Forum: C4 ZR-1 General Postings
08-05-2007
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Replies: 32
Views: 4,305
Re: Got beat today by a M5
Definitely going to go with the headers. Not sure what kind or where to get them. As far as the M5 goes, I never saw my actual speed. I had one eye on the tach and the other eye on the road when...
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Forum: C4 ZR-1 General Postings
08-02-2007
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Replies: 32
Views: 4,305
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Forum: C4 ZR-1 General Postings
08-01-2007
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Replies: 32
Views: 4,305
Re: Got beat today by a M5
My car is ported, k&n, cut out the bumper for max air flow, Doug Rippie chip, Accell injectors, Borla exhaust, aluminum fly wheel, and running octane booster. The M5 was a few car lengths behind me...
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Forum: C4 ZR-1 General Postings
07-31-2007
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Replies: 32
Views: 4,305
Got beat today by a M5
At 5500 RPM in 5th gear he past me with ease. New M5 most likley the 500 HP V10. So now I want to supercharge my car...anyone have an idea how?
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Forum: C4 ZR-1 Technical Postings
07-03-2007
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Replies: 4
Views: 3,500
Re: Radiator questions
I just replaced mine with a modine purchased at Napa auto parts. It was the same except it had threaded transmission ports on the right side which I did not use. It cost $267 and they even had it...
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Forum: C4 ZR-1 General Postings
06-23-2007
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Replies: 185
Views: 84,302
Re: Best Sounding Exhaust for the ZR-1
OK...B&B it is. I have a 91 which had a Borla exhaust with SS tubing when I purchased the car. Was this stock? Where do I get the B&B system? Any part numbers?
Thanks for any help!
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Forum: C4 ZR-1 Technical Postings
06-17-2007
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Replies: 19
Views: 3,764
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Forum: C4 ZR-1 Technical Postings
06-13-2007
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Replies: 43
Views: 13,120
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Forum: C4 ZR-1 Technical Postings
06-11-2007
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Replies: 43
Views: 13,120
Re: fuel injectors
Uh oh. Please don't tell me I installed the wrong ones. I got the part number from posting in this thread:
http://zr1netregistry.com/forum/showthread.php?t=3017&highlight=150821
To make...
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Forum: C4 ZR-1 Technical Postings
06-11-2007
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Replies: 10
Views: 3,436
Re: remoning the secondaries how?
Mike,
How did it run after they were removed? Did you notice a sizeable increase in power? Is ther vehicle smog issues in texas that could be a concerne here?
Thanks!!!
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Forum: C4 ZR-1 Technical Postings
06-10-2007
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Replies: 43
Views: 13,120
Re: fuel injectors
Thanks Tom! I got them from Summit Racing which wasn't too far from me.
Part number ACC-150821 which is a set of 8 so you need 2. Total cost was
$579.72. When you install them, use the outer...
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Forum: C4 ZR-1 Technical Postings
06-09-2007
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Replies: 13
Views: 2,572
Re: Fuel Regulator
Got it. Makes sense now. Thanks for all your help. On a different note, anyone ever try running the LT5 without the secondary port shutters? I bought my engine from Dick Guldstrand and he told me...
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Forum: C4 ZR-1 Technical Postings
06-09-2007
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Replies: 13
Views: 2,572
Re: Fuel Regulator
Thanks Carter. So the engine shouldn't have fired with the vacuum hose removed...right?
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Forum: C4 ZR-1 Technical Postings
06-09-2007
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Replies: 13
Views: 2,572
Re: Fuel Regulator
The car runs fine with it all hooked up. I'm just trying to figure out if the car should fire up at all if this device controls fuel delivery.
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Forum: C4 ZR-1 Technical Postings
06-09-2007
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Replies: 13
Views: 2,572
Re: Fuel Regulator
Thanks Tyler. This vacuum line is visible from the top of the plenum and the device it connects to has fuel lines running throught it. It is black and round with a small 1/8 tube connector on the...
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Forum: C4 ZR-1 Technical Postings
06-09-2007
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Replies: 43
Views: 13,120
Re: fuel injectors
Yes they are all the same. I just replaced mine with the accels and they work great on my 91.
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Forum: C4 ZR-1 General Postings
06-07-2007
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Replies: 78
Views: 11,468
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Forum: C4 ZR-1 Technical Postings
06-07-2007
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Replies: 13
Views: 2,572
Fuel Regulator
I think my fuel regulator which is located at the rear of the plenum is bad. I removed the vacuum line to it today and forgot to put it back, then started the car and drove down the block. The car...
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Forum: C4 ZR-1 Technical Postings
05-28-2007
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Replies: 7
Views: 1,701
Re: Need help pulling plenum...!!!
Just pulled mine off today....about the 15th time. Is it even loose? All the torx that hold it on are from the top...6 per side 12 in all. Hit it with a rubber hammer or a peice of wood from the...
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Forum: C4 ZR-1 Technical Postings
05-27-2007
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Replies: 85
Views: 18,662
Re: Fuel Injectors
Well just got back from Reno and have 16 Acell 158021 injectors. The connector is not the same so the groves don't line up. I guess I'm just suppose to work it on til the connector snaps on. My...
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Forum: C4 ZR-1 Technical Postings
05-26-2007
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Replies: 85
Views: 18,662
Re: Fuel Injectors
Cool! Ever since the first time I laid eyes on a ZR-1 I have always looked for the emblem on the rear of passing vettes. With that, I have probably only seen about 10 Z's in my life! One was here...
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Forum: C4 ZR-1 Technical Postings
05-26-2007
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Replies: 85
Views: 18,662
Re: Fuel Injectors
tccrab....
Still in Folsom? I'm in Briggs Ranch and thought I was the only one in the city with a Z! Anyhow I have a black 91 that needs injectors. Is there any place in the area that you know...
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Forum: C4 ZR-1 Technical Postings
04-02-2004
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Replies: 1
Views: 3,444
#4 NOT FIREING WELL
My lt5's #4 cilynder is missing a lot but not all the time. I replaced plugs, wires and had all injectors cleaned and tested but no change. If i allow #4 spark plug wire to arc to ground the engine...
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