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head gasket issue
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Topic: head gasket issue (Read 1619 times)
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fomocoloco
Jr. Member
Posts: 68
head gasket issue
«
on:
July 19, 2019, 07:11:31 AM »
i recently had my 428 C7MEA block bored and square decked. i installed the rods and pistons yesterday. crankshaft is 1U and the rods are C7AE and the pistons are trw 2245. the pistons are proud close to .010. what kind of issues am i going to have in regards to pistons to valve clearance. will that issue be heightened by using a pair of CJ heads that have been planed .020 or so? Are cometic head gaskets going to be required or some other work around? would i be better off using a pair of edelbrock or BBM heads? thanks.
jim oberg
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9 65-72 f100 sb trucks 6 428's 1 460 2 521 strokers
1 66 f100 lb ranger
3 67-75 f350
numerous parts vehicles and parts
RustyCrankshaft
Sr. Member
Posts: 490
Re: head gasket issue
«
Reply #1 on:
July 19, 2019, 09:21:40 PM »
What specs are the cam?
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fomocoloco
Jr. Member
Posts: 68
Re: head gasket issue
«
Reply #2 on:
July 20, 2019, 05:44:59 AM »
haven't bought one yet. i will probably buy some vanilla flavored comp cam such as 5.16 or 5.33 lift or so or maybe a 282 solid lifter cam. no hot rod. very mild. thanks.
jim oberg
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9 65-72 f100 sb trucks 6 428's 1 460 2 521 strokers
1 66 f100 lb ranger
3 67-75 f350
numerous parts vehicles and parts
Barry_R
Hero Member
Posts: 1918
Re: head gasket issue
«
Reply #3 on:
July 20, 2019, 06:12:27 AM »
A set of thicker Cometic or regular passenger car Fel-Pro head gaskets (not performance ones) and you are all set. That mild a cam will not have any issues.
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My427stang
Hero Member
Posts: 3937
Re: head gasket issue
«
Reply #4 on:
July 20, 2019, 08:26:55 PM »
On street motors I like them proud, lets me use the engine kit 8554. In fact, the 461 I just dyno'd was .005 proud and my own 461 is .010. Works great with street builds
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---------------------------------
Ross
Bullock's Power Service, LLC
- 70 Fastback Mustang, 489 cid FE, Victor, SEFI, Erson SFT cam, TKO-600 5 speed, 4.11 9 inch.
- 71 F100 shortbed 4x4, 461 cid FE, headers, Victor Pro-flo EFI, Comp Custom HFT cam, 3.50 9 inch
fomocoloco
Jr. Member
Posts: 68
Re: head gasket issue
«
Reply #5 on:
July 21, 2019, 07:11:52 AM »
i was just concerned with piston valve contact after removing that much material from the block and then using heads that had been planed. whose engine kit was the one that use mentioned. at what point in cam lift does the piston/valve issue come into play? i would like to use the CJ heads but they have only a half of thumbprint left. thanks a bunch.
jim oberg
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9 65-72 f100 sb trucks 6 428's 1 460 2 521 strokers
1 66 f100 lb ranger
3 67-75 f350
numerous parts vehicles and parts
Joe-JDC
Hero Member
Posts: 1492
Truth stands on its own merit.
Re: head gasket issue
«
Reply #6 on:
July 21, 2019, 10:34:30 AM »
Just as long as you have a minimum of .050" compressed head gasket thickness, minus the +.010" giving you a final clearance of .040", you are good to go. Start with a gasket that has at least .050" listed as the compressed thickness. Joe-JDC
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Joe-JDC '70GT-500
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head gasket issue