85 TPI No Bottom End Power

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Aug 4, 2011 | 10:13 PM

Gen3FTW

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Junior Member

Joined: Apr 2010

Posts: 43

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From: North Dakota

Car: 1985 Z28 Camaro

Engine: 385 Stroker

Transmission: 700R4

Axle/Gears: 4:11

85 TPI No Bottom End Power

What could cause my motor to not start pulling hard till after around 2500rpm?
The other odd thing about it is it seems to be getting worse. Last Year at the drags last year it ran 14 flats, this year it's running low 15s.

I'm thinking it's maybe the injectors. They are original.

Any suggestions is greatly appreciated!

Aug 5, 2011 | 02:21 PM

old z mzn

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iTrader: (1)

Joined: Aug 2007

Posts: 277

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From: batavia ohio

Car: 1992 z-28

Engine: 383 stealthram

Transmission: auto

Axle/Gears: 4.10

Re: 85 TPI No Bottom End Power

how many miles

Aug 5, 2011 | 03:52 PM

87350IROC

Supreme Member

iTrader: (2)

Joined: May 2002

Posts: 4,449

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From: Everett, WA

Car: 87' IROC

Engine: L98

Transmission: T56

Re: 85 TPI No Bottom End Power

Quote:

Originally Posted by Gen3FTW

Hmmm. 14.0s??? Thats pretty fast for a 305 TPI. Is your engine stock?

Aug 5, 2011 | 04:52 PM

J91

Supreme Member

Joined: Jan 2009

Posts: 1,126

Likes: 0

From: Columbus Ohio

Car: 91 Z28,64ImpalaSS4094spd,67 Galaxy

Engine: Dart 415Profiler hd,cmprlrs,Hlly750

Transmission: Built 700R4, 3200 stall

Axle/Gears: 3:89 Moser 9"

Re: 85 TPI No Bottom End Power

Could be alot of things, Does it need a tune-up? Plugs, wires, cap, rotor. Is the airfilter clean? Good fuel pressure? Fuel filter? Is timing correct? How about some more info, all of these will contribute to a car running poorly...