# 4.3l 1991 k1500 power hopes **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** chevrolet, 1500\ **Created:** [November 2, 2009, 4:01am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934 "2009-11-02T04:01:11Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![wyodude17](https://avatars.discourse-cdn.com/v4/letter/w/82dd89/32.png) [@wyodude17](https://community.cartalk.com/u/wyodude17)\ **Post date:** [November 2, 2009, 4:01am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/1 "2009-11-02T04:01:11Z")
any hope of getting more power from this old truck? reg drive 65mph at 8-10,000 ft elevation. ---
**Author:** ![kmccune](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/kmccune/32/1237_2.png) [@kmccune](https://community.cartalk.com/u/kmccune)\ **Post date:** [November 2, 2009, 10:57am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/2 "2009-11-02T10:57:36Z")
Drop in a small block V-8 or install a turbocharger-Kevin ---
**Author:** ![wyodude17](https://avatars.discourse-cdn.com/v4/letter/w/82dd89/32.png) [@wyodude17](https://community.cartalk.com/u/wyodude17)\ **Post date:** [November 3, 2009, 3:45am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/3 "2009-11-03T03:45:13Z")
How about something less expensive, throttle body spacer? ---
**Author:** ![mcparadise](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mcparadise/32/32_2.png) [@mcparadise](https://community.cartalk.com/u/mcparadise)\ **Post date:** [November 3, 2009, 4:14am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/4 "2009-11-03T04:14:03Z")
You want more power? Trade this truck for one with a bigger engine. Otherwise you’re wasting your money. ---
**Author:** ![kmccune](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/kmccune/32/1237_2.png) [@kmccune](https://community.cartalk.com/u/kmccune)\ **Post date:** [November 3, 2009, 10:09am UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/5 "2009-11-03T10:09:57Z")
Well you can throw all the excess weight out of the back,switch everything to synthetic oil(maybe even use oils with lower viscosity)drop a tire size,clean air filter,low restiction muffler,install an electric fan,new spark plugs and on the tires make sure the tread isnt too agressive.All of this will help and maybe the gas mileage a bit also,but the question is-Will it get you to the level you are happy with?-Kevin ---
**Author:** ![MikeInNH](https://avatars.discourse-cdn.com/v4/letter/m/a587f6/32.png) [@MikeInNH](https://community.cartalk.com/u/MikeInNH)\ **Post date:** [November 3, 2009, 1:09pm UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/6 "2009-11-03T13:09:00Z")
I know several people who’ve done that on different vehicles. You MIGHT see a 10hp increase…AND MAYBE a .5mpg increase. ---
**Author:** ![FoDaddy](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/fodaddy/32/717_2.png) [@FoDaddy](https://community.cartalk.com/u/FoDaddy)\ **Post date:** [November 3, 2009, 4:36pm UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/7 "2009-11-03T16:36:44Z")
The quick and dirty way would be to go a junkyard, find a 350 (an LT1 perferably) and drop it in. The 350 was a factory option for 1991 so it’ll drop right in. ---
**Author:** ![Caddyman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/caddyman/32/23_2.png) [@Caddyman](https://community.cartalk.com/u/Caddyman)\ **Post date:** [November 3, 2009, 4:45pm UTC](https://community.cartalk.com/t/4-3l-1991-k1500-power-hopes/38934/8 "2009-11-03T16:45:47Z")
Your 4.3 is just a 350 with 2 cylinders whacked off…You want power? step up to 5.7 liters by replacing the missing cylinders…