBK Throttle Body prob
Wonder if anyone heard of this or know how to fix it. I have a 58mm BBK Thottle body and its very touchy when I hit the gas pedal. The pedal is very firm and I have to use a good amount of pressure to push it down. Then when it goes down, it seens like it opens to quickly. Which sometimes make it difficult coming off the clutch and when shifting gears. Is it just because its a 58mm or bc its a BBK or is there an adjustment for pedel pressure?
Thanks
Thanks
Senior Member
Joined: Mar 2003
Posts: 851
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From: vacaville,ca
Car: 1988 camaro z28,1997 camaro lt1
Engine: 355 afr 195 heads,tpis big mouth
Transmission: 700r-4 built by me 3-4 z pack
Axle/Gears: 3.42
Re: BBK Throttle Body prob
Did you put small washers between the Tps sensor and throttlebody
Joined: Apr 2005
Posts: 7,736
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: BBK Throttle Body prob
its very touchy when I hit the gas pedal. The pedal is very firm and I have to use a good amount of pressure to push it down. Then when it goes down, it seens like it opens to quickly.
Which sometimes make it difficult coming off the clutch and when shifting gears. Is it just because its a 58mm or bc its a BBK
Which sometimes make it difficult coming off the clutch and when shifting gears. Is it just because its a 58mm or bc its a BBK
My BBK 58mm is the same and is very hard to tickle the throttle when in slow moving traffic
Thread Starter
Junior Member
Joined: Jun 2006
Posts: 53
Likes: 0
From: Lemont, IL
Car: 1988 Camaro
Engine: 383
Transmission: Tremec TKO
Axle/Gears: 373
Re: BBK Throttle Body prob
I dont put a washer between. What would that do?
The stonger spring makes sense. Are all larger TB goin to feel that way? Anyone have a holley or other makes etc. that they can speak about how it feels?
The stonger spring makes sense. Are all larger TB goin to feel that way? Anyone have a holley or other makes etc. that they can speak about how it feels?
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Posts: 55
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From: Eastern Virginia
Car: 1938 Chevy 2 dr Sedan
Engine: Dart400 AFR190 TPIS ZZ409 Big Mouth
Transmission: Gearstar 700R4 level 4
Axle/Gears: Moser 12bolt-Det Trac loc 3:42
Re: BBK Throttle Body prob
about the washers between the TB and TPS is that an old trick or the stock configuration?
Supreme Member
Joined: Apr 2010
Posts: 4,337
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From: Aurora, OR
Car: 87 IROC Z28
Engine: 355 cid TPI
Transmission: Custom Built 700R4 w/3,500 stall
Axle/Gears: QP fab 9" 3.70 Truetrac
Re: BBK Throttle Body prob
I guess I've had my BBK 58mm for so long that I just don't notice an issue with it. Honesly can't remember it ever being a problem but I did install it with the engine 14 years ago.
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