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#1 Old 12-16-2011, 02:54 PM
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USA 1989 pickup v8 conversion

Hello,

I have a 1989 toyota pickup that I use a lot on the highway. It is a fuel injected 4 cylinder 5 speed and lacks power going up hills. I am thinking about doing a v8 conversion with a small block chevy engine. I do not want to blow my budget and am wondering if it is worth doing keeping the stock transmission and transfer case? Is this worth doing or should i just upgrade to a high performance 22re?


Thank you,
Thomas

Last edited by tomco1122; 12-16-2011 at 06:32 PM.
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#2 Old 12-16-2011, 06:40 PM
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You didn't say what your budget is.
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#3 Old 12-16-2011, 06:43 PM
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I do not have an exact budget laid out yet, I was hoping to figure out what is best so i can build one to meet what i need
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#4 Old 12-17-2011, 12:54 PM
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you'll never turn a 22re into a monster, it's a waste of time and money.. 22re's are reliable easy to work on engines that don't blow up easily - leave them in that light and you'll appreciate them more.

As for power, 3rz's make more power and aren't all that difficult to swap in with a few places making the conversion parts you need..

I would just regear if I was you ..

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#5 Old 12-17-2011, 07:24 PM
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On a 22 year old truck loosing power uphill could simply be due to a clogged cat conv.

SEARCH before asking
84 4Runner rockcrawler - ARBed 5.29's, 36" TSLs, dual t-cases w/ 4.7 crawler gear, Chevys, 30 spline Marlins
83 p/u trail rig - Buick 231 V6, Weiand intake, Holley 4 bbl, TH-350 auto w/700R4 low gearset, dual tanks ...
89 4Runner - stock
http://www.cardomain.com/id/fourwd1
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#6 Old 12-18-2011, 11:25 PM
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2wd or 4wd?

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#7 Old 12-19-2011, 05:12 AM
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He said transfer case. So probably 4x4

94 toyota camry xle v6 (sold)89 Toyota pickup 4wd 5spd v6 (sold)
92 4runner 4wd 5spd v6 (sold)
86 pickup 4wd 4cyl 5spd (project/dd) (sold)
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#8 Old 12-19-2011, 09:59 PM
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Right, missed that part.

So, providing everything is in good mechanical condition, no problems... Based on my experience, you will hate the V8 fuel economy, or lack thereof. If you're on a budget, regear as exist suggested, that will be your cheapest route. With stock tire sizes, find yourself a set of 4.56 or 4.88 diffs from another Toyota truck or 4Runner, both were offered from the factory.

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#9 Old 12-20-2011, 02:18 AM
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I did this swap and I can tell you I would never go back, in fact I am in the middle of building another one to replace my rusty 89. I used a 1990 blazer doner truck and swapped the entire drive train. The single most expensive thing was the 4" suspension lift kit to clear the oil pan.
New truck in works is a 93, I am swapping in an LS1/ 4L60e this time.
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#10 Old 12-20-2011, 10:53 AM
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I know SBCs are dime-a-dozen, but I'm wondering how a 1UZ-FE would be on both swap cost and fuel economy. It's pretty small for a V8 at just 4.0L and really light since it's all-aluminum. I've been throwing around the idea of putting one in a 2WD.
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#11 Old 12-20-2011, 02:12 PM
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If i do the swap is it worth keeping the stock 5 speed? I have read mixed reviews about it and what would the fuel economy be about if I use a chevy 350?
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#12 Old 12-20-2011, 06:16 PM
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Quote:
Originally Posted by tomco1122 View Post
If i do the swap is it worth keeping the stock 5 speed? I have read mixed reviews about it and what would the fuel economy be about if I use a chevy 350?
The stock 5 spd wouldn't last too long. A TH350 or even better, a 700R4.
As for fuel economy, going from a 4 cyl to an 8 cyl, how can you expect anything good?

SEARCH before asking
84 4Runner rockcrawler - ARBed 5.29's, 36" TSLs, dual t-cases w/ 4.7 crawler gear, Chevys, 30 spline Marlins
83 p/u trail rig - Buick 231 V6, Weiand intake, Holley 4 bbl, TH-350 auto w/700R4 low gearset, dual tanks ...
89 4Runner - stock
http://www.cardomain.com/id/fourwd1
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#13 Old 12-20-2011, 06:19 PM
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That, and an automatic would just make economy that much worse.
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#14 Old 12-21-2011, 07:24 PM
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Quote:
Originally Posted by fourwd1 View Post
The stock 5 spd wouldn't last too long. A TH350 or even better, a 700R4.
As for fuel economy, going from a 4 cyl to an 8 cyl, how can you expect anything good?

Simple, If I wish my truck never has to go above 3000 RPMS I have more power there than any 4 or 6 cylinder. I cruise down the highway with 33" tires at 2000 RPMS with the 700R4 taking it easy with a SBC 400 with a cam I can get 18 MPG. Honestly I never take it easy and I still never go under 15 MPG, that is with 7" or lift. BTW I have a friend with an 86 Vette, highway I can keep with him, try that with a 22RE.
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