RX7Club.com - Mazda RX7 Forum

RX7Club.com - Mazda RX7 Forum (https://www.rx7club.com/)
-   V-8 Powered RX-7's (https://www.rx7club.com/v-8-powered-rx-7s-299/)
-   -   LT1 or LS1 (https://www.rx7club.com/v-8-powered-rx-7s-299/lt1-ls1-422231/)

8Into7 05-03-05 01:24 PM

LT1 or LS1
 
Now that I'm on the topic, which engine should I get. The LT1 or LS1? What are the pros/cons? And yes you can bash me for being a newbie, I have searched and figured out some stuff I just want to get a concensus on what you guys who have the experience think is best. Thanks in advance :p:

GDJ 05-03-05 06:07 PM

LS1 is smaller and lighter. LS1 has aluminum block while LT1 does not. However, both engines have huge mod potential, and the LT1 is probably your best bet if you're looking for HP in the 4-digit range. For a fun daily driver/track car, either engine will work fine. The LT1 is significantly cheaper than the LS1 right now, as far as I know.

dregg100 05-03-05 07:38 PM

depends on how much money you got.

turbogarrett 05-03-05 08:16 PM

:werd:

Go with the ls1 if you can afford it.

GsrSol 05-03-05 08:23 PM


Originally Posted by dregg100
depends on how much money you got.

Exactly

powrdby13B 05-03-05 08:37 PM

20b

GDJ 05-03-05 10:34 PM

LS1 is lighter than the 20B slug.

digitalsolo 05-03-05 11:10 PM

LS1 can be found cheap if you look hard enough. I got my setup for much less then most pay, by watching around for a while (think 1.5 years) for the right deal. The best buys are wrecked cars. Also helps to have friends in the business. :bigthumb:

8Into7 05-04-05 08:09 AM

Thanks everyone. I'll be sticking with my original LS1(6) idea. This is a two year project anyway, so I'll take digitalsolo's advice and wait for a good deal. The more money saved, the more money for mods :bigthumb:

digitalsolo 05-05-05 12:02 AM

Another point of reference about your LS1(6) comment.

LS6 accessories don't fit very well in the FC engine bay, and the oilpan doesn't fit at all. That and the LS6 typically costs more then the LS1. Best bet is to get an LS1 in the years that came with the LS6 intake, put in a bigger cam then the LS6 had, and port (or buy ported) heads. MUCH more power then the stock LS6, accessories that fit, and not much cost difference. :)

8Into7 05-05-05 12:10 PM


Originally Posted by digitalsolo
Another point of reference about your LS1(6) comment.

LS6 accessories don't fit very well in the FC engine bay, and the oilpan doesn't fit at all. That and the LS6 typically costs more then the LS1. Best bet is to get an LS1 in the years that came with the LS6 intake, put in a bigger cam then the LS6 had, and port (or buy ported) heads. MUCH more power then the stock LS6, accessories that fit, and not much cost difference. :)

Awesome, thanks for advice, LS1 it is. What years do you recommend for the LS1? Are there any years to avoid?

GsrSol 05-05-05 12:47 PM

Digitalsolo is right about the LS6, which is also true about any Vette motor. The best motor is an 01-02 LS1 from a fbody cause some stuff is updated and they have the LS6 intake manifold and no egr. 99-00 is fine but I'd stay away from the 98s.

8Into7 05-05-05 01:16 PM


Originally Posted by GsrSol
Digitalsolo is right about the LS6, which is also true about any Vette motor. The best motor is an 01-02 LS1 from a fbody cause some stuff is updated and they have the LS6 intake manifold and no egr. 99-00 is fine but I'd stay away from the 98s.

Now I'm glad I didn't buy that 98 ls1 I found last night. It is kind of good to have a year to plan everything, although I can't wait to get this thing on the road. Thanks again guys. :D

8Into7 05-05-05 02:04 PM

Is there a good place to find detailed instructions on doing the LS1 swap? I know grannies has one, but is there any more? When I search all I find are people pointing you to torquecentral or this forum, but no one points to actual detailed instructions. Is it really that easy to do the swap? By reading through grannies instructions it seems pretty simple.

JOSH FRANCO 05-05-05 05:55 PM

I decided to go with the LS1 (01-02). Have you try Hinsonsupercars.com?

8Into7 05-05-05 08:03 PM

I'm definitely going with Hinson for my subframe and a couple other things. I've also thought about sending them my car when the time came (although that definitely seem as fun). I've heard way too many bad things about granny's. But still there isn't any detailed instructions on the swap there. I mean I'm sure I could figure out what I needed to do with the instructions from granny's and pulling bits here and there. I was just seeing if anybody else knew where some other complete instructions were.

GsrSol 05-05-05 11:22 PM

Everyone points you to TC cause you can find everything you need there.

A member over there created this page which should get you started.

http://payne.stanford.edu/LS1-FD-links.htm

8Into7 05-06-05 07:11 AM


Originally Posted by GsrSol
Everyone points you to TC cause you can find everything you need there.

A member over there created this page which should get you started.

http://payne.stanford.edu/LS1-FD-links.htm

Oh sweet, well now I feel dumb for never seeing that before. Thanks dude!

xthephilx 05-08-05 02:27 AM

What bad things have you heard about the granny's LS1 mount kit? I haven't heard anything bad about theirs.

wingsfan 05-08-05 11:42 AM


Originally Posted by xthephilx
What bad things have you heard about the granny's LS1 mount kit? I haven't heard anything bad about theirs.

Then you need to look a little harder. The words Granny's and LS1 shouldn't be mentioned in the same sentence. :p:

8Into7 05-08-05 12:17 PM


Originally Posted by xthephilx
What bad things have you heard about the granny's LS1 mount kit? I haven't heard anything bad about theirs.

https://www.rx7club.com/v-8-powered-rx-7s-299/anyone-considering-v8-conversion-kit-grannys-140838/

xthephilx 05-08-05 05:32 PM

Okay...f that then. Is the hinsonsupercars.com one good?

And how bad is the bump steer correction? Is it as bad as grannys makes it seem?

And what exactly does it (bump steer) entail?

mark57 05-08-05 05:57 PM

In the case of Hinson Supercars' minor steering rack relocation on the subframe, the tie rod ball joint is lengthened and lowered on the spindle to maintain it in the same plane on the spindle with the upper and lower A-arm pick-ups. Factory wheels barely clear it. Check FSM Section N-16 for diagram.

xthephilx 05-08-05 11:04 PM

I don't have a copy of the FD FSM. Is there a site where I could get a copy?

mark57 05-09-05 01:39 PM

http://www.iluvmyrx7.com/


All times are GMT -5. The time now is 02:14 AM.


© 2024 MH Sub I, LLC dba Internet Brands