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Topic Review (Newest First)
11-15-2012 08:43 PM
topmeat69
caprice engine swat

Quote:
Originally Posted by AlastorVice View Post
I got a project I am going to start working on, I am new to a lot of this but I figure no time like the present. Basically I have a 93 caprice classic V8 5.0L and she needs some work want to swap out the current engine and boost my horse power. Is there a better engine I could be using than the stock one? I have about a 5k budget for now and was hoping to also do intake and exhaust work as well. Any advise, tips or sugestions are more than welcome.
Ive owned 5 caprices, 4 with 305 one with the LT1 350. The LT1 started in 94 in caprice ,roadmaster and fleetwood, the item is REVERSE FLOW COOLING read about it, it allows higher compression with regular gas,its not a common feature,started with corvette.the LT pulls hard to 6000 rpm,the salvage yard have them cheap. be safe
07-30-2011 07:01 PM
327NUT The big Cad will be a lot of work adapting it to your Caprice, can be done ....but still a lot of work. To ease your budget just stick with a 383 or 406, you'll be surprised just how fast you can go through 5k on a simple engine build and swap.
07-30-2011 06:49 PM
blyndgesser The 500 engine was last offered in 1976, the year before the B-bodies were downsized. So it might very well not fit in the later cars.
07-30-2011 06:12 PM
RippinRon
Quote:
Originally Posted by Hippie
I'm reading that as a "maybe". It's definitely worth following those leads though.
A b-body is a b-body, I googled it and that's what came up first. If the OP wants to look into it more they can. I'm not doing other peoples homework.
07-30-2011 05:59 PM
tuckpoint
caddy 500/472

hit 500cid or maximum torque , They love caddy's
07-30-2011 03:39 PM
Hippie
Quote:
Originally Posted by RippinRon
According to this yes!

I'm reading that as a "maybe". It's definitely worth following those leads though.
07-30-2011 09:43 AM
RippinRon
Quote:
Originally Posted by AlastorVice
would that be an easy install with stock pieces got a strict budget of 5k (thxs to the wife) so im tryin not to go to over the top but the specs on a 500ci did make my eyes widen a lil im assuming it should be easy since its chevy to chevy but you knever know
According to this yes!
07-29-2011 06:42 PM
lt1silverhawk LT1's were available in the B Bodies (Caprice, Impala, Roadmaster, Cadillac Fleetwood, Olds Custom Cruiser) from 1994 to 1996. Some cars got the 5.7 LT1, while the rest received the smaller 4.3 L99 "baby" LT1, both with iron heads.


What you have is the L03 305 V8, which uses throttle-body injection, while an LT1 is fuel injected (MPFI). An LT1 swap can be done but, from what I have read on the Impala SS forum, it is cheaper to just buy an LT1-powered Caprice.


You do have an interesting project on your hands and I am wondering if the other members could give some input on the tuning of TBI systems.
07-29-2011 05:25 PM
Hippie
Quote:
Originally Posted by AlastorVice
would that be an easy install with stock pieces got a strict budget of 5k (thxs to the wife) so im tryin not to go to over the top but the specs on a 500ci did make my eyes widen a lil im assuming it should be easy since its chevy to chevy but you knever know
It's not Chevy to Chevy, the Cad 500 is a whole different critter. From a hardware standpoint it wouldn't be that hard for an "experienced" swapper but to be a bolt in you'd have to do a LOT of research as to what fit what years and models because that design Cad engine was never available in that chassis platform and there won't be any straight across swap info. You'd also have to dump most of your computer controls or find a way to adapt the Cad to EFI.

To me the LT-1 is a MUCH better swap in every respect. Do some searches for '94-'96 Impala SS info. Those cars were basically a dressed up 5.7 Caprice with performance oriented gearing and they are capable of excellent gas mileage and performance. I see claims of MPG's in the very high 20's and on the end of the scale they can turn 13's in street trim with some work. Another "pro" is that it would basically be a factory setup so no hassles with the smog police or getting parts. Get a '95 or '96 LT-1 if possible though, they have several improvements over the earlier ones. try to get the engine, trans, harness and ECM all together if possible. Low mile F-body LT's have been showing up around here as guys are swapping them out of their F-bodies for LS series engines.
07-29-2011 04:27 PM
327NUT I fondly remember 1996 when we got our first LT1 Caprice police units....220 hp for '95 and the '96 was 260 and a lot more torque. Made patrol work so much more fun.
07-29-2011 04:14 PM
AlastorVice
Quote:
Originally Posted by rwa1015
You're right just thought about a friend who has a mid 90's caprice wagon that gets unreal mileage for a tank (he claims around 25mpg trip) and good power too. Would be a real screamer in something lighter!
25 mpg now thats very appealing cause my current mpg sucks part of why im doing all these upgrades
07-29-2011 04:12 PM
AlastorVice
Quote:
Originally Posted by RippinRon
500ci caddy engine would get that boat sailing.
would that be an easy install with stock pieces got a strict budget of 5k (thxs to the wife) so im tryin not to go to over the top but the specs on a 500ci did make my eyes widen a lil im assuming it should be easy since its chevy to chevy but you knever know
07-29-2011 04:06 PM
rwa1015
Quote:
Originally Posted by Hippie
'94? Not just police cars got the LT-1, any Caprice or Buick Roadmaster with a 5.7 was an LT-1. The aluminum head Vette or F-Body LT-1 would be a good and easy bolt-in using factory parts. Lots of aftermarket goodies specific to those cars as well thanks to the Impala SS of the same vintage.
You're right just thought about a friend who has a mid 90's caprice wagon that gets unreal mileage for a tank (he claims around 25mpg trip) and good power too. Would be a real screamer in something lighter!
07-29-2011 03:59 PM
RippinRon 500ci caddy engine would get that boat sailing.
07-29-2011 03:36 PM
Hippie
Quote:
Originally Posted by rwa1015
Am I wrong or was this about the time they started putting the LT1 in these cars? Really don't remember the exact year, could be off a few years though. The police cars with the LT1's were pretty fast and fair gas mileage if you could keep your foot out of it. Seems like a good fit to me, but a stroker is nice too.
'94? Not just police cars got the LT-1, any Caprice or Buick Roadmaster with a 5.7 was an LT-1. The aluminum head Vette or F-Body LT-1 would be a good and easy bolt-in using factory parts. Lots of aftermarket goodies specific to those cars as well thanks to the Impala SS of the same vintage.
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