89oldscutlass Posted March 26, 2003 Report Share Posted March 26, 2003 I seen on here a few people talking about putting the Cady 4.9 in where there v6s are and how poor the performance are on the 4.9 and the cost. What i was wondering why nobody has suggested using the Olds Aurora V8 considering thats what Carol Shelby used in his new Shelby Series one and it seems to be a monster performance wise compared to the 4.9. All input is apreciated. Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted March 26, 2003 Report Share Posted March 26, 2003 Its mated to the 4T80E tranny if Im not mistaken and that tranny is too big to fit into our Gen I W-bodies. Gen II W-bodies can hold the 4T80E Robby Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted March 26, 2003 Report Share Posted March 26, 2003 Aurora 4.0L is a Northstar 4.6L with smaller bore, but other than that, they are identical. So given the 2 choices, Northstar is more desirable. The tranny won't come close to fitting. My understanding is that the Aurora/Northstar V8's are too wide (from head to head) to fit. Not enough clearance firewall side, and a very tight squeeze radiator side. The Aurora/Northstar engine is a MONSTER size-wise thanks to the heads. I believe they occupy more space than a 500cid (8.2L) Caddy big block V8. It should fit fine into a 97+ Grand Prix, 98+ Intrigue, etc. though, but with minimal room to spare. Quote Link to comment Share on other sites More sharing options...
NeverSayDie Posted March 27, 2003 Report Share Posted March 27, 2003 But when you think about it, if you are into a swap that intensive, making the nose and intern the engine bay a little longer wouldn't seem to be that big of a deal. You could re-build the entire front of the car using the Aurora parts, and then it would have a wider front wheelbase. You'd have to have some custom panels made to look like the original car. OK so the cost would be stupid expensive but it sounds like fun anyways Quote Link to comment Share on other sites More sharing options...
RedZMonte Posted March 27, 2003 Report Share Posted March 27, 2003 What i want to do is put a Northstar in a Aurora. TOG builds northstar headers. then run 2.5" catback and a 75shot of nos. 300hp Stock motor ~20hp TOG headers 75hp NOS ----------------------- 395hp at the crank +/-... not bad RedZ Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted March 27, 2003 Report Share Posted March 27, 2003 But when you think about it, if you are into a swap that intensive, making the nose and intern the engine bay a little longer wouldn't seem to be that big of a deal. You could re-build the entire front of the car using the Aurora parts, and then it would have a wider front wheelbase. You'd have to have some custom panels made to look like the original car. OK so the cost would be stupid expensive but it sounds like fun anyways It would be easier and cheaper to put a C5 Corvette drivetrain under the car and be LS1 (or LS6) RWD with a balanced 50/50 weight ratio. Also, extending the nose would require cutting up some unibody frame. I'd hate to see what the repercussions would be in event of an accident by messing with the unibody. I've seen race car dragster frames with W-body shells put on them, and they extended the nose about 6" or so. IMO, it looks goofy and unbalanced. Quote Link to comment Share on other sites More sharing options...
NeverSayDie Posted March 30, 2003 Report Share Posted March 30, 2003 I wasn't really thinking about a street car like that. It would have to be a drag car only. Quote Link to comment Share on other sites More sharing options...
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