General questions about my C5
Thread Starter
Cruising
Joined: Jun 2011
Posts: 10
Likes: 0
General questions about my C5
Hello everyone,
Last time i posted, i was looking at buying a Vette. Now 6 or so years later i have my first dream C5! Here the run down: its the Lemans 24hr Commemorative Edition. I found it at a Auto Broker. Here is what i know- the preavious owner was modding it to go faster. It is SUPER loupy, and was told it has a racing cam (unknown make) it also has a little rich fuel smell on start up, Racing headers, Vera-Ram, and straight pipes. I do not see a cat on the pipes, and ther is no muffler, so its a bit loud 😊.
I also suspect it has aftermarket/racing injectors. She will start up cold no issues. After driving, if shes still hot, then she will start then stall unless i giver gas till she catches and idles normal. I read on aftermarket part seller that improved injectors can do this, but i dont know?!?!?
I will leave it there, and please let me know what you may think about the injectors, or if i need to post some pics to help 🙃
Thank u
Last time i posted, i was looking at buying a Vette. Now 6 or so years later i have my first dream C5! Here the run down: its the Lemans 24hr Commemorative Edition. I found it at a Auto Broker. Here is what i know- the preavious owner was modding it to go faster. It is SUPER loupy, and was told it has a racing cam (unknown make) it also has a little rich fuel smell on start up, Racing headers, Vera-Ram, and straight pipes. I do not see a cat on the pipes, and ther is no muffler, so its a bit loud 😊.
I also suspect it has aftermarket/racing injectors. She will start up cold no issues. After driving, if shes still hot, then she will start then stall unless i giver gas till she catches and idles normal. I read on aftermarket part seller that improved injectors can do this, but i dont know?!?!?
I will leave it there, and please let me know what you may think about the injectors, or if i need to post some pics to help 🙃
Thank u
Advanced
Joined: Dec 2016
Posts: 64
Likes: 34
From: Ohio
First of all - Congrats and welcome to the madness! lol
Hard to say what the issue could be. If I were you, I would pull any/all codes from the DIC. Definitely read the sticky "Newbie's Must Read" thread - tons of helpful tips there.
I'm a newer owner as well and have much to learn. You've come to the right place - there are a lot of helpful peeps on this forum that can point you in the right direction.
Hard to say what the issue could be. If I were you, I would pull any/all codes from the DIC. Definitely read the sticky "Newbie's Must Read" thread - tons of helpful tips there.
I'm a newer owner as well and have much to learn. You've come to the right place - there are a lot of helpful peeps on this forum that can point you in the right direction.
Thread Starter
Cruising
Joined: Jun 2011
Posts: 10
Likes: 0
I think a tune would be my next big investment, but im toying with the idea of adding a turbo/blower kit, and dont know if i have to add other parts, like clutch, new rear end, etc. I was just curious if anyone has ever heard of the cold start/hot start issue before. She runs great agter i get to catch idle when hot, just a tic i want to address.
Also, does anyone really like the "bose" speakers in the car? My is so loud inside, after a certain point, they make a popping sound when my vol is up. Super annoying when im trying to jam!
Melting Slicks
Joined: Feb 2006
Posts: 3,191
Likes: 43
From: Scottsdale Az
The cold/hot issue is most likely in the tune. Check codes first but my guess is the tune was half done.
If you add FI to the car you'll have an issue because the cam may not work well with it. It may function but possibly not well and could yield poor numbers.
If you add FI to the car you'll have an issue because the cam may not work well with it. It may function but possibly not well and could yield poor numbers.
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Mike - I think your post and questions would be better suited in the C5 Tech section. I'm moving it over there for some responses.
Safety Car
Joined: Mar 2016
Posts: 3,534
Likes: 432
From: Atlantic Beach FL.
It may be that your cam is so radical that it doesn't want to stay running at idle. It sounds like it may need a tune.
You can replace the front 3.5 speakers and rear 6.5 speakers (5.25 for FRC or vert) with the speaker of your choice. I like the Polk Audio db series for the price. ~$50/pair.
Upgrading the stock speakers is a cheap way to to improve the audio.
You can replace the front 3.5 speakers and rear 6.5 speakers (5.25 for FRC or vert) with the speaker of your choice. I like the Polk Audio db series for the price. ~$50/pair.
Upgrading the stock speakers is a cheap way to to improve the audio.
Melting Slicks
Joined: Nov 2009
Posts: 2,922
Likes: 219
From: West Branch, MI
The rich fuel smell is from not having cats to burn up the excess fuel, thus the smell. No biggie but it bothers some people (not me). I wouldn't worry very much about the injectors at this point. As previously stated, it's probably an issue with the tuning that could be remedied by a competent Vette tuner. Get the tune fixed then worry about the injectors. A cam, headers and cold air don't require much larger injectors than the factory ones. When you start adding stuff like turbos, superchargers, heads, etc... then you need to worry more about fuel. Also finish your profile. If we knew where you were located, we might be able to suggest a good tuner!
Last edited by CactusCat; May 18, 2017 at 11:00 PM.
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