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small block questions #1826702
05/14/15 05:05 PM
05/14/15 05:05 PM
Joined: Mar 2005
Posts: 3,053
Central NC
gch Offline OP
master
gch  Offline OP
master

Joined: Mar 2005
Posts: 3,053
Central NC
I am about to switch my 318 to a 360 in my 1987 D150.I have a few questions.

Run the stock 84 heads(reman motor) or use the 302's from the 318 for more compression/better chamber?I would use the larger intake valve if not equipped.

What is needed for swapping a hyd roller into the 84 block?Is it as expensive to convert as a big block?

I have other questions but will make new threads so I don't have one giant muddled thread.
Thanks in advance.

Re: small block questions [Re: gch] #1826764
05/14/15 06:31 PM
05/14/15 06:31 PM
Joined: Nov 2003
Posts: 35,964
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
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Joined: Nov 2003
Posts: 35,964
Lincoln Nebraska
(1) I'd go with the 302's home ported or even better would be some mags. (2) I ain't up on them. EDIT better even yet would be to build a quench motor (yourself or a skilled friend) plus reman quality can be crap

Last edited by RapidRobert; 05/14/15 06:33 PM.

live every 24 hour block of time like it's your last day on earth
Re: small block questions [Re: gch] #1826894
05/14/15 09:48 PM
05/14/15 09:48 PM
Joined: Mar 2005
Posts: 3,053
Central NC
gch Offline OP
master
gch  Offline OP
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Joined: Mar 2005
Posts: 3,053
Central NC
For the price I am getting it for it doesn't make sense to buy a used motor with high miles.I have a local machinist who will strip it and check it out for peanuts.

This is somewhat of a budget(lol) build.Already picked up some coated headers for a good deal and got an aluminum intake for free.

Cam will be my next decision.I would love to go hyd roller if all the 318 stuff would swap over and all I had to do was buy a cam.

Re: small block questions [Re: gch] #1826898
05/14/15 09:50 PM
05/14/15 09:50 PM
Joined: Jan 2003
Posts: 1,239
Columbus, GA
Michael Ecks Offline
pro stock
Michael Ecks  Offline
pro stock

Joined: Jan 2003
Posts: 1,239
Columbus, GA
Given two bad choices use the 302 heads, they are closed chamber so you could use quench pistons with them. Both the 84 heads and the later 302 will have smaller (273-318) intake ports and either will be a bottle neck in 360's breathing without a lot of porting work.

Yes, a hydraulic roller in an 84 360 block will be just as expensive as a big block.

Since you are interested in better heads and a roller cam, have you looked into finding a 5.9 magnum engine? Good flowing closed chamber heads, less expensive roller cam option since the factory roller parts work fine for all but high rev engines.


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