will a 454 fit and buckle up to a transmission in place of a 350

Asked by walldogg2005 May 30, 2012 at 11:05 PM about the 1989 Chevrolet C/K 1500

Question type: Maintenance & Repair

39 Answers

2,005

You will probably need to change the frame motor mounts as they are usually taller & further forward on a big block to allow clearances from the firewall & cross member. Other than that, it should go right in.

55 people found this helpful.
22,825

you will also need to add heavier front end parts (springs, etc.) to hold up to the extra weight or your wheels will end up bowing out to the sides.

37 people found this helpful.
1,475

if it is a 6lug wheel NO if it is an 8 lug Yes if its a 700R4 trans, maybe Yes I know they made a 1500SS with a 454 It is heavily modified to take the extra power and weight from a standard 1500

23 people found this helpful.
61,205

No, Big block chevy's and small block chevy's transmissions have different bolt patterns for the bell housing.

50 people found this helpful.
5,315

all chevy V8 s have same bell housing bolt pattern

188 people found this helpful.
61,205

Thats for pointimg that out. After i posted that it didnt feel right. There was a problem tho. Something with the flywheel size cause it was balanced with it. But this was an older motor so it may be different with a newer one.

25 people found this helpful.
430

mt monarch has it straight, in fact, the 350 and 400 turbo trans will bolt all the the way from a 250 in line 6 to the 454. as far as the fly wheel, its balanced to the engine, thats why unless it damaged you dont replace them when you replace a tranny. Just run the flywheel that goes with the engine you change to.

43 people found this helpful.
1,160

Can I pull out of 350 and bolt in a 454 in a 1975 Chevy truck

116 people found this helpful.
1,620

I have a 1993 Chevy 1500 with a 350. What will I have to change/do to fit a 454 .

162 people found this helpful.
450

I have a 1983 chevy 1500 pickup with a 305 and I want to put a 93 350 engine in it, will it fit?

45 people found this helpful.

A turbo 350 trans won't last long bolted up to a big block.

18 people found this helpful.
61,205

Grahajad, yes a 350 will bolt in place of a 305

13 people found this helpful.
510

Just did a 454 swap in a 88 1500 4x4 and I'm looking to put a 5 speed in it any ideas on trans and transfer case I would need for this to be accomplished?

51 people found this helpful.
590

Will a 97 Vortech 454 pulled up to a turbo 400 and trans ?

31 people found this helpful.
590

Will a 97 Vortech 454 bolt up to a older turbo 400 and if so which flexplate will Bolt up to the Vortech is the converter holes the same ?

27 people found this helpful.
280

Hi guys, Is that possible? To put 454 crate engine on 79 chevy truck K20 4*4 has a 400 engine 6.6L!

28 people found this helpful.
450

i have a 73 blazer with 350 but removing and putting a 454 big block will have any problems

45 people found this helpful.
290

I have a 94 gmc k1500 with a 350 and a 460le trans, can I get a 454 HO and swap it?

29 people found this helpful.
150

big block chev's use a different bell housing then the small block but yes all chev 6 and small blocks use the same bell housing, and all the big blocks use the same bell housing,, but small and big blocks are not interchangeable,, as for your front end, if its a stock 454, it will handle the the weight , theres no change over.. if you wanna do it up,, then your gonna need some frame work at the min

15 people found this helpful.
300

Can I raplace a 1992 454 with a 1986 454 Chevy engine without much modification?

30 people found this helpful.
270

I have a 1979 c10 with the original 305 v8, I also have a 454 bored out to a 468 and have never done an engine swap before. I was wondering what type of transmission will hold the power and what other modifications will need to be done to install. Thank you

27 people found this helpful.
90

Just to clarify something small V6 2.8L is different bell housing size and shape and bolt pattern. BBC AND SBS bell housing and bolt pattern same.

9 people found this helpful.
500

I have a 1989 Chevy Silverado 2500 with a 350, I have a 454 out of an older 3500 is it an easy swap or not worth it?

50 people found this helpful.
300

I have a 1966 Impala and I want to swap out the old 283 and put in a 454 3 speed auto trans. What kind of changes, like the drive shaft or will everything fit? Please help, thank you.

30 people found this helpful.
90

89 Silverado c1500 pickup will the 454 tbi setup work in it curious of a motor swap

9 people found this helpful.
90

Yes small block and. Big block Chevrolet bolt patterns are the same trans and motors are interchangable

9 people found this helpful.
220

HI i have a 1996 gmc yukon wanna swap for a 454 8 will it fit on and bolt on the 41l60 trans with out many mods thanks tom

22 people found this helpful.
40

03 ChevySTen, cab mounts rusted on frame to cab. Would big bolts & washers work to keep the cab & frame connected??

4 people found this helpful.
100

i want to replace a 348 4 speed in my 59 impala to a 502 and reuse the 4speed and bellhousing ,will everything bolt up? How about the W block Exhaust Manifolds??

10 people found this helpful.
20

I have a 1988 K1500 5 lug and was wondering if I could swap my 350 with a 400?

2 people found this helpful.
190

I have a 1998 chevy truck with a vortex 350 .. it spun a bearing .. two ideas im Thinking of and im.looking for some input .. I have a nice 350 carburated motor and I also have a injected 454 out of a 92 pickup .. does any one know if the computer from the 350 will work on the 454 ? If it won't I'm going to the carb engine . Thanks

19 people found this helpful.
10

I forgot to mention it's a 94 silverado z71 4×4. It has a 5.7 in it now

1 people found this helpful.
20

Wily 227 go into 89 Chevy one has a 4 speed yranny other was a v6 tranny 5 speed

2 people found this helpful.
100

I have a 94 4.3 2wd c1500. I was wondering if anyone can help me out. I also have a c3500 with a 454 tbi. Will the 454 go in my c1500? Do I need to change the Transmission? Please help with what ever info you have to share. Thanks

10 people found this helpful.
20

Except for a 1960-62 235 apache 10. It is different tigoda answered 2 years ago big block chev's use a different bell housing then the small block but yes all chev 6 and small blocks use the same bell housing, and all the big blocks use the same bell housing,, but small and big blocks are not interchangeable,, as for your front end, if its a stock 454, it will handle the the weight , theres no change over.. if you wanna do it up,, then your gonna need some frame work at the min

2 people found this helpful.
30

I swapped a 454 in place of a 283 on my 1964 Chevele malibu . Other than a little stiffer springs it was perfect . So, I guess all your trucks should be OK . And if you use alum heads and intake, you are only adding about 150 lbs . Nobody worries about a snow plow !

3 people found this helpful.
30

A 5 lug standard brake 1500 will be just fine , all Chevy's from a straight 6- 4.3 V6 including all small and big block are the same ! All manual shifts will work even a 2.2 S-10 trans ( use Camaro V8 Bell housing) . The only exception is a 2.8 V6 it shares a 3800 Buick and Cadillac bolt pattern , LS type engines even use the same bolt pattern they have to use a specific flywheel The big block will be fine with any GM transmission unless you are going drag racing or driving rough, no frame mods are necessary just motor mounts and stands... and a big block radiator, good luck

3 people found this helpful.

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