LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Tune ups/future plans.

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Old 06-21-2009, 12:24 AM
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Default Tune ups/future plans.

Hey guys, looking for a little direction here.

Newly bought 95 Z28, its got about 56k miles and it seems to run great.

However, before I start modding I want to make sure it still has all, if not most, of its original power so I was looking into getting a shop to get it tuned up while I was spending time with my dad this week.

Shop said a tune up was plugs/wires and checking for timing and knocks?
Is that really all I need, cause I could just do that myself and save the cash.

Once I'm satisfied with the stock set up I was going to look into an LS1 conversion intake, LT's (no clue on who's) with just a Y-pipe set up to a TSP Rumbler catback, I liked the sound from what I've heard and its relatively cheap, but I'm still open to suggestions.

I LOVE GMMG's catback, do they offer just the chambered muffler?

It's an M6, I'm good on tires/rims and from the other thread we thought it might already have 3.73's...oh and it definitely has posi

Just looking for a nice DD with some bolt on powuh.
Old 06-21-2009, 05:09 PM
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pics dude, lets see the car!

um...plugs, wires...what else is there in a tune up? lol...cant think...check radiator hoses...crap like that...air filter....
Old 06-21-2009, 05:33 PM
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cold air intake, headers (longtubes), catback exhaust, electric water pump, under-drive pullies, dyno tune. Just a few things that'll wake her up without getting too involved.
Old 06-21-2009, 05:52 PM
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Has coolant ever been changed? Fuel filter? If it is running decent I don't think I would let some shop change plug wires! Hold off on that until you do your LT. Have fun!
Old 06-21-2009, 06:08 PM
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Apparently no one has seen my introduction post lol.



here's the link;

https://ls1tech.com/forums/introduct...w-ls1tech.html

Its got a K&N CAI on it already, but I like the lid more.

Are Pacesetter's LTs a good product?
Anyone have any info on that TSP Rumbler?

I was also thinking about doing TD's with an x-pipe, catted, to Dynomax's Bullet Mufflers, but my exhaust shop didn't like that.
Old 06-21-2009, 07:50 PM
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gmmg doesn't sell mufflers but stainless works make a chambered muffler and theres powersticks too. but if TD's is what you want then find a different shop. get an OTVC(over the valve cover) kit for the wires and don't forget about a PCV valve on the tune up. I wouldn't bother with a dyno tune yet, mail order should be more than sufficient.
Old 06-21-2009, 08:31 PM
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nice ride....the paint looks pretty prestine from those pics.

well, most exhuast shops will kinda tell you ur crazy....u just gotta know what you're talking about and tell them to shut up and do it. im going for the same TD setup and its more than possible. check this out:

http://www.lt1engine.com/tech/how-to...duals-exhaust/

just change those mufflers in the link to dynomax bullets and ur good.

print that out and show them that. if they still say no cuz of the cats, u'll have to keep looking for a new shop.
Old 06-21-2009, 11:38 PM
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Originally Posted by Z28_LT1
nice ride....the paint looks pretty prestine from those pics.

well, most exhuast shops will kinda tell you ur crazy....u just gotta know what you're talking about and tell them to shut up and do it. im going for the same TD setup and its more than possible. check this out:

http://www.lt1engine.com/tech/how-to...duals-exhaust/

just change those mufflers in the link to dynomax bullets and ur good.

print that out and show them that. if they still say no cuz of the cats, u'll have to keep looking for a new shop.
Thanks for that awesome link!

I was just about to ask for pictures to show, but this is much better!

I will be running cats since this is a DD car and I don't want to have any problems with emissions, where would you put the cats in a set up like that?

One on each pipe after or before the crossover?



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