Chevy High Performance 350- Fit or no fit?
Hi guys, I'd like you to check out the link I have posted below. I probably never will purchase another motor for my old 1975 C20, but I would certainly love to. One of the best replacements I've come across so far is straight from Chevy, and for a good price.
It's a 350 with 290 HP. All the Dyno specs are listed, and it seems to be a really good motor. My question, is will it fit our trucks without any major modifications? Specifically a 1975 C20 with a stock 350? You can view the motor at THIS LINK--> http://www.chevrolet.com/performance...-hp.html#parts |
Re: Chevy High Performance 350- Fit or no fit?
http://www.chevrolet.com/content/dam...h-1280x551.jpg
Quite an attractive motor if you ask me... :chevy: |
Re: Chevy High Performance 350- Fit or no fit?
Yea it is. So much better than ls motors imo...
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Re: Chevy High Performance 350- Fit or no fit?
We have put several in pre 86 pickups...drops right in.
It is the same motor as the base 260hp goodwrench/targetmaster but with the L82 cam and valve springs Works well and sounds nice with duals And is GM warranteed! |
Re: Chevy High Performance 350- Fit or no fit?
hmmmmm, "forget the rebuild". you could build a more powerful 350 for less that half cost. and not have 8:1 CR
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Re: Chevy High Performance 350- Fit or no fit?
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Re: Chevy High Performance 350- Fit or no fit?
If you are going to buy an engine then I would check out Summitracing.com. Not sure what the price is that you were quoted from Chevy but if it is what is listed on your link then Summit can beat that price.
Save $400 http://www.summitracing.com/parts/na...make/chevrolet |
Re: Chevy High Performance 350- Fit or no fit?
I didn't look at the price before. 3k and you could build it yourself and get more power. Just wouldn't have a warranty.
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Re: Chevy High Performance 350- Fit or no fit?
In a street truck with todays fuel the 8:1 compression makes for a reliable engine;We have used both the 290hp and 260hp versions;for the price difference I prefer the 290hp...especially in a short box sport truck.And it sounds better.Hard to beat the 2 year GM backed warrantee and ALL brand new parts.
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Re: Chevy High Performance 350- Fit or no fit?
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I don't know what GMPP was thinking, unless they wanted a lopey idle (misfires) and didn't care about loss of torque. At least they could have selected a cam with a tighter LSA, or cylinder heads with smaller combustion chambers. I think CompCam's #12-306-4 at 206/212 on a 108 LSA would work much better than the larger GM cam. You can also get it on a 110 LSA as #12-308-4. On another note, I have had a couple 9.0:1 to 9.3:1 engines with iron heads, Neither one needed premium gas except on very hot days with coolant temp at 200-210. Of course, quench height on both was in the .040"-.045" range. On the GM crate engines it's .060"-.070", which is more prone to detonation. |
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