502 Crate Motor

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Dec 11, 2013 | 02:05 PM

#21

robert miller

Team Owner

Joined: Jan 2007

Posts: 29,063

Likes: 1,839

From: cookeville tennessee

Quote:

Originally Posted by hammer120

How difficult,feasible would it be to install a crate 502 into my 1999?

All opinions are appreciated.
Price,workmanship,transmission,etc. My 99 only has 33k on it and runs great.Just looking for more horsepower.
I would not be doing the labor.

thank you!

If you want a big block in you car I will sell you a 540 ci DART BB with dart 340 heads on it. Less than 200 miles on it never been on a track,This is in my 57 chev Belair 2dr hardtop. It made 687 hp on a motor dyno but I had to jet it down to run on the street. I build this car as a show car only just wanted a BB in it. Now would like to put a LS motor in it and just be able to drive it a lot more in good weather...Robert

Last edited by robert miller; Dec 11, 2013 at 02:09 PM.

Dec 11, 2013 | 04:34 PM

#22

zeevette

Race Director

Joined: Sep 2005

Posts: 11,060

Likes: 291

From: Pasco WA

Quote:

Originally Posted by hammer120

Guys,
I really appreciate all the advice.
To be a little more specific what i am looking for is about 50+ horsepower the most simple way,money is not a huge issue.Keeping the car close to stock is more important.
Sorry i did not explain this earlier.

Thank you everyone for all your expertise.

That power increase is kind of a crossroads. (50) To keep from opening the motor, you first need LT headers. A good CAI, like Vararam, or the Honker is a must-have. At this level, it's worthwhile to get a dyno tune. For these mods, there won't be any affect on the driving characteristics to your stock car. The power increase will range from 15-35 RWHP, depending on several factors. To add small non-invasive mods will only net maybe 10 more HP.(UD pulley, EWP) Porting of the stock TB, wires, etc. is just snake oil. If you're serious about power, you need to replace the cam/springs. Another re-tune, if you've already done the first set of mods. This, in conjunction with the basic mods, should net you about 55-80 HP. From there, it's aftermarket, or 243/LS3 heads that're CNC'd, and an intake depending on which heads you're getting. About another 50 HP, and of course, another tune. If you haven't come to your senses yet, there's always FI.

Last edited by zeevette; Dec 11, 2013 at 04:36 PM.

Dec 11, 2013 | 04:38 PM

#23

Tech

Safety Car

Joined: Jun 2005

Posts: 4,977

Likes: 256

From: St. Louis Missouri

An LS3 is more than 50 HP, comes with a warranty, and can be plug and play (with additional electronics).

Dec 11, 2013 | 04:53 PM

#24

tbrent

Melting Slicks

Joined: Mar 2007

Posts: 3,432

Likes: 74

From: KcMo.

2018 C5 of Year Winner

Quote:

Originally Posted by Tech

An LS3 is more than 50 HP, comes with a warranty, and can be plug and play (with additional electronics).

Seems he's talking about just heads.

Dec 11, 2013 | 05:27 PM

#25

Camjamsdad

Melting Slicks

Joined: Oct 2007

Posts: 2,798

Likes: 8

From: It's true money can't buy happiness, but it is more comfortable crying in a Corvette than on a bicyc

St. Jude Donor '13

I'd slap a zex ls series nitrous set up on it.

Dec 11, 2013 | 06:01 PM

#26

sfc rick

Le Mans Master

Joined: Nov 2009

Posts: 6,119

Likes: 156

From: Huntington tx

Blown is the way to go. Its just so much easier to supercharge it and be done with it. And if you are looking to be around 550-600 rwhp its not that difficult or crazy money spent.

Dec 11, 2013 | 06:17 PM

#27

madmatt9471

Team Owner

Joined: May 2006

Posts: 21,473

Likes: 356

From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----

Quote:

Originally Posted by hammer120

Then I would go with the Supercharger from A&A Superchargers!

It is a true Bolt on and will give you above and beyond the desired HP you look for!

Dollar for Dollar it is the best money spent - you can leave you stock exhaust manifolds, cats and H-Pipe in place - I do recommend at minimum a set of C5 Z06 Titanium mufflers (inexpensive and flow extremely well, for the longest time I ran them at 700+ RWHP) -

And you will have 525+ RWHP from a bolt on!

And like any other major mod it will need to be dyno tuned at a reputable shop!

Thanks,Matt

Dec 11, 2013 | 07:09 PM

#28

PRE-Z06

Race Director

Joined: Dec 2006

Posts: 12,389

Likes: 2,910

From: Fort Worth, Texas

50hp would be least intrusive with a set of long tubes, CAI, 1.85 rockers/ls6 springs and a tune.

Would have thought you were looking for more when you mentioned wanting a 502ci BB though.

The best replacement for displacement is boost! Though you can build a stout large cube "small block" LS that could come close to competing with the big block for comparable money and it'd be lighter.

Last edited by PRE-Z06; Dec 11, 2013 at 07:11 PM.

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Dec 11, 2013 | 08:23 PM

#29

oldschoolvette

Le Mans Master

Joined: Nov 2006

Posts: 7,215

Likes: 1

From: Orlando FL

Quote:

Originally Posted by sfc rick

Blown is the way to go. Its just so much easier to supercharge it and be done with it. And if you are looking to be around 550-600 rwhp its not that difficult or crazy money spent.

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