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Newbie with a dumb question  :)

ESPZ71

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ESPZ71 Enthusiast

ESPZ71

Posted
Posted
Sorry everyone, I didn't find the answer to my quick and easy question searching, so here I am making a fool of myself.  :cheers:  My '95 has a 350, is it a small block or big?  Needless to say, I'm not that familiar with my engine yet.
beebow Enthusiast

beebow

Posted
Posted

Ok guys, here is a question about the 95' 350.....uh.....block. Just kidding. I have a 95' GMC Z71 extended cab 4x4 with the stock motor. My wife has driven it since we bought it new, and we have used it as our family vehicle until last month. She got the new van, I inherited the truck; which I have wanted as mine for quite a while. Here's where I am leading.....this truck has never had the power to get out of it's own way; throttle body, not the vortec. I think the stock hp is around 200. I put a dynomax exhaust and k&n filter on it with very minimal results; but it sounds great. Can one of you point me in the right direction to find hp mods for this motor?

I have built many motors, and I like to rely on info from the people who have the most experience with a set-up. Are there any simple tricks for this motor?

Thanks  :)

SnakeEyeSS Senior Enthusiast

SnakeEyeSS

Posted
Posted
TBI spacer from powerade and Hypertech Thermosmaster/160 thermostat combined did a LOT for me. try an open element filter assembly, MSD 8.5 wires and Bosch Platinum's too, they are supposed to help too.(I don't have MSD wires yet, but the plugs do alright)
beebow Enthusiast

beebow

Posted
Posted
My opinion only; the bosch platinums are not worth the cost. I put a set of them in my truck and within 25,000 miles they were toast. My dyno guy said that thats pretty common for these plugs. He told me to run the stock plugg because he hasn't seen any problem with them, and no difference in power. Blue streak cap, rotor, and and a good set of fitted wires are a better investment. These changes made a big improvement in my truck. Thanks for the info on the other items. I'm going to put together a goody list and then make it happen.
SnakeEyeSS Senior Enthusiast

SnakeEyeSS

Posted
Posted
I haven't noticed a diff in my truck, but they really helped my moms car. they are only about 25-50 cents more a plug, it dosen't bother me a lot to test them out, every vehicle is different.
beebow Enthusiast

beebow

Posted
Posted
Sorry if my post sounded like you were wrong silverado. You are absolutely right on each vehicle being different. Just wanted to let everyone know about my experience using them in my truck. The stock plugs looked clean after 52,000 miles. I changed to the Bosch thinking they would be an even better plug. For the past few months I was having a lot of trouble with rough running and when I changed the plugs back to stock it solved the problem. Hope you have better luck with them.

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