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Old December 29th 07, 10:32 AM posted to alt.autos.corvette
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Default '84 crossfire to carburator conversion

On Dec 17, 10:53 am, "Art" > wrote:
> Hello All Again,
>
> After doing tremendous research I think the conversion is not very difficult
> as long as certain things are compromised. Please allow me to run these
> things by everyone for comment.
>
> 1. Emissions - 1984 was a very early stage of emission control and the
> components can be easily bypassed or disconnected completely and be similiar
> to the '79 'vette, as strictly a toy car for me I feel the emmissions issue
> is non existant as I dirve the car less than 5000/yrs tops and there are no
> emision controls where I live and if I must bypass those laws it can be done
> by either reregistering th ecar as a street rod or an antique.
>
> 2. Intake and Carb - Edelbrock has a combination that will fit under the
> hood and not force outside body alterations,so on the street it is
> invisible.
>
> 3.Valuation - the value of an '84 C4 with 128,000 miles is very limited as
> it now stands probably the maximum value is less than $5,000 a very
> inexpensive toy for a play car. With the conversion I know I could sell it
> for around $3500.00 a $1,500 loss but much less than a new toy.
>
> 4. Distributor - this is kinda up in the air some say it has to be replaced
> with a vac advance distributaor and some say t does not, i will have to try
> the original first and if it don't work then replace it.
>
> 5. The biggest issue is the transmission with the kickdown, most
> information is split 50/50 but it appears the the computer does not control
> the transmission and is controlled by a cable that may have to custom made
> but certainly doable I think.
>
> 6. Digital dash - the digital (as another very attempt) will still be
> controlled by the ECM.
>
> The total expenditures from Jegs (with the exception of the distributator
> and transmission) is less that $500.00
>
> Please give me any comments or knowledge from your experiences.
>
> Thanks in advance.
>
> Art
> '84 red/red
> soon to be carburated


Hi Art,
Hey, I wouldn't listen to the Corvette Nazi's too much. I have done
exactly what you want to do (an 84 as well) and I love it. I don't
know about emisions (exempt where I am) or resale value (don't care
either) but I can tell it is very easy and relatively inexpensive too.

I have a performer rpm intake and speed demon carb and it all fits
under the stock hood perfectly. I even fabed an air box that connects
to the old hood ducts.

Any old HEI dizzy will work fine. I use a crank trigger set up though.

Yes, lots of brackets are available to adapt the existing TV cable
("kick down") and adjusting it perfectly is not an issue at all. To
have torque converter lock-up and overdrive in 4'th gear (all thats
needed) you just jumper 2 pins on the 700r4 connector.

My digital dash works just fine without the computer.

I had to change engines anyway so maybe not a "good idea" for you. Who
is to say . . ? I'm extremely happy with mine anyway. It's 406ci with
GMPP fast burn heads and their "hot" roller cam and the acceleration
is just brutal now in comparison.

Ray
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