400 Small Block Chevy




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331sbf: the bad thing about the 400 is the horrible rod ratio.they wear out too soon because of that(more wear on the thrust side of the pistons).the 327 was the best gen 1 sbc I think.they lasted longer and made good power.build a 400 with a 327 crank and have fun :) big bore short stroke just like the big boys(nascar engines).

burnnc10454: sounds poopy

toshamful: how much does a 400 coast

MrAbrink: now thats what Iam talking about!!! I want to build a torque monster out of a dart block 400, its going into a 77 3/4 4x4 . just takes money money money!!!

JackBuck44: Anybody know how one of these would work in a 1957 chevy belair?

xorog: If your motor was cold and you rode it to 3100 RPM you're an idiot. Nice motor but NEVER rev up a motor before its warmed up unless you feel like replacing rods every couple days

CliffordTransAm: Sounds EXACTLY like the 400 in my 85 Chevy.

dan thompson: @xorog Don't worry i warmed it up before i made the video. might be cutting out cause of the old gas.

i80steelers: junk that fuker

kendellewis95: How much you asking for it...

kain hall: OMG, i jsut found out my 1977 K10 has a 400SBC in it and not a 305 liek i was told...... cant wait to get her timmed right!!

PT37: what mileage you getiin

Sal Alaimo: @tkhaze11 Doesn't sound good, bro! #8-\

dan thompson: @MrVicarious666 that actually sounds like a great set up for a 400. we have another 400 we are building and planning on doing the exact same thing. just make sure you have the steam holes drilled in the heads before you have them put on your 400. the reason you need to have to drill steam holes is because the 400 has siamesed cylinders.

devenson1: i think the super cavi could take it!! lol

dan thompson: @PT37 never calculated but i imagine pretty poor since i have 4:10 gears

jamespbrownjr1: i have a 85 chevy truck whit 408 it run in the 10s

corey4406: What mufflers do you have on this thing?

SuperJohncenarko: @gokuthaman777 i hear ya. loose some horses too.

dan thompson: @corey4406 open headers

Jeremiah James: The big mouse is sick. take it to the doctor

Heath Sams: it it for sale

kain hall: @toshamful it depends...you cnat buy a 400 new as chevy only made them from 1970-80. best bet would to look at old trucks made before 1980...like K20's and heavy halfs. i will sell you my 400 for 2 grand! (evne if you offer me that i would not take it...love my 400) but, it really depends. if its all tricked out..a lot, if its a rust bucket...they might jsut give it to you!

HARO934: haha ig ot a 400 smallblock in my 79 scotsdale sound just like that haha

shaikhdishgan1: love 400 sb ,with allthe good and bad ,i love it it have the right size and can give big power torqe is it`s game i put one in buick skylark with mild cam head cleaning port matching modefied rochester it was so torqe that i nerly lost my old trans first testing

Sal Alaimo: You need to sleeve that motor and, like 331sbf says, throw a 327 or another smaller-cube crank in there. The motor sounds like it has a nice cam, but you can tell that the miss is there. You need fresh plugs, perhaps. You'll be fine with a little overhaul!

dan thompson: @Starkster50 yep it sure does. it had a bad plug. now she runs great

DORKYBA55ATTACK: I love the 400 small block, more than I love the 350. I don't understand why people buy a 400 small block, ditch the block and just keep the crank for a 383. No replacement for displacement!

tkhaze11: I have 1 of these bad boys in my 91cheyenne 5spd I love it I havnet learned not to clutch dump so I've got thru a driveshaft a rear dif and like 6u joints..desided to buy cheap autozone ujoints that's y I go thru them quick tried the tuff1s and that's how I bent the driveshaft in half and flipped the diferntial...lol to bad right now its only on 7pistons still has alota power tho :)

rjc862003: sounds like the timing might be off a touch

dan thompson: @shaikhdishgan1 yeah, after i put it in this truck i busted a u joint and then shortly after that the rear end went out of it.

zachmajic89: I like where you put your tach

Yoshumari: what a messy engine bay

dan thompson: @tkhaze11 yea i managed to take the rear end out only running on seven cylinders. turned out it was just bad plug. very good torque motor.

trunk516: i keep a roll of duct tape on my shifter too...LOLLL

Starkster50: It will run like a champ when it runs on all eight.

88TransAmGTA: how much HP you think it have P.S. what is the averge 400 smallblock HP

fox924: nice truck

mimixownzall: I just put one in my '77 K5 Blazer. I love it.

SuperJohncenarko: @i80steelers it has a carburetor genius, they are naturally aspirated, so the motor will quit once mabe, and it will lope then start to drown out. hes got nothing wrong with the motor we have one, it is perfectly fine. it usualy does that when it hasnt been started in a while
Rating:
400 small block chevy 3.7 out of 5

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400 small block chevy