Has any one heard of a 1990 rs that had a 350 put in at the dealership? I found some one that is selling one and I wanted to know if it would be any good.

 

Only if it was a B4C police package its in RS trim so it has the stock hood and no wing.

 

to check for the b4c, look under the center console pad for the RPO list... if u cant gain access to inside, the B4C has dual piston calipers in the front... thats what will be most distinguishable out of all the exterior accessories

 

i fouind out its a 350 tbi

 

nope it isnt factory. make sure its a 350 and not a 305. Ive seen ppl try to pawn that off too.

 

Someone told me the 305's had a castng on the driver's side that says "305" on it.

You cannot make a 350 out of a 305, so dont let him tell you that.

 

on the driver's side rear of the block just under the head it will say GM 5.0L or 5.7L. but i don't know of any "dealerships" taking the 305 out and putting 350 in their place.

 

Check the emssions sticker under the hood at the front. That should at least tell you what the car was supposed to have in it...I'm betting that the "dealer" doesn't know anything about the car except that he hopes you buy it

 

ok i looked on the emssions sticker and it does say 5.7L
i am going to post a pic in a few min

 

ok its to dark to get a good pic of it (live in maine). but i will do it tomorrow. but it does say 5.7.

 

then it should also be a TPI motor. a B4C option for police.

 

Too bad the B4C option didnt come till 91.. So that must be a really really really rare RS then huh?

Kat

 

its not the B4C only has a 110 speedometer. it is a tbi. i did buy buy it the person i got it from said they had only found 3 other ones like it on the net.

 

Well it wouldn't be a B4C anyway since it says in the original post that it was a dealership installed 350; not a factory installed 350. Dealerships used to do engine swaps all the time. It isn't common at all anymore though because of EPA and new emissions laws.

 

i put the image in "Reader's Rides"

 

It's not going to have a 5.7 hood sticker if it is a dealership installed engine. If it was a 5.0 replaced with a 5.7 by the dealer it would still say 5.0 under the hood.

 

 

Hmm. It's a TBI?

 

Very interesting...the sticker shows a base timing of 6*, which is a 350 TPI setting, not TBI. 305 TBI base timing is 0*, correct?

 

Ok I'll play.. Whats the VIN # of the car?

Kat

 

Yup.

 

so some idiot put a new sticker on the cowl. What's the 8th digit of the VIN?

Since you're probably not dealing with a stock motor, the only way to be sure is to pull a head, or get the casting number off the block.

 

Ok I called gm Customer Assistance Center I gave them the vin and they said it did come with a 305 from the factory. But she said that it did have a 350 put in at the dealership.

 

good deal then.

 

It's built for Canada too. They could probably get away with it.